Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 1,782	$ 1,124
Other comprehensive income (loss), net of tax:
Net unrealized investment gains (losses)	216	(108)
Change in discount rate on long-duration insurance reserves	(33)	68
Net cash flow hedges	(4)	(4)
Other comprehensive income (loss)	179	(44)
Comprehensive income	1,961	1,080
Comprehensive income attributable to noncontrolling interests	(3)	(11)
Comprehensive income attributable to CVS Health	$ 1,958	$ 1,069