Other Assets (Details 1) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 3,804	$ 3,852
Acquisitions	13	0
Dispositions	0	(3)
Other	(31)	(45)
Goodwill, ending balance	3,786	3,804
USCS
Goodwill [Roll Forward]
Goodwill, beginning balance	368	369
Acquisitions	13	0
Dispositions	0	0
Other	(2)	(1)
Goodwill, ending balance	379	368
CS
Goodwill [Roll Forward]
Goodwill, beginning balance	2,123	2,124
Acquisitions	0	0
Dispositions	0	0
Other	(1)	(1)
Goodwill, ending balance	2,122	2,123
ICS
Goodwill [Roll Forward]
Goodwill, beginning balance	753	799
Acquisitions	0	0
Dispositions	0	(3)
Other	(28)	(43)
Goodwill, ending balance	725	753
GMNS
Goodwill [Roll Forward]
Goodwill, beginning balance	560	560
Acquisitions	0	0
Dispositions	0	0
Other	0	0
Goodwill, ending balance	$ 560	$ 560