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Pension and Other Postretirement Benefits (Schedule of Accumulated Benefit Obligations in Excess of Plan Assets) (Details) - Pension Plan - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
U.S. Plans    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Projected benefit obligations $ 1,413 $ 1,505
Accumulated benefit obligations 1,361 1,445
Fair value of plan assets 1,177 1,152
Non-U.S. Plans    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Projected benefit obligations 284 354
Accumulated benefit obligations 253 320
Fair value of plan assets $ 147 $ 191