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Retirement Plans and Profit Sharing Arrangements - Amounts recognized in Balance Sheets (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Pension Plans    
Amounts recognized in Consolidated Balance Sheets    
Benefit liability $ (169) $ (215)
Benefit asset 106 101
Net amount recognized (63) (114)
Other Postretirement Plans    
Amounts recognized in Consolidated Balance Sheets    
Benefit liability (11) (11)
Benefit asset 0 0
Net amount recognized $ (11) $ (11)