Goodwill and Other Intangible Assets - Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 2,746
Transfers/Adjustments(a)	(1)
Other	(31)	[1]
Ending Balance	2,714
United States (U.S.)
Goodwill [Roll Forward]
Beginning Balance	1,485
Transfers/Adjustments(a)	27
Other	(2)	[1]
Ending Balance	1,510
International
Goodwill [Roll Forward]
Beginning Balance	1,261
Transfers/Adjustments(a)	(28)
Other	(29)	[1]
Ending Balance	$ 1,204

[1] Includes adjustments for foreign currency translation and the sale of a majority interest in our pet insurance business within our U.S. segment.