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Stockholders' Equity - Components of Share-based Compensation (Details) - USD ($) $ 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]
Pretax Charges	$ 115	$ 103	$ 72
Net-of-Tax Amount	109	96	68
RSAs and PSUs (defined below)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pretax Charges	108	97	66
Net-of-Tax Amount	102	90	62
Employee stock purchase plan and stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pretax Charges	7	6	6
Net-of-Tax Amount	$ 7	$ 6	$ 6

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

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