Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenues	$ 17,492	$ 15,861	$ 34,831	$ 31,452
Salaries and benefits	7,685	7,277	15,392	14,361
Supplies	2,634	2,478	5,305	4,901
Other operating expenses	3,623	3,043	7,229	5,937
Equity in losses of affiliates	0	7	2	25
Depreciation and amortization	819	763	1,614	1,519
Interest expense	506	485	1,018	964
Losses (gains) on sales of facilities	(12)	(1)	(213)	14
Total expenses including equity in earnings of affiliates	15,255	14,052	30,347	27,721
Income before income taxes	2,237	1,809	4,484	3,731
Provision for income taxes	550	397	995	776
Net income	1,687	1,412	3,489	2,955
Net income attributable to noncontrolling interests	226	219	437	399
Net income attributable to HCA Healthcare, Inc.	$ 1,461	$ 1,193	$ 3,052	$ 2,556
Per share data:
Basic earnings	$ 5.6	$ 4.35	$ 11.61	$ 9.27
Diluted earnings	$ 5.53	$ 4.29	$ 11.47	$ 9.14
Shares used in earnings per share calculations (in millions):
Basic	261,156	274,494	262,795	275,695
Diluted	264,071	278,198	266,044	279,573