Benefit Plans - Rollforward of RSUs, PSUs and Restricted Shares - (Details) - RSUs, PSUs and Restricted Shares shares in Thousands	12 Months Ended
Dec. 31, 2021 $ / shares shares
Units/Shares
Nonvested, beginning balance (in units/shares) \| shares	18,088
Granted (in units/shares) \| shares	7,556
Vested (in units/shares) \| shares	(7,554)
Forfeited (in units/shares) \| shares	(1,029)
Nonvested, ending balance (in units/shares) \| shares	17,061
Wtd. Avg. Grant Date Fair Value
Nonvested, beginning balance (in usd per units/share) \| $ / shares	$ 47.93
Granted (in usd per units/share) \| $ / shares	53.12
Vested (in usd per units/share) \| $ / shares	52.36
Forfeited (in usd per units/share) \| $ / shares	51.41
Nonvested, ending balance (in usd per units/share) \| $ / shares	$ 50.01

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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