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GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Changes in Carrying Amount of Goodwill By Reportable Segments (Details) $ in Millions	6 Months Ended
	Jun. 30, 2025 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 9,631
Acquisitions	2
Goodwill, ending balance	9,633
Insurance
Goodwill [Roll Forward]
Goodwill, beginning balance	2,663
Acquisitions	0
Goodwill, ending balance	2,663
CenterWell
Goodwill [Roll Forward]
Goodwill, beginning balance	6,968
Acquisitions	2
Goodwill, ending balance	$ 6,970

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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