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Restructuring Charges (Details Textuals) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Restructuring Charges [Abstract]      
Restructuring reserves $ 67 $ 197 $ 135
Restructuring charges, net of revisions (10) $ 125 $ 125
Restructuring programs in progress $ 223