Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Revenues	$ 18,321	$ 17,339
Salaries and benefits	7,997	7,707
Supplies	2,764	2,671
Other operating expenses	3,845	3,606
Equity in (earnings) losses of affiliates	(18)	2
Depreciation and amortization	860	795
Interest expense	547	512
Gains on sales of facilities	(1)	(201)
Total expenses including equity in earnings of affiliates	15,994	15,092
Income before income taxes	2,327	2,247
Provision for income taxes	502	445
Net income	1,825	1,802
Net income attributable to noncontrolling interests	215	211
Net income attributable to HCA Healthcare, Inc.	$ 1,610	$ 1,591
Per share data:
Basic earnings	$ 6.52	$ 6.01
Diluted earnings	$ 6.45	$ 5.93
Shares used in earnings per share calculations (in millions):
Basic	246,936	264,435
Diluted	249,440	268,016