This semi-annual shareholder report contains important information about Blue Chip Growth Fund (the "fund") for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.

Material Fund Change Notice [Text Block]

Additional Information Phone Number

1‑800‑638‑5660

Additional Information Email

<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>

Additional Information Website

www.troweprice.com/prospectus

Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Blue Chip Growth Fund - Investor Class	$35	0.70%

Expenses Paid, Amount

$ 35

Expense Ratio, Percent

0.70%

Updated Performance Information Location [Text Block]

If you invest directly with T. Rowe Price, you can elect to receive future shareholder reports or other important documents through electronic delivery by enrolling at www.troweprice.com/paperless. If you invest through a financial intermediary such as an investment advisor, a bank, retirement plan sponsor or a brokerage firm, please contact that organization and ask if it can provide electronic delivery.

Visit www.troweprice.com/en/us/market-data-disclosures for additional legal notices & disclaimers.

AssetsNet

$ 64,552,376,000

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

22.20%

Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)	$64,552,376
Number of Portfolio Holdings	80

Additional Fund Statistics Significance or Limits [Text Block]

Table Summary

Portfolio Turnover Rate	22.2%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	52.7%
Communication Services	17.9
Consumer Discretionary	11.6
Financials	6.7
Health Care	5.7
Industrials & Business Services	4.8
Utilities	0.3
Materials	0.3
Other	-

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
NVIDIA	15.7%
Alphabet	12.1
Broadcom	5.9
Apple	4.4
Microsoft	4.3
Advanced Micro Devices	3.6
Meta Platforms	3.5
Carvana	3.2
Amazon.com	3.3
Eli Lilly	3.1

Material Fund Change [Text Block]

Updated Prospectus Web Address

www.troweprice.com/paperless

C000005425

Shareholder Report [Line Items]

Fund Name

Blue Chip Growth Fund

Class Name

Advisor Class

Trading Symbol

PABGX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Blue Chip Growth Fund (the "fund") for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

Material Fund Change Notice [Text Block]

Additional Information Phone Number

1‑800‑638‑5660

Additional Information Email

Additional Information Website

www.troweprice.com/prospectus

Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Blue Chip Growth Fund - Advisor Class	$48	0.96%

Expenses Paid, Amount

$ 48

Expense Ratio, Percent

0.96%

Updated Performance Information Location [Text Block]

Visit www.troweprice.com/en/us/market-data-disclosures for additional legal notices & disclaimers.

AssetsNet

$ 64,552,376,000

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

22.20%

Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)	$64,552,376
Number of Portfolio Holdings	80

Additional Fund Statistics Significance or Limits [Text Block]

Table Summary

Portfolio Turnover Rate	22.2%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	52.7%
Communication Services	17.9
Consumer Discretionary	11.6
Financials	6.7
Health Care	5.7
Industrials & Business Services	4.8
Utilities	0.3
Materials	0.3
Other	-

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
NVIDIA	15.7%
Alphabet	12.1
Broadcom	5.9
Apple	4.4
Microsoft	4.3
Advanced Micro Devices	3.6
Meta Platforms	3.5
Carvana	3.2
Amazon.com	3.3
Eli Lilly	3.1

Material Fund Change [Text Block]

Updated Prospectus Web Address

www.troweprice.com/paperless

C000005426

Shareholder Report [Line Items]

Fund Name

Blue Chip Growth Fund

Class Name

R Class

Trading Symbol

RRBGX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Blue Chip Growth Fund (the "fund") for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

Material Fund Change Notice [Text Block]

Additional Information Phone Number

1‑800‑638‑5660

Additional Information Email

Additional Information Website

www.troweprice.com/prospectus

Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Blue Chip Growth Fund - R Class	$61	1.22%

Expenses Paid, Amount

$ 61

Expense Ratio, Percent

1.22%

Updated Performance Information Location [Text Block]

Visit www.troweprice.com/en/us/market-data-disclosures for additional legal notices & disclaimers.

