Shareholder Report |
12 Months Ended | ||||||||||||||||||||
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Dec. 31, 2025
USD ($)
Holding
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| Shareholder Report [Line Items] | |||||||||||||||||||||
| Document Type | N-CSR | ||||||||||||||||||||
| Amendment Flag | false | ||||||||||||||||||||
| Registrant Name | Schwab Annuity Portfolios | ||||||||||||||||||||
| Entity Central Index Key | 0000918266 | ||||||||||||||||||||
| Entity Investment Company Type | N-1A | ||||||||||||||||||||
| Document Period End Date | Dec. 31, 2025 | ||||||||||||||||||||
| Schwab Government Money Market Portfolio | |||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||
| Fund Name | Schwab Government Money Market Portfolio | ||||||||||||||||||||
| Class Name | Schwab Government Money Market Portfolio | ||||||||||||||||||||
| Trading Symbol | SWPXX | ||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus . You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com .
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| Additional Information Phone Number | 1-866-414-6349 | ||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | ||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | ||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
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| Expenses Paid, Amount | $ 28 | ||||||||||||||||||||
| Expense Ratio, Percent | 0.27% | ||||||||||||||||||||
| Net Assets | $ 261,000,000 | ||||||||||||||||||||
| Holdings Count | Holding | 278 | ||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 510,547 | ||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Portfolio Composition by Security Type % of Investments ![]() Portfolio Composition By Effective Maturity % of Investments ![]() Portfolio holdings may have changed since the report date. 1 Less than 0.05% 2 Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Schwab S&P 500 Index Portfolio | |||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||
| Fund Name | Schwab S&P 500 Index Portfolio | ||||||||||||||||||||
| Class Name | Schwab S&P 500 Index Portfolio | ||||||||||||||||||||
| Trading Symbol | SWP1Z | ||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus . You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com .
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| Additional Information Phone Number | 1-866-414-6349 | ||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | ||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | ||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
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| Expenses Paid, Amount | $ 3 | ||||||||||||||||||||
| Expense Ratio, Percent | 0.03% | ||||||||||||||||||||
| Factors Affecting Performance [Text Block] | MANAGEMENT’S DISCUSSION OF FUND PERFORMANCE For the 12-month reporting period ended December 31, 2025, the fund returned 17.83%. The S&P 500 ® Index returned 17.88%. Differences between the return of the fund and the return of the S&P 500 ® Index may be attributable to, among other things, the operational and transactional costs incurred by the fund and not the index. ■ Over the reporting period, no sectors detracted from the return of the fund. However, the smallest contributors to total return were: ● Real estate sector securities, including Equinix, Inc. (which detracted from the total return of the fund) ● Energy sector securities ■ Top contributors to total return: ● Information technology sector securities, including NVIDIA Corp. ● Communication services sector securities Portfolio holdings may have changed since the report date. |
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| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | ||||||||||||||||||||
| Line Graph [Table Text Block] | Performance of Hypothetical $10,000 Investment (December 31, 2015 - December 31, 2025) 1 ![]() All total return figures on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. Index ownership — “Standard & Poor’s ® ,” “S&P ® ,” and “S&P 500 ® ” are registered trademarks of Standard & Poor’s Financial Services LLC (S&P), and “Dow Jones ® ” is a registered trademark of Dow Jones Trademark Holdings LLC (Dow Jones) and have been licensed for use by S&P Dow Jones Indices LLC and its affiliates and sublicensed for certain purposes by Charles Schwab Investment Management, Inc. The “S&P 500 ® Index” is a product of S&P Dow Jones Indices LLC or its affiliates, and has been licensed for use by Charles Schwab Investment Management, Inc. The Schwab S&P 500 Index Portfolio is not sponsored, endorsed, sold or promoted by S&P Dow Jones Indices LLC, Dow Jones, S&P, or their respective affiliates, and neither S&P Dow Jones Indices LLC, Dow Jones, S&P, nor their respective affiliates make any representation regarding the advisability of investing in the fund. 1 Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses. |
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| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total return figures on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. Index ownership — “Standard & Poor’s ® ,” “S&P ® ,” and “S&P 500 ® ” are registered trademarks of Standard & Poor’s Financial Services LLC (S&P), and “Dow Jones ® ” is a registered trademark of Dow Jones Trademark Holdings LLC (Dow Jones) and have been licensed for use by S&P Dow Jones Indices LLC and its affiliates and sublicensed for certain purposes by Charles Schwab Investment Management, Inc. The “S&P 500 ® Index” is a product of S&P Dow Jones Indices LLC or its affiliates, and has been licensed for use by Charles Schwab Investment Management, Inc. The Schwab S&P 500 Index Portfolio is not sponsored, endorsed, sold or promoted by S&P Dow Jones Indices LLC, Dow Jones, S&P, or their respective affiliates, and neither S&P Dow Jones Indices LLC, Dow Jones, S&P, nor their respective affiliates make any representation regarding the advisability of investing in the fund. 1 Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses. |
