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Share capital, dividends and earnings per share (Tables)
12 Months Ended
Dec. 31, 2023
Earnings per share [abstract]  
Movement in the shares
The following table shows the movement in the shares:
(shares in millions)(1)
Common stock shares outstandingTreasury stock sharesTotal shares
January 1, 2021489.2 10.5 499.7 
Settlement of equity-based awards0.9 (0.9)— 
December 31, 2021490.1 9.6 499.7 
Settlement of equity-based awards1.7 (1.7)— 
December 31, 2022491.8 7.9 499.7 
Settlement of equity-based awards1.5 (1.5) 
December 31, 2023493.2 6.4 499.7 
(1)Totals may not sum due to rounding.