XML 59 R42.htm IDEA: XBRL DOCUMENT v3.19.3

STOCKHOLDERS' EQUITY. (Details) $ in Millions	Dec. 31, 2018 USD ($)
Stockholders' Equity Note [Abstract]
Common stock repurchases liability	$ 9.2

X

- 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

X

- References

No definition available.

+ Details

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