Average Annual Total Returns

12 Months Ended

58 Months Ended

60 Months Ended

120 Months Ended

240 Months Ended

396 Months Ended

Dec. 31, 2025

Dec. 31, 2025

Dec. 31, 2025

Dec. 31, 2025

Dec. 31, 2025

Dec. 31, 2025

Dec. 31, 2025

Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)

Prospectus [Line Items]

Average Annual Return, Percent

17.15%

12.52%

^[1]

13.15%

14.29%

S&P 500 Index (reflects no deduction for fees, expenses, or taxes)

Prospectus [Line Items]

Average Annual Return, Percent

17.88%

14.09%

^[1]

14.42%

14.82%

Lipper Large-Cap Core Funds Index

Prospectus [Line Items]

Average Annual Return, Percent

17.72%

13.17%

^[1]

13.65%

13.84%

T. Rowe Price Dividend Growth Fund, Inc. - Investor Class

Prospectus [Line Items]

Average Annual Return, Percent

14.66%

10.85%

12.65%

Performance Inception Date

Dec. 30, 1992

T. Rowe Price Dividend Growth Fund, Inc. - Investor Class | After Taxes on Distributions

Prospectus [Line Items]

Average Annual Return, Percent

12.63%

9.77%

11.79%

T. Rowe Price Dividend Growth Fund, Inc. - Investor Class | After Taxes on Distributions and Sales

Prospectus [Line Items]

Average Annual Return, Percent

10.14%

8.51%

10.40%

T. Rowe Price Dividend Growth Fund, Inc. - I Class

Prospectus [Line Items]

Average Annual Return, Percent

14.83%

11.00%

12.80%

Performance Inception Date

Dec. 17, 2015

T. Rowe Price Dividend Growth Fund, Inc. - Advisor Class

Prospectus [Line Items]

Average Annual Return, Percent

14.38%

10.56%

12.36%

Performance Inception Date

Dec. 29, 2005

T. Rowe Price Dividend Growth Fund, Inc. - Z Class

Prospectus [Line Items]

Average Annual Return, Percent

15.40%

11.58%

Performance Inception Date

Feb. 22, 2021

[1]	Return since 2/22/21.