ACQUISITIONS, GOODWILL, AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Millions		3 Months Ended
	Feb. 17, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Business Acquisition [Line Items]
Consideration transferred, upfront payment		$ 0	$ 127
Goodwill		12,927		$ 12,936
Amortization of acquisition-related intangible assets		$ 80	$ 96
Caption Health
Business Acquisition [Line Items]
Percent of interest acquired	100.00%
Consideration transferred, upfront payment	$ 127
Consideration transferred, holdback payment	10
Contingent consideration	13
Goodwill	94
Intangible assets	60
Deferred tax liabilities	$ 3