Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2018

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, 2018, 2017 and 2016 (dollars and shares in millions, except per share amounts):

	2018		2017		2016
Net income attributable to HCA Healthcare, Inc.	$	3,787	$	2,216	$	2,890
Weighted average common shares outstanding		347.297		362.305		383.591
Effect of dilutive incremental shares		8.006		9.916		12.260
Shares used for diluted earnings per share		355.303		372.221		395.851
Earnings per share:
Basic earnings per share	$	10.90	$	6.12	$	7.53
Diluted earnings per share	$	10.66	$	5.95	$	7.30