XML 64 R54.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Other Comprehensive Income (Loss) (Reclassification) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other–net, (income) expense $ 28.8 $ 2.2
Total before tax 2,536.1 1,529.7
Tax benefit (293.2) (184.8)
Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Total reclassifications, net of tax 32.9 (9.5)
Amortization of retirement benefit items | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Total before tax 29.1 16.5
Tax benefit (6.1) (3.5)
Total reclassifications, net of tax 23.0 13.0
Prior service benefits, net | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other–net, (income) expense (0.9) (12.6)
Actuarial losses, net | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other–net, (income) expense 30.0 29.1
Other, net of tax | Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other–net, (income) expense $ 9.9 $ (22.5)