Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenues	$ 18,605	$ 17,492	$ 36,926	$ 34,831
Salaries and benefits	8,138	7,685	16,135	15,392
Supplies	2,844	2,634	5,608	5,305
Other operating expenses	3,793	3,623	7,638	7,229
Equity in (earnings) losses of affiliates	(19)	0	(37)	2
Depreciation and amortization	863	819	1,723	1,614
Interest expense	568	506	1,115	1,018
Losses (gains) on sales of facilities	3	(12)	2	(213)
Total expenses including equity in earnings of affiliates	16,190	15,255	32,184	30,347
Income before income taxes	2,415	2,237	4,742	4,484
Provision for income taxes	524	550	1,026	995
Net income	1,891	1,687	3,716	3,489
Net income attributable to noncontrolling interests	238	226	453	437
Net income attributable to HCA Healthcare, Inc.	$ 1,653	$ 1,461	$ 3,263	$ 3,052
Per share data:
Basic earnings	$ 6.91	$ 5.6	$ 13.43	$ 11.61
Diluted earnings	$ 6.83	$ 5.53	$ 13.28	$ 11.47
Shares used in earnings per share calculations (in millions):
Basic	239,173	261,156	243,033	262,795
Diluted	241,911	264,071	245,654	266,044