Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenues	$ 15,861	$ 14,820	$ 31,452	$ 29,765
Salaries and benefits	7,277	6,792	14,361	13,731
Supplies	2,478	2,301	4,901	4,622
Other operating expenses	3,043	2,693	5,937	5,445
Equity in losses (earnings) of affiliates	7	(8)	25	(19)
Depreciation and amortization	763	738	1,519	1,470
Interest expense	485	434	964	842
Losses (gains) on sales of facilities	(1)	32	14	22
Losses on retirement of debt	0	78	0	78
Total expenses including equity in earnings of affiliates	14,052	13,060	27,721	26,191
Income before income taxes	1,809	1,760	3,731	3,574
Provision for income taxes	397	381	776	730
Net income	1,412	1,379	2,955	2,844
Net income attributable to noncontrolling interests	219	224	399	416
Net income attributable to HCA Healthcare, Inc.	$ 1,193	$ 1,155	$ 2,556	$ 2,428
Per share data:
Basic earnings	$ 4.35	$ 3.95	$ 9.27	$ 8.16
Diluted earnings	$ 4.29	$ 3.9	$ 9.14	$ 8.05
Shares used in earnings per share calculations (in millions):
Basic	274,494	292,527	275,695	297,459
Diluted	278,198	296,061	279,573	301,690