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Earnings Per Share - Schedule of Anti-Dilutive Shares Excluded from Diluted Per Share Amounts (Details) - shares
shares in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Stock options restricted stock and convertible senior notes      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive shares excluded from diluted per share amounts (in shares) 4.1 2.5 2.1