Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Line Items]
Goodwill - gross	$ 7,404	$ 7,533	$ 7,551
Accumulated impairments	(3,477)	(3,477)	(3,477)
Net goodwill	3,927	4,056	4,074
Goodwill [Roll Forward]
Other	(129)	(18)
North America
Goodwill [Line Items]
Goodwill - gross	3,791	3,791	3,791
Accumulated impairments	(1,145)	(1,145)	(1,145)
Net goodwill	2,646	2,646	2,646
Goodwill [Roll Forward]
Other	0	0
International
Goodwill [Line Items]
Goodwill - gross	3,351	3,443	3,456
Accumulated impairments	(2,255)	(2,255)	(2,255)
Net goodwill	1,096	1,188	1,201
Goodwill [Roll Forward]
Other	(92)	(13)
Life Insurance
Goodwill [Line Items]
Goodwill - gross	223	239	244
Accumulated impairments	(67)	(67)	(67)
Net goodwill	156	172	177
Goodwill [Roll Forward]
Other	(16)	(5)
Other Operations
Goodwill [Line Items]
Goodwill - gross	39	60	60
Accumulated impairments	(10)	(10)	(10)
Net goodwill	29	50	$ 50
Goodwill [Roll Forward]
Other	$ (21)	$ 0