v3.6.0.2
Restructuring Actions - Roll Forward (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Restructuring Reserve [Roll Forward]    
Restructuring action balances, Beginning Balance $ 63  
Expenses incurred   $ 114
Non-cash changes   (24)
Cash payments (57) (27)
Restructuring action balances, Ending Balance 6 63
Employee-Related    
Restructuring Reserve [Roll Forward]    
Restructuring action balances, Beginning Balance 63  
Expenses incurred   98
Non-cash changes   (8)
Cash payments (57) (27)
Restructuring action balances, Ending Balance $ 6 63
Asset-Related    
Restructuring Reserve [Roll Forward]    
Expenses incurred   16
Non-cash changes   $ (16)