Goodwill and Other Intangible Assets (Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Beginning balance	$ 2,759	$ 2,746
Additions / Adjustments		38
Goodwill, Transfers		(9)
Other	(35)	(16)
Ending balance	2,724	2,759
Adjustments for the derecognition of goodwill related to the sale	24
United States
Goodwill [Roll Forward]
Beginning balance	1,532	1,485
Additions / Adjustments		24
Goodwill, Transfers		25
Other	(17)	(2)
Ending balance	1,515	1,532
International
Goodwill [Roll Forward]
Beginning balance	1,227	1,261
Additions / Adjustments		14
Goodwill, Transfers		(34)
Other	(18)	(14)
Ending balance	$ 1,209	$ 1,227