Stock-Based Incentive Compensation Plans - Total Unrecognized Compensation Expense for All Stock-Based Incentive Compensation Plans (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]
Expense	$ 84	$ 85	$ 65
Stock options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expense	$ 9	$ 11	$ 8
Weighted-Average Period	9 months 18 days	9 months 18 days	8 months 12 days
Performance shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expense	$ 21	$ 19	$ 14
Weighted-Average Period	1 year 3 months 18 days	1 year 2 months 12 days	1 year 2 months 12 days
RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expense	$ 54	$ 55	$ 43
Weighted-Average Period	1 year 7 months 6 days	1 year 4 months 24 days	1 year 4 months 24 days