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Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Earnings Per Share [Abstract]    
Net income attributable to Crown Holdings $ 102 $ 216
Weighted average shares outstanding:    
Basic (in shares) 119,200 123,600
Dilutive stock options and restricted stock (in shares) 400 800
Diluted (in shares) 119,600 124,400
Basic earnings per share (in dollars per share) $ 0.86 $ 1.75
Diluted earnings per share (in dollars per share) $ 0.85 $ 1.74
Shares excluded from the computation of diluted earnings per share (in shares) 80 100