Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenues	$ 14,971	$ 15,276	$ 44,736	$ 43,688
Salaries and benefits	6,899	7,094	20,630	19,780
Supplies	2,320	2,463	6,942	7,067
Other operating expenses	2,860	2,530	8,305	7,424
Equity in earnings of affiliates	(10)	(35)	(29)	(78)
Depreciation and amortization	749	716	2,219	2,125
Interest expense	446	398	1,288	1,168
Losses (gains) on sales of facilities	3	(1,047)	25	(1,057)
Losses on retirement of debt	0	0	78	12
Total expenses including equity in earnings of affiliates	13,267	12,119	39,458	36,441
Income before income taxes	1,704	3,157	5,278	7,247
Provision for income taxes	360	685	1,090	1,531
Net income	1,344	2,472	4,188	5,716
Net income attributable to noncontrolling interests	210	203	626	574
Net income attributable to HCA Healthcare, Inc.	$ 1,134	$ 2,269	$ 3,562	$ 5,142
Per share data:
Basic earnings	$ 3.97	$ 7.13	$ 12.13	$ 15.67
Diluted earnings	$ 3.91	$ 7.00	$ 11.97	$ 15.43
Shares used in earnings per share calculations (in millions):
Basic	285,958	318,072	293,583	328,048
Diluted	289,852	324,029	297,702	333,248