Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 2,142	$ 2,355
Other comprehensive income (loss), net of tax:
Net unrealized investment gains (losses)	470	(1,132)
Change in discount rate on long-duration insurance reserves	(74)	369
Foreign currency translation adjustments	(1)	3
Net cash flow hedges	(6)	(3)
Other comprehensive income (loss)	389	(763)
Comprehensive income	2,531	1,592
Comprehensive income attributable to noncontrolling interests	(6)	(1)
Comprehensive income attributable to CVS Health	$ 2,525	$ 1,591