Share-Based Compensation Plans - Summary of Unearned Compensation and Weighted-Average Remaining Period to Recognize Costs (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation	$ 81
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation	$ 78
Weighted-Average Remaining Period (in years)	1 year 4 months 24 days
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation	$ 3
Weighted-Average Remaining Period (in years)	2 years 8 months 12 days