XML 83 R64.htm IDEA: XBRL DOCUMENT v3.20.4

STOCK-BASED COMPENSATION. (Future Stock-Based Compensation Expense) (Details) $ in Millions	Dec. 31, 2020 USD ($)
Share-based Payment Arrangement [Abstract]
First quarter 2021	$ 58.3
Second quarter 2021	57.0
Third quarter 2021	56.8
Fourth quarter 2021	50.3
Total 2021	222.4
2022 through 2026	215.1
Total	$ 437.5

X

- Definition

Unrecognized cost of unvested share-based compensation awards to be recognized in the second fiscal year through vesting period.

+ References

No definition available.

+ Details

Name:	trow_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostToBeRecognizedFromSecondFiscalYeartoVesting
Namespace Prefix:	trow_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Unrecognized cost of unvested share-based compensation awards to be recognized in the next fiscal year.

+ References

No definition available.

+ Details

Name:	trow_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostToBeRecognizedNextFiscalYear
Namespace Prefix:	trow_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter Four Of Next Fiscal Year

+ References

No definition available.

+ Details

Name:	trow_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostToBeRecognizedQuarterFourOfNextFiscalYear
Namespace Prefix:	trow_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter One Of Next Fiscal Year

+ References

No definition available.

+ Details

Name:	trow_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostToBeRecognizedQuarterOneOfNextFiscalYear
Namespace Prefix:	trow_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter Three Of Next Fiscal Year

+ References

No definition available.

+ Details

Name:	trow_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostToBeRecognizedQuarterThreeOfNextFiscalYear
Namespace Prefix:	trow_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost To Be Recognized Quarter Two Of Next Fiscal Year

+ References

No definition available.

+ Details

Name:	trow_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostToBeRecognizedQuarterTwoOfNextFiscalYear
Namespace Prefix:	trow_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant