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Earnings Per Share (EPS)
 3 Months Ended
Mar. 31, 2025
Earnings Per Share [Abstract]  
Earnings Per Share (EPS) Earnings Per Share (EPS)
Basic EPS is calculated by dividing Net earnings attributable to Trane Technologies plc by the weighted-average number of ordinary shares outstanding for the applicable period. Diluted EPS is calculated after adjusting the denominator of the basic EPS calculation for the effect of all potentially dilutive ordinary shares, which in the Company's case, includes shares issuable under share-based compensation plans. The following table summarizes the weighted-average number of ordinary shares outstanding for basic and diluted earnings per share calculations for the three months ended March 31:
Three months ended
In millions, except per share amounts20252024
Weighted-average number of basic shares224.4 227.4 
Shares issuable under incentive share plans2.0 2.1 
Weighted-average number of diluted shares226.4 229.5 
Anti-dilutive shares0.3 0.3 
Dividends declared per ordinary share$0.94 $0.84