ACQUISITIONS, GOODWILL, AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Feb. 17, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Business Acquisition [Line Items]
Consideration transferred, upfront payment				$ 147	$ 0
Contingent consideration		$ 65		65		$ 42
Goodwill		12,929		12,929		$ 12,813
Amortization of acquisition-related intangible assets		$ 93	$ 101	$ 189	$ 204
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