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Earnings Per Share (EPS) (Tables)
9 Months Ended
Sep. 30, 2024
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares The following table summarizes the weighted-average number of ordinary shares outstanding for basic and diluted earnings per share calculations for the three and nine months ended September 30:
Three months endedNine months ended
In millions, except per share amounts2024202320242023
Weighted-average number of basic shares225.8 228.6 226.6 228.8 
Shares issuable under incentive share plans2.2 2.0 2.2 2.1 
Weighted-average number of diluted shares228.0 230.6 228.8 230.9 
Anti-dilutive shares— 0.2 0.1 0.6 
Dividends declared per ordinary share$— $— $2.52 $2.25