Shareholder Report |
6 Months Ended |
|---|---|
|
Jun. 30, 2026
USD ($)
Holding
| |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Pacific Select Fund |
| Entity Central Index Key | 0000813900 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2026 |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| C000253928 | |
| Shareholder Report [Line Items] | |
| Fund Name | Bond Plus Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Bond Plus Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 33 |
| Expense Ratio, Percent | 0.66% |
| AssetsNet | $ 523,975,569 |
| Holdings Count | Holding | 416 |
| InvestmentCompanyPortfolioTurnover | 14.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000253927 | |
| Shareholder Report [Line Items] | |
| Fund Name | Bond Plus Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Bond Plus Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.46% |
| AssetsNet | $ 523,975,569 |
| Holdings Count | Holding | 416 |
| InvestmentCompanyPortfolioTurnover | 14.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000153750 | |
| Shareholder Report [Line Items] | |
| Fund Name | Core Income Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Core Income Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 38 |
| Expense Ratio, Percent | 0.76% |
| AssetsNet | $ 324,342,335 |
| Holdings Count | Holding | 377 |
| InvestmentCompanyPortfolioTurnover | 46.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000153751 | |
| Shareholder Report [Line Items] | |
| Fund Name | Core Income Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Core Income Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 28 |
| Expense Ratio, Percent | 0.56% |
| AssetsNet | $ 324,342,335 |
| Holdings Count | Holding | 377 |
| InvestmentCompanyPortfolioTurnover | 46.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078095 | |
| Shareholder Report [Line Items] | |
| Fund Name | Diversified Bond Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Diversified Bond Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 33 |
| Expense Ratio, Percent | 0.66% |
| AssetsNet | $ 1,339,500,786 |
| Holdings Count | Holding | 1,193 |
| InvestmentCompanyPortfolioTurnover | 77.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098966 | |
| Shareholder Report [Line Items] | |
| Fund Name | Diversified Bond Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Diversified Bond Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.46% |
| AssetsNet | $ 1,339,500,786 |
| Holdings Count | Holding | 1,193 |
| InvestmentCompanyPortfolioTurnover | 77.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000111629 | |
| Shareholder Report [Line Items] | |
| Fund Name | Floating Rate Income Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Floating Rate Income Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 47 |
| Expense Ratio, Percent | 0.94% |
| AssetsNet | $ 411,641,601 |
| Holdings Count | Holding | 128 |
| InvestmentCompanyPortfolioTurnover | 80.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000111630 | |
| Shareholder Report [Line Items] | |
| Fund Name | Floating Rate Income Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Floating Rate Income Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 37 |
| Expense Ratio, Percent | 0.74% |
| AssetsNet | $ 411,641,601 |
| Holdings Count | Holding | 128 |
| InvestmentCompanyPortfolioTurnover | 80.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078079 | |
| Shareholder Report [Line Items] | |
| Fund Name | High Yield Bond Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the High Yield Bond Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 33 |
| Expense Ratio, Percent | 0.65% |
| AssetsNet | $ 712,732,448 |
| Holdings Count | Holding | 236 |
| InvestmentCompanyPortfolioTurnover | 39.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098951 | |
| Shareholder Report [Line Items] | |
| Fund Name | High Yield Bond Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the High Yield Bond Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.45% |
| AssetsNet | $ 712,732,448 |
| Holdings Count | Holding | 236 |
| InvestmentCompanyPortfolioTurnover | 39.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078081 | |
| Shareholder Report [Line Items] | |
| Fund Name | Inflation Managed Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Inflation Managed Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 79 |
| Expense Ratio, Percent | 1.59% |
| AssetsNet | $ 401,967,771 |
| Holdings Count | Holding | 321 |
| InvestmentCompanyPortfolioTurnover | 72.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098953 | |
| Shareholder Report [Line Items] | |
| Fund Name | Inflation Managed Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Inflation Managed Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 69 |
| Expense Ratio, Percent | 1.39% |
| AssetsNet | $ 401,967,771 |
| Holdings Count | Holding | 321 |
| InvestmentCompanyPortfolioTurnover | 72.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000222604 | |
| Shareholder Report [Line Items] | |
| Fund Name | Intermediate Bond Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Intermediate Bond Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 32 |
| Expense Ratio, Percent | 0.64% |
| AssetsNet | $ 1,209,580,947 |
| Holdings Count | Holding | 707 |
| InvestmentCompanyPortfolioTurnover | 78.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000222605 | |
| Shareholder Report [Line Items] | |
| Fund Name | Intermediate Bond Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Intermediate Bond Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 22 |
| Expense Ratio, Percent | 0.44% |
| AssetsNet | $ 1,209,580,947 |
| Holdings Count | Holding | 707 |