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| Performance Inception Date | Nov. 01, 1996 | ||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus . |
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| Net Assets | $ 3,170,000,000 | ||||||||||||||||||||
| Holdings Count | Holding | 502 | ||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 821,609 | ||||||||||||||||||||
| Investment Company, Portfolio Turnover | 6.00% | ||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Sector Weightings % of Investments 1 ![]() Top Equity Holdings % of Net Assets ![]() Portfolio holdings may have changed since the report date.The Sector/Industry classifications in this report use the Global Industry Classification Standard (GICS) which was developed by and is the exclusive property of MSCI Inc. (MSCI) and Standard & Poor’s (S&P). GICS is a service mark of MSCI and S&P and has been licensed for use by Charles Schwab & Co., Inc. 1 Excludes derivatives. |
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| Largest Holdings [Text Block] | Top Equity Holdings % of Net Assets ![]() Portfolio holdings may have changed since the report date. |
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| Schwab VIT Balanced Portfolio | |||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||
| Fund Name | Schwab VIT Balanced Portfolio | ||||||||||||||||||||
| Class Name | Schwab VIT Balanced Portfolio | ||||||||||||||||||||
| Trading Symbol | SWB1Z | ||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus . You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com .
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| Additional Information Phone Number | 1-866-414-6349 | ||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | ||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | ||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
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| Expenses Paid, Amount | $ 54 | ||||||||||||||||||||
| Expense Ratio, Percent | 0.51% | ||||||||||||||||||||
| Factors Affecting Performance [Text Block] | MANAGEMENT’S DISCUSSION OF FUND PERFORMANCE For the 12-month reporting period ended December 31, 2025, the fund returned 12.93%. The S&P 500 ® Index, which provides a broad measure of equity market performance, and the Bloomberg US Aggregate Bond Index, which provides a broad measure of bond market performance, returned 17.88% and 7.30%, respectively. The fund’s internally calculated comparative index, the VIT Balanced Composite Index (the composite index), returned 13.32%. ■ Asset allocations were broadly in line with those of the composite index ■ Top contributors to total return: ● Schwab U.S. Large-Cap ETF ● Schwab International Equity ETF ■ Over the reporting period, there were no detractors from the return of the fund. However, the smallest contributors to total return were: ● Schwab U.S. REIT ETF ● Schwab U.S. TIPS ETF Portfolio holdings may have changed since the report date. |
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| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | ||||||||||||||||||||
| Line Graph [Table Text Block] | Performance of Hypothetical $10,000 Investment (December 31, 2015 - December 31, 2025) 1 ![]() All total return figures on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. 1 Fund expenses may have been partially absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower. Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses. |
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| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total return figures on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. 1 Fund expenses may have been partially absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower. Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses. |
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| Performance Inception Date | Jul. 25, 2012 | ||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus . |
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| Net Assets | $ 80,000,000 | ||||||||||||||||||||
| Holdings Count | Holding | 10 | ||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 377,912 | ||||||||||||||||||||
| Investment Company, Portfolio Turnover | 29.00% | ||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Asset Class Weightings % of Investments ![]() Top Holdings % of Net Assets ![]() Portfolio holdings may have changed since the report date. |
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| Largest Holdings [Text Block] | Top Holdings % of Net Assets ![]() Portfolio holdings may have changed since the report date. |
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| Schwab VIT Balanced with Growth Portfolio | |||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||
| Fund Name | Schwab VIT Balanced with Growth Portfolio | ||||||||||||||||||||
| Class Name | Schwab VIT Balanced with Growth Portfolio | ||||||||||||||||||||
| Trading Symbol | SWC1Z | ||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus . You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com .
