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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Employee Investment Shares

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

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

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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- 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.

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Share-Based Plans - Narrative (Details) - USD ($)	12 Months Ended
Share-Based Plans - Narrative (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Employee stock purchase plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense (less than in all years for ESPP)	$ 0	$ 0	$ 0
Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Stock compensation expense (less than in all years for ESPP)	$ 19,000,000	15,000,000	15,000,000
Compensation expense not yet recognized	$ 12,000,000
Compensation expense not yet recognized, period for recognition	1 year
Restricted stock units (RSUs) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Restricted stock units (RSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	5 years
ShareMatch \| Employee stock purchase plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum monthly purchase per employee	$ 318	$ 302	$ 342
Employee investment shares (in shares)	3
Award vesting period	3 years