| InvestmentCompanyPortfolioTurnover | 78.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078082 | |
| Shareholder Report [Line Items] | |
| Fund Name | Short Duration Bond Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Short Duration Bond Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 32 |
| Expense Ratio, Percent | 0.65% |
| AssetsNet | $ 1,118,123,942 |
| Holdings Count | Holding | 769 |
| InvestmentCompanyPortfolioTurnover | 62.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098954 | |
| Shareholder Report [Line Items] | |
| Fund Name | Short Duration Bond Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Short Duration Bond Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 22 |
| Expense Ratio, Percent | 0.45% |
| AssetsNet | $ 1,118,123,942 |
| Holdings Count | Holding | 769 |
| InvestmentCompanyPortfolioTurnover | 62.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078080 | |
| Shareholder Report [Line Items] | |
| Fund Name | Total Return Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Total Return Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 47 |
| Expense Ratio, Percent | 0.95% |
| AssetsNet | $ 1,558,849,654 |
| Holdings Count | Holding | 1,336 |
| InvestmentCompanyPortfolioTurnover | 244.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098952 | |
| Shareholder Report [Line Items] | |
| Fund Name | Total Return Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Total Return Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 37 |
| Expense Ratio, Percent | 0.75% |
| AssetsNet | $ 1,558,849,654 |
| Holdings Count | Holding | 1,336 |
| InvestmentCompanyPortfolioTurnover | 244.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000111627 | |
| Shareholder Report [Line Items] | |
| Fund Name | Emerging Markets Debt Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Emerging Markets Debt Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 54 |
| Expense Ratio, Percent | 1.07% |
| AssetsNet | $ 242,092,458 |
| Holdings Count | Holding | 234 |
| InvestmentCompanyPortfolioTurnover | 73.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000111628 | |
| Shareholder Report [Line Items] | |
| Fund Name | Emerging Markets Debt Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Emerging Markets Debt Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 44 |
| Expense Ratio, Percent | 0.87% |
| AssetsNet | $ 242,092,458 |
| Holdings Count | Holding | 234 |
| InvestmentCompanyPortfolioTurnover | 73.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000078089 | |
| Shareholder Report [Line Items] | |
| Fund Name | Dividend Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Dividend Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 46 |
| Expense Ratio, Percent | 0.88% |
| AssetsNet | $ 782,511,005 |
| Holdings Count | Holding | 97 |
| InvestmentCompanyPortfolioTurnover | 5.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098960 | |
| Shareholder Report [Line Items] | |
| Fund Name | Dividend Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Dividend Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 35 |
| Expense Ratio, Percent | 0.68% |
| AssetsNet | $ 782,511,005 |
| Holdings Count | Holding | 97 |
| InvestmentCompanyPortfolioTurnover | 5.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078115 | |
| Shareholder Report [Line Items] | |
| Fund Name | Equity Index Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Equity Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 15 |
| Expense Ratio, Percent | 0.28% |
| AssetsNet | $ 6,785,522,518 |
| Holdings Count | Holding | 508 |
| InvestmentCompanyPortfolioTurnover | 8.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098974 | |
| Shareholder Report [Line Items] | |
| Fund Name | Equity Index Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Equity Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 4 |
| Expense Ratio, Percent | 0.08% |
| AssetsNet | $ 6,785,522,518 |
| Holdings Count | Holding | 508 |
| InvestmentCompanyPortfolioTurnover | 8.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078104 | |
| Shareholder Report [Line Items] | |
| Fund Name | Focused Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Focused Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 49 |
| Expense Ratio, Percent | 0.96% |
| AssetsNet | $ 521,246,082 |
| Holdings Count | Holding | 39 |
| InvestmentCompanyPortfolioTurnover | 28.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098970 | |
| Shareholder Report [Line Items] | |
| Fund Name | Focused Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Focused Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 39 |
| Expense Ratio, Percent | 0.76% |
| AssetsNet | $ 521,246,082 |
| Holdings Count | Holding | 39 |
| InvestmentCompanyPortfolioTurnover | 28.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078093 | |
| Shareholder Report [Line Items] | |
| Fund Name | Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 40 |
| Expense Ratio, Percent | 0.79% |
| AssetsNet | $ 1,690,633,150 |
| Holdings Count | Holding | 79 |
| InvestmentCompanyPortfolioTurnover | 35.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098964 | |
| Shareholder Report [Line Items] | |
| Fund Name | Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 30 |
| Expense Ratio, Percent | 0.59% |
| AssetsNet | $ 1,690,633,150 |
| Holdings Count | Holding | 79 |
| InvestmentCompanyPortfolioTurnover | 35.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000226479 | |
| Shareholder Report [Line Items] | |
| Fund Name | Hedged Equity Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Hedged Equity Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 42 |
| Expense Ratio, Percent | 0.86% |
| AssetsNet | $ 457,784,181 |
| Holdings Count | Holding | 155 |
| InvestmentCompanyPortfolioTurnover | 14.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000226478 | |