AssetsNet

$ 64,552,376,000

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

22.20%

Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)	$64,552,376
Number of Portfolio Holdings	80

Additional Fund Statistics Significance or Limits [Text Block]

Table Summary

Portfolio Turnover Rate	22.2%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	52.7%
Communication Services	17.9
Consumer Discretionary	11.6
Financials	6.7
Health Care	5.7
Industrials & Business Services	4.8
Utilities	0.3
Materials	0.3
Other	-

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
NVIDIA	15.7%
Alphabet	12.1
Broadcom	5.9
Apple	4.4
Microsoft	4.3
Advanced Micro Devices	3.6
Meta Platforms	3.5
Carvana	3.2
Amazon.com	3.3
Eli Lilly	3.1

Material Fund Change [Text Block]

Updated Prospectus Web Address

www.troweprice.com/paperless

C000166329

Shareholder Report [Line Items]

Fund Name

Blue Chip Growth Fund

Class Name

I Class

Trading Symbol

TBCIX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Blue Chip Growth Fund (the "fund") for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

Material Fund Change Notice [Text Block]

Additional Information Phone Number

1‑800‑638‑5660

Additional Information Email

Additional Information Website

www.troweprice.com/prospectus

Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Blue Chip Growth Fund - I Class	$28	0.57%

Expenses Paid, Amount

$ 28

Expense Ratio, Percent

0.57%

Updated Performance Information Location [Text Block]

Visit www.troweprice.com/en/us/market-data-disclosures for additional legal notices & disclaimers.

AssetsNet

$ 64,552,376,000

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

22.20%

Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)	$64,552,376
Number of Portfolio Holdings	80

Additional Fund Statistics Significance or Limits [Text Block]

Table Summary

Portfolio Turnover Rate	22.2%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	52.7%
Communication Services	17.9
Consumer Discretionary	11.6
Financials	6.7
Health Care	5.7
Industrials & Business Services	4.8
Utilities	0.3
Materials	0.3
Other	-

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
NVIDIA	15.7%
Alphabet	12.1
Broadcom	5.9
Apple	4.4
Microsoft	4.3
Advanced Micro Devices	3.6
Meta Platforms	3.5
Carvana	3.2
Amazon.com	3.3
Eli Lilly	3.1

Material Fund Change [Text Block]

Updated Prospectus Web Address

www.troweprice.com/paperless

C000225816

Shareholder Report [Line Items]

Fund Name

Blue Chip Growth Fund

Class Name

Z Class

Trading Symbol

TRZBX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Blue Chip Growth Fund (the "fund") for the period of January 1, 2026 to June 30, 2026.

Additional Information [Text Block]

Material Fund Change Notice [Text Block]

Additional Information Phone Number

1‑800‑638‑5660

Additional Information Email

Additional Information Website

www.troweprice.com/prospectus

Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Blue Chip Growth Fund - Z Class	$0	0.00%

Expenses Paid, Amount

$ 0

Expense Ratio, Percent

0.00%

Updated Performance Information Location [Text Block]

Visit www.troweprice.com/en/us/market-data-disclosures for additional legal notices & disclaimers.

AssetsNet

$ 64,552,376,000

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

22.20%

Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)	$64,552,376
Number of Portfolio Holdings	80

Additional Fund Statistics Significance or Limits [Text Block]

Table Summary

Portfolio Turnover Rate	22.2%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	52.7%
Communication Services	17.9
Consumer Discretionary	11.6
Financials	6.7
Health Care	5.7
Industrials & Business Services	4.8
Utilities	0.3
Materials	0.3
Other	-

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
NVIDIA	15.7%
Alphabet	12.1
Broadcom	5.9
Apple	4.4
Microsoft	4.3
Advanced Micro Devices	3.6
Meta Platforms	3.5
Carvana	3.2
Amazon.com	3.3
Eli Lilly	3.1

Material Fund Change [Text Block]

Updated Prospectus Web Address