Stock-Based Compensation - Additional Information (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares available for grant under the stock incentive plan (in shares)	15
Fair value of shares vested	$ 180	$ 198	$ 191
Stock-based compensation expense	224	202	207
Stock-based compensation expense on an after tax basis	167	$ 152	$ 155
Unrecognized compensation cost related to nonvested share-based arrangements	$ 175
Period for recognition of unrecognized compensation cost related to nonvested share-based arrangements	1 year 9 months 18 days
Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Option grants exercisable period	10 years
Stock and unit awards vesting period	3 years
Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock and unit awards vesting period	5 years

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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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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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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Date of grant exercisable period.

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Stock and unit awards vesting period.

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