| Shareholder Report [Line Items] | |
| Fund Name | Hedged Equity Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Hedged Equity Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 32 |
| Expense Ratio, Percent | 0.66% |
| AssetsNet | $ 457,784,181 |
| Holdings Count | Holding | 155 |
| InvestmentCompanyPortfolioTurnover | 14.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078077 | |
| Shareholder Report [Line Items] | |
| Fund Name | Large-Cap Core Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Large-Cap Core Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 35 |
| Expense Ratio, Percent | 0.69% |
| AssetsNet | $ 2,035,142,643 |
| Holdings Count | Holding | 67 |
| InvestmentCompanyPortfolioTurnover | 33.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098949 | |
| Shareholder Report [Line Items] | |
| Fund Name | Large-Cap Core Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Large-Cap Core Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 25 |
| Expense Ratio, Percent | 0.49% |
| AssetsNet | $ 2,035,142,643 |
| Holdings Count | Holding | 67 |
| InvestmentCompanyPortfolioTurnover | 33.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078072 | |
| Shareholder Report [Line Items] | |
| Fund Name | Large-Cap Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Large-Cap Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 45 |
| Expense Ratio, Percent | 0.87% |
| AssetsNet | $ 1,449,473,613 |
| Holdings Count | Holding | 123 |
| InvestmentCompanyPortfolioTurnover | 31.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098945 | |
| Shareholder Report [Line Items] | |
| Fund Name | Large-Cap Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Large-Cap Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 35 |
| Expense Ratio, Percent | 0.67% |
| AssetsNet | $ 1,449,473,613 |
| Holdings Count | Holding | 123 |
| InvestmentCompanyPortfolioTurnover | 31.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000253932 | |
| Shareholder Report [Line Items] | |
| Fund Name | Large-Cap Plus Bond Alpha Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Large-Cap Plus Bond Alpha Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 34 |
| Expense Ratio, Percent | 0.65% |
| AssetsNet | $ 1,139,702,470 |
| Holdings Count | Holding | 460 |
| InvestmentCompanyPortfolioTurnover | 19.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000253931 | |
| Shareholder Report [Line Items] | |
| Fund Name | Large-Cap Plus Bond Alpha Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Large-Cap Plus Bond Alpha Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.45% |
| AssetsNet | $ 1,139,702,470 |
| Holdings Count | Holding | 460 |
| InvestmentCompanyPortfolioTurnover | 19.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078083 | |
| Shareholder Report [Line Items] | |
| Fund Name | Large-Cap Value Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Large-Cap Value Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 45 |
| Expense Ratio, Percent | 0.84% |
| AssetsNet | $ 1,096,602,367 |
| Holdings Count | Holding | 90 |
| InvestmentCompanyPortfolioTurnover | 116.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098955 | |
| Shareholder Report [Line Items] | |
| Fund Name | Large-Cap Value Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Large-Cap Value Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 34 |
| Expense Ratio, Percent | 0.64% |
| AssetsNet | $ 1,096,602,367 |
| Holdings Count | Holding | 90 |
| InvestmentCompanyPortfolioTurnover | 116.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078086 | |
| Shareholder Report [Line Items] | |
| Fund Name | Mid-Cap Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Mid-Cap Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 46 |
| Expense Ratio, Percent | 0.90% |
| AssetsNet | $ 677,839,515 |
| Holdings Count | Holding | 129 |
| InvestmentCompanyPortfolioTurnover | 61.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098958 | |
| Shareholder Report [Line Items] | |
| Fund Name | Mid-Cap Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Mid-Cap Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 36 |
| Expense Ratio, Percent | 0.70% |
| AssetsNet | $ 677,839,515 |
| Holdings Count | Holding | 129 |
| InvestmentCompanyPortfolioTurnover | 61.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078113 | |
| Shareholder Report [Line Items] | |
| Fund Name | Mid-Cap Plus Bond Alpha Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Mid-Cap Plus Bond Alpha Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 35 |
| Expense Ratio, Percent | 0.65% |
| AssetsNet | $ 824,206,388 |
| Holdings Count | Holding | 446 |
| InvestmentCompanyPortfolioTurnover | 20.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098972 | |
| Shareholder Report [Line Items] | |
| Fund Name | Mid-Cap Plus Bond Alpha Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Mid-Cap Plus Bond Alpha Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 24 |
| Expense Ratio, Percent | 0.45% |
| AssetsNet | $ 824,206,388 |
| Holdings Count | Holding | 446 |
| InvestmentCompanyPortfolioTurnover | 20.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078098 | |
| Shareholder Report [Line Items] | |
| Fund Name | Mid-Cap Value Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Mid-Cap Value Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 49 |
| Expense Ratio, Percent | 0.94% |
| AssetsNet | $ 542,875,760 |
| Holdings Count | Holding | 138 |
| InvestmentCompanyPortfolioTurnover | 28.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098969 | |
| Shareholder Report [Line Items] | |
| Fund Name | Mid-Cap Value Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Mid-Cap Value Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 39 |
| Expense Ratio, Percent | 0.74% |
| AssetsNet | $ 542,875,760 |
| Holdings Count | Holding | 138 |
| InvestmentCompanyPortfolioTurnover | 28.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000253933 | |
| Shareholder Report [Line Items] | |
| Fund Name | QQQ Plus Bond Alpha Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the QQQ Plus Bond Alpha Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 35 |
| Expense Ratio, Percent | 0.64% |
| AssetsNet | $ 711,739,359 |
| Holdings Count | Holding | 437 |
| InvestmentCompanyPortfolioTurnover | 27.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000253934 | |
| Shareholder Report [Line Items] | |
| Fund Name | QQQ Plus Bond Alpha Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the QQQ Plus Bond Alpha Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 24 |
| Expense Ratio, Percent | 0.44% |
| AssetsNet | $ 711,739,359 |
| Holdings Count | Holding | 437 |
| InvestmentCompanyPortfolioTurnover | 27.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078087 | |
| Shareholder Report [Line Items] | |
| Fund Name | Small-Cap Equity Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Small-Cap Equity Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 50 |
| Expense Ratio, Percent | 0.92% |
| AssetsNet | $ 318,890,337 |
| Holdings Count | Holding | 1,433 |
| InvestmentCompanyPortfolioTurnover | 62.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098959 | |
| Shareholder Report [Line Items] | |
| Fund Name | Small-Cap Equity Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Small-Cap Equity Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 39 |
| Expense Ratio, Percent | 0.72% |
| AssetsNet | $ 318,890,337 |
| Holdings Count | Holding | 1,433 |
| InvestmentCompanyPortfolioTurnover | 62.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078074 | |
| Shareholder Report [Line Items] | |
| Fund Name | Small-Cap Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Small-Cap Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 48 |
| Expense Ratio, Percent | 0.84% |
| AssetsNet | $ 592,318,557 |
| Holdings Count | Holding | 124 |
| InvestmentCompanyPortfolioTurnover | 87.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098947 | |
| Shareholder Report [Line Items] | |
| Fund Name | Small-Cap Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Small-Cap Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 37 |
| Expense Ratio, Percent | 0.64% |
| AssetsNet | $ 592,318,557 |
| Holdings Count | Holding | 124 |
| InvestmentCompanyPortfolioTurnover | 87.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078116 | |
| Shareholder Report [Line Items] | |
| Fund Name | Small-Cap Index Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Small-Cap Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 31 |
| Expense Ratio, Percent | 0.56% |
| AssetsNet | $ 916,202,979 |
| Holdings Count | Holding | 1,999 |
| InvestmentCompanyPortfolioTurnover | 23.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098975 | |
| Shareholder Report [Line Items] | |
| Fund Name | Small-Cap Index Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Small-Cap Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 20 |
| Expense Ratio, Percent | 0.36% |
| AssetsNet | $ 916,202,979 |
| Holdings Count | Holding | 1,999 |
| InvestmentCompanyPortfolioTurnover | 23.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000253936 | |
| Shareholder Report [Line Items] | |
| Fund Name | Small-Cap Plus Bond Alpha Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Small-Cap Plus Bond Alpha Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 38 |
| Expense Ratio, Percent | 0.70% |
| AssetsNet | $ 241,179,018 |
| Holdings Count | Holding | 448 |
| InvestmentCompanyPortfolioTurnover | 15.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000253935 | |
| Shareholder Report [Line Items] | |
| Fund Name | Small-Cap Plus Bond Alpha Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Small-Cap Plus Bond Alpha Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 28 |
| Expense Ratio, Percent | 0.50% |
| AssetsNet | $ 241,179,018 |
| Holdings Count | Holding | 448 |
| InvestmentCompanyPortfolioTurnover | 15.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078075 | |
| Shareholder Report [Line Items] | |
| Fund Name | Small-Cap Value Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Small-Cap Value Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 46 |
| Expense Ratio, Percent | 0.83% |
| AssetsNet | $ 437,752,998 |
| Holdings Count | Holding | 607 |
| InvestmentCompanyPortfolioTurnover | 19.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098948 | |
| Shareholder Report [Line Items] | |
| Fund Name | Small-Cap Value Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Small-Cap Value Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 35 |
| Expense Ratio, Percent | 0.63% |
| AssetsNet | $ 437,752,998 |
| Holdings Count | Holding | 607 |
| InvestmentCompanyPortfolioTurnover | 19.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078084 | |
| Shareholder Report [Line Items] | |
| Fund Name | Value Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Value Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 45 |
| Expense Ratio, Percent | 0.86% |
| AssetsNet | $ 1,278,887,553 |
| Holdings Count | Holding | 91 |
| InvestmentCompanyPortfolioTurnover | 26.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098956 | |
| Shareholder Report [Line Items] | |
| Fund Name | Value Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Value Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 34 |
| Expense Ratio, Percent | 0.66% |
| AssetsNet | $ 1,278,887,553 |
| Holdings Count | Holding | 91 |
| InvestmentCompanyPortfolioTurnover | 26.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000125302 | |
| Shareholder Report [Line Items] | |
| Fund Name | Value Advantage Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Value Advantage Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 46 |
| Expense Ratio, Percent | 0.89% |
| AssetsNet | $ 408,564,036 |
| Holdings Count | Holding | 121 |
| InvestmentCompanyPortfolioTurnover | 27.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000125303 | |
| Shareholder Report [Line Items] | |
| Fund Name | Value Advantage Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Value Advantage Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 36 |
| Expense Ratio, Percent | 0.69% |
| AssetsNet | $ 408,564,036 |
| Holdings Count | Holding | 121 |
| InvestmentCompanyPortfolioTurnover | 27.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078078 | |
| Shareholder Report [Line Items] | |
| Fund Name | Emerging Markets Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Emerging Markets Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 59 |
| Expense Ratio, Percent | 1.05% |
| AssetsNet | $ 1,010,492,034 |
| Holdings Count | Holding | 255 |
| InvestmentCompanyPortfolioTurnover | 76.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000098950 | |
| Shareholder Report [Line Items] | |
| Fund Name | Emerging Markets Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Emerging Markets Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 48 |
| Expense Ratio, Percent | 0.85% |
| AssetsNet | $ 1,010,492,034 |
| Holdings Count | Holding | 255 |
| InvestmentCompanyPortfolioTurnover | 76.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000253929 | |
| Shareholder Report [Line Items] | |
| Fund Name | International Equity Plus Bond Alpha Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the International Equity Plus Bond Alpha Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 34 |
| Expense Ratio, Percent | 0.65% |
| AssetsNet | $ 547,958,453 |
| Holdings Count | Holding | 460 |
| InvestmentCompanyPortfolioTurnover | 17.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000253930 | |
| Shareholder Report [Line Items] | |
| Fund Name | International Equity Plus Bond Alpha Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the International Equity Plus Bond Alpha Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.45% |
| AssetsNet | $ 547,958,453 |
| Holdings Count | Holding | 460 |
| InvestmentCompanyPortfolioTurnover | 17.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000230801 | |
| Shareholder Report [Line Items] | |
| Fund Name | International Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the International Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 50 |
| Expense Ratio, Percent | 0.98% |
| AssetsNet | $ 725,873,137 |
| Holdings Count | Holding | 64 |
| InvestmentCompanyPortfolioTurnover | 50.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000230800 | |
| Shareholder Report [Line Items] | |
| Fund Name | International Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the International Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 39 |
| Expense Ratio, Percent | 0.77% |
| AssetsNet | $ 725,873,137 |
| Holdings Count | Holding | 64 |
| InvestmentCompanyPortfolioTurnover | 50.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000078073 | |
| Shareholder Report [Line Items] | |
| Fund Name | International Large-Cap Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the International Large-Cap Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 50 |
| Expense Ratio, Percent | 1.00% |
| AssetsNet | $ 943,254,645 |
| Holdings Count | Holding | 76 |
| InvestmentCompanyPortfolioTurnover | 13.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000098946 | |
| Shareholder Report [Line Items] | |
| Fund Name | International Large-Cap Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the International Large-Cap Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 40 |
| Expense Ratio, Percent | 0.80% |
| AssetsNet | $ 943,254,645 |
| Holdings Count | Holding | 76 |
| InvestmentCompanyPortfolioTurnover | 13.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000078094 | |
| Shareholder Report [Line Items] | |
| Fund Name | International Small-Cap Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the International Small-Cap Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 59 |
| Expense Ratio, Percent | 1.13% |
| AssetsNet | $ 267,331,237 |
| Holdings Count | Holding | 152 |
| InvestmentCompanyPortfolioTurnover | 24.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000098965 | |
| Shareholder Report [Line Items] | |
| Fund Name | International Small-Cap Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the International Small-Cap Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 48 |
| Expense Ratio, Percent | 0.93% |
| AssetsNet | $ 267,331,237 |
| Holdings Count | Holding | 152 |
| InvestmentCompanyPortfolioTurnover | 24.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000078114 | |
| Shareholder Report [Line Items] | |
| Fund Name | International Value Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the International Value Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 48 |
| Expense Ratio, Percent | 0.91% |
| AssetsNet | $ 1,168,804,339 |
| Holdings Count | Holding | 154 |
| InvestmentCompanyPortfolioTurnover | 26.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000098973 | |
| Shareholder Report [Line Items] | |
| Fund Name | International Value Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the International Value Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 37 |
| Expense Ratio, Percent | 0.71% |
| AssetsNet | $ 1,168,804,339 |
| Holdings Count | Holding | 154 |
| InvestmentCompanyPortfolioTurnover | 26.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000078112 | |
| Shareholder Report [Line Items] | |
| Fund Name | Health Sciences Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Health Sciences Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 58 |
| Expense Ratio, Percent | 1.15% |
| AssetsNet | $ 381,258,077 |
| Holdings Count | Holding | 136 |
| InvestmentCompanyPortfolioTurnover | 22.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098971 | |
| Shareholder Report [Line Items] | |
| Fund Name | Health Sciences Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Health Sciences Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 48 |
| Expense Ratio, Percent | 0.95% |
| AssetsNet | $ 381,258,077 |
| Holdings Count | Holding | 136 |
| InvestmentCompanyPortfolioTurnover | 22.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078085 | |
| Shareholder Report [Line Items] | |
| Fund Name | Real Estate Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Real Estate Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 54 |
| Expense Ratio, Percent | 1.00% |
| AssetsNet | $ 345,322,794 |
| Holdings Count | Holding | 44 |
| InvestmentCompanyPortfolioTurnover | 13.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098957 | |
| Shareholder Report [Line Items] | |
| Fund Name | Real Estate Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Real Estate Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 43 |
| Expense Ratio, Percent | 0.80% |
| AssetsNet | $ 345,322,794 |
| Holdings Count | Holding | 44 |
| InvestmentCompanyPortfolioTurnover | 13.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078092 | |
| Shareholder Report [Line Items] | |
| Fund Name | Technology Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Technology Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 60 |
| Expense Ratio, Percent | 1.03% |
| AssetsNet | $ 652,221,275 |
| Holdings Count | Holding | 42 |
| InvestmentCompanyPortfolioTurnover | 31.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098963 | |
| Shareholder Report [Line Items] | |
| Fund Name | Technology Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Technology Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 49 |
| Expense Ratio, Percent | 0.83% |
| AssetsNet | $ 652,221,275 |
| Holdings Count | Holding | 42 |
| InvestmentCompanyPortfolioTurnover | 31.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000264374 | |
| Shareholder Report [Line Items] | |
| Fund Name | Capital Appreciation Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Capital Appreciation Portfolio (the "Fund") for the period of January 1, 2026 (Fund Inception) to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 50 |
| Expense Ratio, Percent | 0.99% |
| AssetsNet | $ 151,595,959 |
| Holdings Count | Holding | 281 |
| InvestmentCompanyPortfolioTurnover | 77.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000264375 | |
| Shareholder Report [Line Items] | |
| Fund Name | Capital Appreciation Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Capital Appreciation Portfolio (the "Fund") for the period of January 1, 2026 (Fund Inception) to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 40 |
| Expense Ratio, Percent | 0.79% |
| AssetsNet | $ 151,595,959 |
| Holdings Count | Holding | 281 |
| InvestmentCompanyPortfolioTurnover | 77.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000167976 | |
| Shareholder Report [Line Items] | |
| Fund Name | PSF Avantis Balanced Allocation Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PSF Avantis Balanced Allocation Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.44% |
| AssetsNet | $ 313,346,780 |
| Holdings Count | Holding | 15 |
| InvestmentCompanyPortfolioTurnover | 25.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000211249 | |
| Shareholder Report [Line Items] | |
| Fund Name | PSF Avantis Balanced Allocation Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PSF Avantis Balanced Allocation Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 12 |
| Expense Ratio, Percent | 0.24% |
| AssetsNet | $ 313,346,780 |
| Holdings Count | Holding | 15 |
| InvestmentCompanyPortfolioTurnover | 25.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078100 | |
| Shareholder Report [Line Items] | |
| Fund Name | Pacific Dynamix - Conservative Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Pacific Dynamix - Conservative Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 19 |
| Expense Ratio, Percent | 0.38% |
| AssetsNet | $ 467,877,677 |
| Holdings Count | Holding | 10 |
| InvestmentCompanyPortfolioTurnover | 9.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000211240 | |
| Shareholder Report [Line Items] | |
| Fund Name | Pacific Dynamix - Conservative Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Pacific Dynamix - Conservative Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 9 |
| Expense Ratio, Percent | 0.18% |
| AssetsNet | $ 467,877,677 |
| Holdings Count | Holding | 10 |
| InvestmentCompanyPortfolioTurnover | 9.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078101 | |
| Shareholder Report [Line Items] | |
| Fund Name | Pacific Dynamix - Moderate Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Pacific Dynamix - Moderate Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 20 |
| Expense Ratio, Percent | 0.38% |
| AssetsNet | $ 2,575,242,641 |
| Holdings Count | Holding | 10 |
| InvestmentCompanyPortfolioTurnover | 7.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000211241 | |
| Shareholder Report [Line Items] | |
| Fund Name | Pacific Dynamix - Moderate Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Pacific Dynamix - Moderate Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 9 |
| Expense Ratio, Percent | 0.18% |
| AssetsNet | $ 2,575,242,641 |
| Holdings Count | Holding | 10 |
