Segment Information - Summary of Special Items (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Pre-tax
Integration and transaction-related costs, pre-tax	$ 63	$ 6	$ 100	$ 7
(Gain) loss on sale of business	0	0	19	0
Deferred tax (benefits), net (Income taxes, less amount attributable to noncontrolling interests)	0	0	0	0
Total impact from special items	63	6	119	7
After-tax
Integration and transaction-related costs, after-tax (Selling, general and administrative expenses)	47	5	76	6
(Gain) loss on sale of business, after-tax	0	0	(43)	0
Deferred tax (benefits), net, after-tax (Income taxes, less amount attributable to noncontrolling interests)	17	0	34	0
Total impact from special items	$ 64	$ 5	$ 67	$ 6