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STOCKHOLDERS' EQUITY (Details) $ in Millions | Sep. 30, 2022 USD ($)
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Stockholders' Equity Note [Abstract] |
Unsettled common stock repurchases liability | $ 16.1

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- Definition Unsettled Common Stock Repurchases Liabilities + References No definition available. + Details
Name: | trow_UnsettledCommonStockRepurchasesLiabilities
Namespace Prefix: | trow_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration