XML 51 R9999.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Label	Element	Value
Additional Paid-in Capital [Member]
Stockholders' Equity Attributable to Parent, Adjusted Balance	trow_StockholdersEquityAttributabletoParentAdjustedBalance	$ 846,100,000
Common Stock [Member]
Stockholders' Equity Attributable to Parent, Adjusted Balance	trow_StockholdersEquityAttributabletoParentAdjustedBalance	$ 49,000,000.0

X

- Definition

Amount of stockholders' equity attributable to parent, after the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

No definition available.

+ Details

Name:	trow_StockholdersEquityAttributabletoParentAdjustedBalance
Namespace Prefix:	trow_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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

X

- Details

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