Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Statement of Comprehensive Income [Abstract]
Net income	$ 2,995	$ 1,013	$ 5,952	$ 2,795
Other comprehensive income (loss), net of tax:
Net unrealized investment gains (losses)	(9)	187	(253)	403
Change in discount rate on long-duration insurance reserves	1	23	44	(10)
Foreign currency translation adjustments	(1)	4	(1)	4
Net cash flow hedges	(4)	(1)	(8)	(5)
Other comprehensive income (loss)	(13)	213	(218)	392
Comprehensive income	2,982	1,226	5,734	3,187
Comprehensive (income) loss attributable to noncontrolling interests	(16)	8	(30)	5
Comprehensive income attributable to CVS Health	$ 2,966	$ 1,234	$ 5,704	$ 3,192