v3.20.1
Restructuring Plans (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Restructuring and Related Activities [Abstract]    
Restructuring charges $ 17 $ 167
Restructuring reserve activity    
Accrued balance beginning of the period 140  
Restructuring charges (17)  
Payments and other adjustments (38)  
Accrued balance end of the period $ 119