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Share-Based Compensation (Schedule of Aggregate Fair Value of Restricted Stock, Performance-Based Restricted Stock and Performance Shares, Awards and Units, that Vested During the Period) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restricted Stock Awards and Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award Line Items
Aggregate fair value of awards and units, vested	$ 172	$ 180	$ 115
Performance-Based Restricted Stock Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award Line Items
Aggregate fair value of awards and units, vested	0	0	1
Performance Share Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award Line Items
Aggregate fair value of awards and units, vested	$ 66	$ 62	$ 15

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- Definition

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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