Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenues	$ 16,213	$ 14,971	$ 47,665	$ 44,736
Salaries and benefits	7,556	6,899	21,917	20,630
Supplies	2,417	2,320	7,318	6,942
Other operating expenses	3,379	2,860	9,316	8,305
Equity in (earnings) losses of affiliates	(19)	(10)	6	(29)
Depreciation and amortization	769	749	2,288	2,219
Interest expense	483	446	1,447	1,288
Losses (gains) on sales of facilities	(2)	3	12	25
Losses on retirement of debt	0	0	0	78
Total expenses including equity in earnings of affiliates	14,583	13,267	42,304	39,458
Income before income taxes	1,630	1,704	5,361	5,278
Provision for income taxes	355	360	1,131	1,090
Net income	1,275	1,344	4,230	4,188
Net income attributable to noncontrolling interests	196	210	595	626
Net income attributable to HCA Healthcare, Inc.	$ 1,079	$ 1,134	$ 3,635	$ 3,562
Per share data:
Basic earnings	$ 3.98	$ 3.97	$ 13.26	$ 12.13
Diluted earnings	$ 3.91	$ 3.91	$ 13.07	$ 11.97
Shares used in earnings per share calculations (in millions):
Basic	271,173	285,958	274,171	293,583
Diluted	275,424	289,852	278,173	297,702