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Company Restructuring - Restructuring Programs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]          
Restructuring and related charges $ (1) $ (71) $ (13) $ (122)  
Future work environment          
Restructuring Cost and Reserve [Line Items]          
Expected program charges 110   110    
Restructuring and related charges     (14)   $ (131)
Change in estimated program costs     47    
Remaining program charges $ 12   $ 12