Percentage of final grant adjusted on original grant.

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- Definition

Shares Based Compensation Arrangements Maximum Payout

+ References

No definition available.

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- Definition

Shares Based Compensation Arrangements Maximum Payout Weighted Average Recognition Period

+ References

No definition available.

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- Definition

Number of stock granted subsequent to year end as a result of any share-based compensation plan other than en employee stock ownership plan

+ References

No definition available.

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- Definition

Unvested number of stock granted subsequent to year end as a result of any share-based compensation plan other than en employee stock ownership plan.

+ References

No definition available.

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- 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

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- 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.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ 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
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

+ References

No definition available.

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Employee Incentive Plans - Additional Information (Detail) shares in Millions, $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2022 shares	Dec. 31, 2021 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs related to nonvested share-based compensation arrangements \| $		$ 565
Period over which unrecognized compensation costs related to nonvested share-based compensation arrangements will be recognized		2 years 7 days
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares-based compensation arrangements maximum Payout \| $		$ 31
Shares based compensation arrangements maximum payout weighted average recognition period		2 years
Restricted Stock Units (RSUs) [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of final grant adjusted on original grant		0
Restricted Stock Units (RSUs) [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of final grant adjusted on original grant		150
Scenario, Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted subsequent to year end	12.0
Unvested restricted stock units granted subsequent to year end	4.4
Scenario, Forecast [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	1.0
2021 SIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant under the 2021 SIP		69.8