XML 65 R41.htm IDEA: XBRL DOCUMENT
v3.22.0.1

BASIS OF PREPARATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) | Dec. 29, 2021
--- | ---
Oak Hill Advisors, L.P. |
Business Acquisition [Line Items] |
Voting interests acquired | 100.00%
Co-investment Entities |
Business Acquisition [Line Items] |
Voting interests acquired | 100.00%

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
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=trow_CoInvestmentEntitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |