Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Revenues	$ 14,945	$ 13,977
Salaries and benefits	6,939	6,301
Supplies	2,321	2,224
Other operating expenses	2,752	2,421
Equity in earnings of affiliates	(11)	(21)
Depreciation and amortization	732	697
Interest expense	408	384
Gains on sales of facilities	(10)	(2)
Total expenses including equity in earnings of affiliates	13,131	12,004
Income before income taxes	1,814	1,973
Provision for income taxes	349	393
Net income	1,465	1,580
Net income attributable to noncontrolling interests	192	157
Net income attributable to HCA Healthcare, Inc.	$ 1,273	$ 1,423
Per share data:
Basic earnings	$ 4.21	$ 4.21
Diluted earnings	$ 4.14	$ 4.14
Shares used in earnings per share calculations (in millions):
Basic	302,446	338,123
Diluted	307,374	343,321