| InvestmentCompanyPortfolioTurnover | 7.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078102 | |
| Shareholder Report [Line Items] | |
| Fund Name | Pacific Dynamix - Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Pacific Dynamix - Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 20 |
| Expense Ratio, Percent | 0.38% |
| AssetsNet | $ 2,035,467,004 |
| Holdings Count | Holding | 10 |
| InvestmentCompanyPortfolioTurnover | 10.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000211242 | |
| Shareholder Report [Line Items] | |
| Fund Name | Pacific Dynamix - Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Pacific Dynamix - Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 9 |
| Expense Ratio, Percent | 0.18% |
| AssetsNet | $ 2,035,467,004 |
| Holdings Count | Holding | 10 |
| InvestmentCompanyPortfolioTurnover | 10.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000248882 | |
| Shareholder Report [Line Items] | |
| Fund Name | Pacific Dynamix - Aggressive Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Pacific Dynamix - Aggressive Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 20 |
| Expense Ratio, Percent | 0.38% |
| AssetsNet | $ 36,461,744 |
| Holdings Count | Holding | 10 |
| InvestmentCompanyPortfolioTurnover | 18.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000248883 | |
| Shareholder Report [Line Items] | |
| Fund Name | Pacific Dynamix - Aggressive Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Pacific Dynamix - Aggressive Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 9 |
| Expense Ratio, Percent | 0.18% |
| AssetsNet | $ 36,461,744 |
| Holdings Count | Holding | 10 |
| InvestmentCompanyPortfolioTurnover | 18.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098939 | |
| Shareholder Report [Line Items] | |
| Fund Name | Portfolio Optimization Conservative Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Portfolio Optimization Conservative Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 17 |
| Expense Ratio, Percent | 0.33% |
| AssetsNet | $ 880,460,108 |
| Holdings Count | Holding | 34 |
| InvestmentCompanyPortfolioTurnover | 26.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000211243 | |
| Shareholder Report [Line Items] | |
| Fund Name | Portfolio Optimization Conservative Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Portfolio Optimization Conservative Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.13% |
| AssetsNet | $ 880,460,108 |
| Holdings Count | Holding | 34 |
| InvestmentCompanyPortfolioTurnover | 26.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098940 | |
| Shareholder Report [Line Items] | |
| Fund Name | Portfolio Optimization Moderate-Conservative Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Portfolio Optimization Moderate-Conservative Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 16 |
| Expense Ratio, Percent | 0.32% |
| AssetsNet | $ 1,308,680,328 |
| Holdings Count | Holding | 35 |
| InvestmentCompanyPortfolioTurnover | 23.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000211244 | |
| Shareholder Report [Line Items] | |
| Fund Name | Portfolio Optimization Moderate-Conservative Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Portfolio Optimization Moderate-Conservative Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 6 |
| Expense Ratio, Percent | 0.12% |
| AssetsNet | $ 1,308,680,328 |
| Holdings Count | Holding | 35 |
| InvestmentCompanyPortfolioTurnover | 23.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098941 | |
| Shareholder Report [Line Items] | |
| Fund Name | Portfolio Optimization Moderate Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Portfolio Optimization Moderate Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 16 |
| Expense Ratio, Percent | 0.32% |
| AssetsNet | $ 6,387,935,447 |
| Holdings Count | Holding | 35 |
| InvestmentCompanyPortfolioTurnover | 23.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000211245 | |
| Shareholder Report [Line Items] | |
| Fund Name | Portfolio Optimization Moderate Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Portfolio Optimization Moderate Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 6 |
| Expense Ratio, Percent | 0.12% |
| AssetsNet | $ 6,387,935,447 |
| Holdings Count | Holding | 35 |
| InvestmentCompanyPortfolioTurnover | 23.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098942 | |
| Shareholder Report [Line Items] | |
| Fund Name | Portfolio Optimization Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Portfolio Optimization Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 17 |
| Expense Ratio, Percent | 0.32% |
| AssetsNet | $ 6,275,159,588 |
| Holdings Count | Holding | 35 |
| InvestmentCompanyPortfolioTurnover | 22.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000211246 | |
| Shareholder Report [Line Items] | |
| Fund Name | Portfolio Optimization Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Portfolio Optimization Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 6 |
| Expense Ratio, Percent | 0.12% |
| AssetsNet | $ 6,275,159,588 |
| Holdings Count | Holding | 35 |
| InvestmentCompanyPortfolioTurnover | 22.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000098943 | |
| Shareholder Report [Line Items] | |
| Fund Name | Portfolio Optimization Aggressive-Growth Portfolio |
| Class Name | Class I |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Portfolio Optimization Aggressive-Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 17 |
| Expense Ratio, Percent | 0.32% |
| AssetsNet | $ 1,669,578,947 |
| Holdings Count | Holding | 35 |
| InvestmentCompanyPortfolioTurnover | 23.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000211247 | |
| Shareholder Report [Line Items] | |
