Incentive Plans - Schedule of Performance Awards (Details) - Performance Awards (a) - USD ($) $ / shares in Units, $ 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]
Awards granted (usd per share)	$ 236.01	$ 331.58	$ 165.32
Grant date fair value of equity instruments other than options, vested in period	$ 27	$ 26	$ 13
Total fair value of equity instruments other than options, vested in period	$ 90	$ 30	$ 14