Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 4,586	$ 8,368	$ 4,327
Other comprehensive income (loss), net of tax:
Net unrealized investment gains (losses)	30	1,090	(2,317)
Change in discount rate on long-duration insurance reserves	113	(67)	870
Foreign currency translation adjustments	(4)	0	0
Net cash flow hedges	(15)	5	17
Pension and other postretirement benefits	53	(61)	(168)
Other comprehensive income (loss)	177	967	(1,598)
Comprehensive income	4,763	9,335	2,729
Comprehensive (income) loss attributable to noncontrolling interests	28	(24)	(16)
Comprehensive income attributable to CVS Health	$ 4,791	$ 9,311	$ 2,713