XML 129 R101.htm IDEA: XBRL DOCUMENT v3.22.0.1
Retirement Benefits (Schedule of Expected Benefit Payments, Contributions and Expense) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract]      
Projected benefit obligation $ 3,360.3 $ 15,770.7  
Fair value of plan assets 1,542.8 11,824.4  
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]      
Fair value of plan assets 1,542.8 11,824.4  
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax [Abstract]      
Total other comprehensive income (loss) during period 2,699.4 (157.1) $ (970.0)
Defined Benefit Pension Plans      
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
2022 631.9    
2023 641.8    
2024 669.4    
2025 686.6    
2026 707.5    
2027-2031 3,919.7    
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract]      
Fair value of plan assets 973.4 11,824.4  
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]      
Accumulated benefit obligation 2,532.0 14,682.3  
Fair value of plan assets 973.4 11,824.4  
Components of net periodic (benefit) cost:      
Service cost 369.2 325.5 250.4
Interest cost 337.8 425.8 486.0
Expected return on plan assets (949.3) (901.5) (839.6)
Amortization of prior service (benefit) cost 4.2 4.5 6.1
Recognized actuarial (gain) loss 487.7 396.3 284.9
Curtailment loss 0.0 0.0 2.2
Net periodic (benefit) cost 249.6 250.6 190.0
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax [Abstract]      
Actuarial gain (loss) arising during period 2,072.4 (663.0) (1,461.0)
Plan amendments during period 0.0 (2.2) 0.0
Curtailment gain 0.0 0.0 19.0
Amortization of prior service (benefit) cost included in net income 4.2 4.5 6.1
Amortization of net actuarial (gain) loss included in net income 487.7 396.3 284.9
Foreign currency exchange rate changes and other 47.2 (71.5) (7.7)
Total other comprehensive income (loss) during period 2,611.5 (335.9) (1,158.7)
Retiree Health Benefit Plans      
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
2022 89.4    
2023 89.5    
2024 93.1    
2025 93.9    
2026 94.5    
2027-2031 477.7    
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract]      
Fair value of plan assets 0.0 0.0  
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]      
Accumulated benefit obligation 212.6 223.8  
Fair value of plan assets 0.0 0.0  
Components of net periodic (benefit) cost:      
Service cost 49.2 40.8 36.3
Interest cost 32.5 43.7 58.0
Expected return on plan assets (146.2) (158.1) (144.3)
Amortization of prior service (benefit) cost (59.6) (59.5) (62.9)
Recognized actuarial (gain) loss 3.2 (3.0) 1.9
Curtailment loss 0.0 0.0 0.0
Net periodic (benefit) cost (120.9) (136.1) (111.0)
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax [Abstract]      
Actuarial gain (loss) arising during period 142.5 238.8 246.1
Plan amendments during period 0.0 0.0 0.0
Curtailment gain 0.0 0.0 0.0
Amortization of prior service (benefit) cost included in net income (59.6) (59.5) (62.9)
Amortization of net actuarial (gain) loss included in net income 3.2 (3.0) 1.9
Foreign currency exchange rate changes and other 1.9 2.4 3.6
Total other comprehensive income (loss) during period $ 88.0 $ 178.7 $ 188.7