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Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Shares Used in the Earnings Per Share Calculations The number of shares used in the earnings per share calculations are reconciled as follows:
For the three months ended September 30For the nine months ended September 30
(in millions)2022202120222021
Weighted-average basic shares outstanding930.0 666.9 929.9 666.7 
Dilutive effect of stock options2.9 2.9 2.9 3.1 
Weighted-average diluted shares outstanding932.9 669.8 932.8 669.8