XML 228 R57.htm IDEA: XBRL DOCUMENT v3.25.0.1

INVESTMENTS - Deconsolidation Impacts on Financial Statements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]
Net decrease in assets of consolidated investment products	$ (673.9)	$ (663.8)	$ (256.9)
Net decrease in liabilities of consolidated investment products	(20.5)	(29.7)	(12.8)
Net decrease in redeemable non-controlling interests	(272.8)	(479.2)	(147.2)
Gains recognized upon deconsolidation	486.3	504.1	(425.5)
Reclassification out of accumulated other comprehensive income | Currency translation adjustments
Debt and Equity Securities, FV-NI [Line Items]
Gains recognized upon deconsolidation	$ (0.4)	$ 0.0	$ 3.0

X

- Definition

Increase (Decrease) In Assets Of Voting Interest Entities And Variable Interest Entities

+ References

No definition available.

+ Details

Name:	trow_IncreaseDecreaseInAssetsOfVotingInterestEntitiesAndVariableInterestEntities
Namespace Prefix:	trow_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Increase (Decrease) In Liabilities Of Voting Interest Entities And Variable Interest Entities

+ References

No definition available.

+ Details

Name:	trow_IncreaseDecreaseInLiabilitiesOfVotingInterestEntitiesAndVariableInterestEntities
Namespace Prefix:	trow_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 16
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481231/810-10-45-16

+ Details

Name:	us-gaap_MinorityInterestPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_NonoperatingIncomeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B

+ Details

Name:	us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis=us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedTranslationAdjustmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: