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Employee Benefit Plans - Actual and Target Allocations (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components $ 0    
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components 0    
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation 0    
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation 0    
Restructuring and other asset-related charges $ 19 $ 74 $ 161
U.S. Pension Benefits [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation of plan asset, percentage 100.00% 100.00%  
International Pension Benefits [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation of plan asset, percentage 100.00% 100.00%  
Equity Securities [Member] | U.S. Pension Benefits [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation of plan asset, percentage 0.00% 0.00%  
Target Asset Allocation, Equity securities, Minimum 0.00%    
Target Asset Allocation, Equity securities, Maximum 0.00%    
Equity Securities [Member] | International Pension Benefits [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation of plan asset, percentage 23.00% 24.00%  
Target Asset Allocation, Equity securities, Minimum 16.00%    
Target Asset Allocation, Equity securities, Maximum 26.00%    
Debt Securities [Member] | U.S. Pension Benefits [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation of plan asset, percentage 96.00% 96.00%  
Target Asset Allocation, Equity securities, Minimum 95.00%    
Target Asset Allocation, Equity securities, Maximum 100.00%    
Debt Securities [Member] | International Pension Benefits [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation of plan asset, percentage 52.00% 50.00%  
Target Asset Allocation, Equity securities, Minimum 50.00%    
Target Asset Allocation, Equity securities, Maximum 60.00%    
Real Estate [Member] | U.S. Pension Benefits [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation of plan asset, percentage 1.00% 1.00%  
Target Asset Allocation, Equity securities, Minimum 0.00%    
Target Asset Allocation, Equity securities, Maximum 2.00%    
Real Estate [Member] | International Pension Benefits [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation of plan asset, percentage 13.00% 13.00%  
Target Asset Allocation, Equity securities, Minimum 8.00%    
Target Asset Allocation, Equity securities, Maximum 14.00%    
Other [Member] | U.S. Pension Benefits [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation of plan asset, percentage 3.00% 3.00%  
Target Asset Allocation, Equity securities, Minimum 0.00%    
Target Asset Allocation, Equity securities, Maximum 3.00%    
Other [Member] | International Pension Benefits [Member]      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Allocation of plan asset, percentage 12.00% 13.00%  
Target Asset Allocation, Equity securities, Minimum 11.00%    
Target Asset Allocation, Equity securities, Maximum 17.00%