Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 1,728	$ 4,586	$ 8,368
Other comprehensive income (loss), net of tax:
Net unrealized investment gains	605	30	1,090
Change in discount rate on long-duration insurance reserves	(50)	113	(67)
Foreign currency translation adjustments	11	(4)	0
Net cash flow hedges	(13)	(15)	5
Pension and other postretirement benefits	(27)	53	(61)
Other comprehensive income (loss)	526	177	967
Comprehensive income	2,254	4,763	9,335
Comprehensive (income) loss attributable to noncontrolling interests	40	28	(24)
Comprehensive income attributable to CVS Health	$ 2,294	$ 4,791	$ 9,311