Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenues	$ 17,487	$ 16,213	$ 52,318	$ 47,665
Salaries and benefits	7,861	7,556	23,253	21,917
Supplies	2,657	2,417	7,962	7,318
Other operating expenses	3,717	3,379	10,946	9,316
Equity in (earnings) losses of affiliates	(15)	(19)	(13)	6
Depreciation and amortization	842	769	2,456	2,288
Interest expense	515	483	1,533	1,447
Losses (gains) on sales of facilities	4	(2)	(209)	12
Total expenses including equity in earnings of affiliates	15,581	14,583	45,928	42,304
Income before income taxes	1,906	1,630	6,390	5,361
Provision for income taxes	424	355	1,419	1,131
Net income	1,482	1,275	4,971	4,230
Net income attributable to noncontrolling interests	212	196	649	595
Net income attributable to HCA Healthcare, Inc.	$ 1,270	$ 1,079	$ 4,322	$ 3,635
Per share data:
Basic earnings	$ 4.94	$ 3.98	$ 16.57	$ 13.26
Diluted earnings	$ 4.88	$ 3.91	$ 16.37	$ 13.07
Shares used in earnings per share calculations (in millions):
Basic	256,763	271,173	260,770	274,171
Diluted	259,917	275,424	263,987	278,173