Earnings Per Share - Additional Information (Details) - Stock Options, RSUs and MSUs shares in Millions	3 Months Ended
	Mar. 31, 2021 shares	Mar. 31, 2020 shares
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	17.8	17.0
Certain Performance-Based Awards
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	0.1	0.8
2026 Senior Notes | Maximum
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Cap price	107.36