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Earnings Per Share - Narrative (Details) - shares
shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Underwater Stock Options        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Equivalent shares excluded from weighted average shares outstanding (in shares) 2 2 2 2