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Shares available for issuance under existing award pursuant to the 2022 LTIP

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Shares available for issuance under future awards pursuant to the 2022 LTIP

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Represents the vesting period for the Company's restricted stock.

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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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Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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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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Stock-based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, 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]
Vesting Period	three
Shares available for issuance under existing award pursuant to the 2013 LTIP	1 million
Shares available for issuance under future awards pursuant to the 2022 LTIP	13 million
Shares available for issuance under existing award pursuant to the 2022 LTIP	1 million
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted, number of shares	2.0	1.0
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted, weighted-average grant-date fair value (in dollars per share)	$ 126.56	$ 146.52	$ 155.01
Weighted-average requisite service period (years)	2 years 2 months 12 days
Restricted stock or unit expense	$ 139	$ 134	$ 110
Compensation cost not yet recognized	$ 74
Period for recognition	1 year
Performance Awards - 3 year period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted, number of shares	0.3
Time Vesting Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted, number of shares	1.1
Time Vesting Awards - 1 year period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted, number of shares	0.1