GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Changes in Carrying Amount of Goodwill By Reportable Segments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Goodwill [Roll Forward]
Beginning balance	$ 9,631	$ 9,550
Acquisitions	72	81
Dispositions	(17)
Ending balance	9,686	9,631
Insurance
Goodwill [Roll Forward]
Beginning balance	2,663	2,663
Acquisitions	0	0
Dispositions	0
Ending balance	2,663	2,663
CenterWell
Goodwill [Roll Forward]
Beginning balance	6,968	6,887
Acquisitions	72	81
Dispositions	(17)
Ending balance	$ 7,023	$ 6,968