XML 216 R45.htm IDEA: XBRL DOCUMENT
v3.25.0.1

OTHER DISCLOSURES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Other Disclosures [Abstract] |
Schedule of Deferred Compensation Arrangement with Individual | Below is a roll forward of the supplement savings plan liability which is reported in deferred compensation liabilities on the consolidated balance sheets.
(in millions) | 2024 |  | 2023
Balance at beginning of the year | $ | 895.0 |  |  | $ | 761.2 |
Deferrals (including taxes) | 53.4 |  |  | 52.8 |
Market appreciation (depreciation) | 104.3 |  |  | 123.2 |
Distributions | (46.7) |  |  | (42.2) |
Balance at end of the year | $ | 1,006.0 |  |  | $ | 895.0 |

X
- Definition Other Disclosures [Abstract] + References No definition available. + Details
Name: | trow_OtherDisclosuresAbstract
Namespace Prefix: | trow_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Deferred Compensation Arrangement With Individual + References No definition available. + Details
Name: | trow_ScheduleOfDeferredCompensationArrangementWithIndividualTableTextBlock
Namespace Prefix: | trow_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration