XML 68 R44.htm IDEA: XBRL DOCUMENT v3.22.0.1

BASIS OF PREPARATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets (Details) - Investment advisory agreements		12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021
Business Acquisition [Line Items]
Intangible assets weighted average useful life	6 years 1 month 6 days
Oak Hill Advisors, L.P.
Business Acquisition [Line Items]
Intangible assets weighted average useful life		6 years 1 month 6 days

X

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
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

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=trow_InvestmentAdvisoryAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=trow_OAKHILLADVISORSLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: