Consolidated Comprehensive Income Statements - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 7,782	$ 6,657	$ 6,091
Other comprehensive income (loss) before taxes:
Foreign currency translation	64	(16)	41
Unrealized gains on available-for-sale securities	13	1	11
Gains included in other operating expenses	0	0	(1)
Total Unrealized losses on available-for-sale securities	13	1	10
Defined benefit plans	31	65	27
Pension (benefits) costs included in salaries and benefits	(8)	1	3
Total defined benefit plans	23	66	30
Other comprehensive income before taxes	100	51	81
Income taxes related to other comprehensive income items	18	13	16
Other comprehensive income	82	38	65
Comprehensive income	7,864	6,695	6,156
Comprehensive income attributable to noncontrolling interests	998	897	849
Comprehensive income attributable to HCA Healthcare, Inc.	$ 6,866	$ 5,798	$ 5,307