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Share-based Compensation Arrangement by Share-based Payment Award, Cumulative Number of Shares Awarded

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Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Not Delivered Available for Reissue

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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

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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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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Number of shares authorized for issuance under share-based payment arrangement.

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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.

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Number of share options (or share units) exercised during the current period.

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Equity-Based Compensation - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	May 31, 2017
Deferred Stock Awards and Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation	$ 208,000,000	$ 240,000,000	$ 259,000,000
Accelerated recognition due to restructuring plan	12,000,000	21,000,000	5,000,000
Deferred Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Costs not yet recognized	184,000,000
Fair value for vested in period	$ 185,000,000	217,000,000	206,000,000
Period of recognition for unrecognized share-based compensation	2 years 4 months 24 days
Deferred Stock Awards \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	1 year
Deferred Stock Awards \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	4 years
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Costs not yet recognized	$ 16,000,000
Fair value for vested in period	$ 43,000,000	$ 60,000,000	$ 57,000,000
Period of recognition for unrecognized share-based compensation	1 year 10 months 24 days
Performance Shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercised (in shares)	0	0	0
Costs not yet recognized	$ 0
Cash Settled Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Costs not yet recognized	0
Fair value for vested in period	$ 3,000,000	$ 3,000,000
2017 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance (in shares)				15,100,000
Additional shares authorized (in shares)	20,800,000
Accumulated number of shares awarded (in shares)	21,700,000	18,700,000	15,200,000
Shares awarded, but not delivered, available for reissue (in shares)	5,800,000
Shares available for grant (in shares)	19,900,000
2006 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance (in shares)				28,500,000