v3.26.3
Earnings Per Share - Schedule of Computations of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Earnings Per Share [Abstract]        
Net income attributable to HCA Healthcare, Inc. $ 1,579 $ 1,643 $ 4,898 $ 4,906
Weighted average common shares outstanding 214,592 232,891 219,540 239,615
Effect of dilutive incremental shares 2,620 3,290 2,657 2,844
Shares used for diluted earnings per share 217,212 236,181 222,197 242,459
Basic earnings $ 7.36 $ 7.05 $ 22.31 $ 20.47
Diluted earnings $ 7.27 $ 6.96 $ 22.05 $ 20.23