| Fund Name | Portfolio Optimization Aggressive-Growth Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Portfolio Optimization Aggressive-Growth Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 6 |
| Expense Ratio, Percent | 0.12% |
| AssetsNet | $ 1,669,578,947 |
| Holdings Count | Holding | 35 |
| InvestmentCompanyPortfolioTurnover | 23.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000139083 | |
| Shareholder Report [Line Items] | |
| Fund Name | PD 1-3 Year Corporate Bond Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PD 1-3 Year Corporate Bond Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 12 |
| Expense Ratio, Percent | 0.24% |
| AssetsNet | $ 187,787,982 |
| Holdings Count | Holding | 647 |
| InvestmentCompanyPortfolioTurnover | 28.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078108 | |
| Shareholder Report [Line Items] | |
| Fund Name | PD Aggregate Bond Index Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PD Aggregate Bond Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 10 |
| Expense Ratio, Percent | 0.21% |
| AssetsNet | $ 1,099,076,398 |
| Holdings Count | Holding | 3,812 |
| InvestmentCompanyPortfolioTurnover | 22.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078109 | |
| Shareholder Report [Line Items] | |
| Fund Name | PD High Yield Bond Market Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PD High Yield Bond Market Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 14 |
| Expense Ratio, Percent | 0.28% |
| AssetsNet | $ 279,717,145 |
| Holdings Count | Holding | 1,696 |
| InvestmentCompanyPortfolioTurnover | 30.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078103 | |
| Shareholder Report [Line Items] | |
| Fund Name | PD Large-Cap Growth Index Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PD Large-Cap Growth Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 9 |
| Expense Ratio, Percent | 0.17% |
| AssetsNet | $ 1,087,818,244 |
| Holdings Count | Holding | 360 |
| InvestmentCompanyPortfolioTurnover | 34.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078105 | |
| Shareholder Report [Line Items] | |
| Fund Name | PD Large-Cap Value Index Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PD Large-Cap Value Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 10 |
| Expense Ratio, Percent | 0.18% |
| AssetsNet | $ 984,050,875 |
| Holdings Count | Holding | 868 |
| InvestmentCompanyPortfolioTurnover | 23.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000221970 | |
| Shareholder Report [Line Items] | |
| Fund Name | PD Mid-Cap Index Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PD Mid-Cap Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 11 |
| Expense Ratio, Percent | 0.20% |
| AssetsNet | $ 314,483,534 |
| Holdings Count | Holding | 831 |
| InvestmentCompanyPortfolioTurnover | 25.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078107 | |
| Shareholder Report [Line Items] | |
| Fund Name | PD Small-Cap Growth Index Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PD Small-Cap Growth Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 12 |
| Expense Ratio, Percent | 0.22% |
| AssetsNet | $ 151,276,749 |
| Holdings Count | Holding | 1,092 |
| InvestmentCompanyPortfolioTurnover | 73.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078106 | |
| Shareholder Report [Line Items] | |
| Fund Name | PD Small-Cap Value Index Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PD Small-Cap Value Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 13 |
| Expense Ratio, Percent | 0.24% |
| AssetsNet | $ 141,158,495 |
| Holdings Count | Holding | 1,382 |
| InvestmentCompanyPortfolioTurnover | 39.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() |
| C000078111 | |
| Shareholder Report [Line Items] | |
| Fund Name | PD Emerging Markets Index Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PD Emerging Markets Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 21 |
| Expense Ratio, Percent | 0.38% |
| AssetsNet | $ 172,240,302 |
| Holdings Count | Holding | 1,225 |
| InvestmentCompanyPortfolioTurnover | 16.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |
| C000078110 | |
| Shareholder Report [Line Items] | |
| Fund Name | PD International Large-Cap Index Portfolio |
| Class Name | Class P |
| No Trading Symbol [Flag] | true |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the PD International Large-Cap Index Portfolio (the "Fund") for the period of January 1, 2026 to June 30, 2026. |
| Additional Information [Text Block] | You can find additional information about the Fund at http://www.pacificlife.com/pacificselectfund.html. You can also request this information free of charge by contacting us toll-free at 800-722-4448 or sending an email request to PSFdocumentrequest@pacificlife.com. |
| Additional Information Phone Number | 800-722-4448 |
| Additional Information Email | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">PSFdocumentrequest@pacificlife.com</span> |
| Additional Information Website | <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">http://www.pacificlife.com/pacificselectfund.html</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months?(based on a hypothetical $10,000 investment; costs paid as a percentage of a $10,000 investment is annualized) |
| Expenses Paid, Amount | $ 12 |
| Expense Ratio, Percent | 0.23% |
| AssetsNet | $ 699,501,203 |
| Holdings Count | Holding | 318 |
| InvestmentCompanyPortfolioTurnover | 5.00% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics as of June 30, 2026
Returns provided do not reflect fees and expenses of any variable annuity contract or variable life insurance policy; if these fees and expenses were included, the returns shown would be lower. |
| Holdings [Text Block] | Fund's Composition (% of Total Net Assets)![]() Top 5 Countries of Risk (% of Total Net Assets)![]() |