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| Additional Information Phone Number | 1-866-414-6349 | ||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | ||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | ||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
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| Expenses Paid, Amount | $ 52 | ||||||||||||||||||||
| Expense Ratio, Percent | 0.48% | ||||||||||||||||||||
| Factors Affecting Performance [Text Block] | MANAGEMENT’S DISCUSSION OF FUND PERFORMANCE For the 12-month reporting period ended December 31, 2025, the fund returned 15.60%. The S&P 500 ® Index, which provides a broad measure of equity market performance, and the Bloomberg US Aggregate Bond Index, which provides a broad measure of bond market performance, returned 17.88% and 7.30%, respectively. The fund’s internally calculated comparative index, the VIT Balanced with Growth Composite Index (the composite index), returned 16.09%. ■ Asset allocations were broadly in line with those of the composite index ■ Top contributors to total return: ● Schwab U.S. Large-Cap ETF ● Schwab International Equity ETF ■ Over the reporting period, there were no detractors from the return of the fund. However, the smallest contributors to total return were: ● Schwab U.S. TIPS ETF ● Schwab U.S. REIT ETF Portfolio holdings may have changed since the report date. |
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| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | ||||||||||||||||||||
| Line Graph [Table Text Block] | Performance of Hypothetical $10,000 Investment (December 31, 2015 - December 31, 2025) 1 ![]() All total return figures on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. 1 Fund expenses may have been partially absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower. Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses. |
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| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total return figures on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. 1 Fund expenses may have been partially absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower. Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses. |
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| Performance Inception Date | Jul. 25, 2012 | ||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus . |
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| Net Assets | $ 180,000,000 | ||||||||||||||||||||
| Holdings Count | Holding | 10 | ||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 769,329 | ||||||||||||||||||||
| Investment Company, Portfolio Turnover | 12.00% | ||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Asset Class Weightings % of Investments ![]() Top Holdings % of Net Assets ![]() Portfolio holdings may have changed since the report date. |
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| Largest Holdings [Text Block] | Top Holdings % of Net Assets ![]() Portfolio holdings may have changed since the report date. |
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| Schwab VIT Growth Portfolio | |||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||
| Fund Name | Schwab VIT Growth Portfolio | ||||||||||||||||||||
| Class Name | Schwab VIT Growth Portfolio | ||||||||||||||||||||
| Trading Symbol | SWG1Z | ||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus . You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com .
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| Additional Information Phone Number | 1-866-414-6349 | ||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | ||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | ||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
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| Expenses Paid, Amount | $ 52 | ||||||||||||||||||||
| Expense Ratio, Percent | 0.48% | ||||||||||||||||||||
| Factors Affecting Performance [Text Block] | MANAGEMENT’S DISCUSSION OF FUND PERFORMANCE For the 12-month reporting period ended December 31, 2025, the fund returned 18.24%. The S&P 500 ® Index, which provides a broad measure of equity market performance, and the Bloomberg US Aggregate Bond Index, which provides a broad measure of bond market performance, returned 17.88% and 7.30%, respectively. The fund’s internally calculated comparative index, the VIT Growth Composite Index (the composite index), returned 18.73%. ■ Asset allocations were broadly in line with those of the composite index ■ Top contributors to total return: ● Schwab U.S. Large-Cap ETF ● Schwab International Equity ETF ■ Over the reporting period, there were no detractors from the return of the fund. However, the smallest contributors to total return were: ● Schwab U.S. REIT ETF ● Schwab U.S. Small-Cap ETF Portfolio holdings may have changed since the report date. |
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| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | ||||||||||||||||||||
| Line Graph [Table Text Block] | Performance of Hypothetical $10,000 Investment (December 31, 2015 - December 31, 2025) 1 ![]() All total return figures on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. 1 Fund expenses may have been partially absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower. Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses. |
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| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total return figures on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. 1 Fund expenses may have been partially absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower. Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses. |
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| Performance Inception Date | Jul. 25, 2012 | ||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus . |
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| Net Assets | $ 178,000,000 | ||||||||||||||||||||
| Holdings Count | Holding | 8 | ||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 761,934 | ||||||||||||||||||||
| Investment Company, Portfolio Turnover | 12.00% | ||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Asset Class Weightings % of Investments ![]() Top Holdings % of Net Assets ![]() Portfolio holdings may have changed since the report date. |
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| Largest Holdings [Text Block] | Top Holdings % of Net Assets ![]() Portfolio holdings may have changed since the report date. |