Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of Computations of Basic and Diluted Earnings Per Share

 The following table sets forth the computations of basic and diluted earnings per share for the years ended December 31, 2020, 2019 and 2018 (dollars and shares in millions, except per share amounts):

	2020		2019		2018
Net income attributable to HCA Healthcare, Inc.	$	3,754	$	3,505	$	3,787
Weighted average common shares outstanding		338.274		341.210		347.297
Effect of dilutive incremental shares		5.331		7.016		8.006
Shares used for diluted earnings per share		343.605		348.226		355.303
Earnings per share:
Basic earnings per share	$	11.10	$	10.27	$	10.90
Diluted earnings per share	$	10.93	$	10.07	$	10.66