Consolidated Income Statements - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenues	$ 64,968	$ 60,233	$ 58,752
Salaries and benefits	29,487	27,685	26,779
Supplies	9,902	9,371	9,481
Other operating expenses	12,875	11,155	9,961
Equity in earnings of affiliates	(22)	(45)	(113)
Depreciation and amortization	3,077	2,969	2,853
Interest expense	1,938	1,741	1,566
Losses (gains) on sales of facilities	5	(1,301)	(1,620)
Losses on retirement of debt	0	78	12
Total expenses including equity in earnings of affiliates	57,262	51,653	48,919
Income before income taxes	7,706	8,580	9,833
Provision for income taxes	1,615	1,746	2,112
Net income	6,091	6,834	7,721
Net income attributable to noncontrolling interests	849	1,191	765
Net income attributable to HCA Healthcare, Inc.	$ 5,242	$ 5,643	$ 6,956
Per share data:
Basic earnings per share	$ 19.25	$ 19.43	$ 21.52
Diluted earnings per share	$ 18.97	$ 19.15	$ 21.16
Shares used in earnings per share calculations (in millions):
Basic	272,404	290,348	323,315
Diluted	276,412	294,666	328,752