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Supplemental Balance Sheet Data - Property Plant and Equipment (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment    
Land $ 168 $ 169
Buildings 3,026 2,993
Machinery and equipment 14,745 14,606
Construction in progress 766 760
Property, Plant and Equipment, Gross 18,705 18,528
Less accumulated depreciation (10,591) (10,431)
Total $ 8,114 $ 8,097