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Benefit Plans (Details 3) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
item
Dec. 31, 2012
Dec. 31, 2011
Benefit obligation      
Gain from change in benefit plan   $ 5 $ 30
Multiemployer Plans      
Multiemployer benefit plan that company contributes to 1    
Multiemployer Plan contributions 12 12 9
Postretirement Benefit Plans
     
Benefit obligation      
Balance at the beginning of the period 74 54  
Service cost 3 2 2
Interest cost 4 3 4
Curtailment/settlement (1)    
Actuarial (gain) loss (15) 17  
Benefits paid (3) (2)  
Foreign currency translation (5)    
Balance at the end of the period 57 74 54
Funded status (57) (74)  
Amounts recognized in the Consolidated Balance Sheets      
Current liabilities (2) (2)  
Non-current liabilities (55) (72)  
Net asset (liability) recognized (57) (74)  
Amounts recognized in Accumulated Other Comprehensive Loss, excluding tax effects, that have not yet been recognized as components of net periodic benefit cost      
Net actuarial loss 7 26  
Prior service cost   1  
Net amount recognized 7 27  
Components of Net Periodic Benefit Cost      
Service cost 3 2 2
Interest cost 4 3 4
Amortization of actuarial loss (gain) 1 1 (1)
Amortization of prior service cost     1
Settlement/curtailment     (31)
Net periodic benefit cost 8 6 (25)
Amount related to the amortization of the entity's accumulated actuarial loss included in accumulated other comprehensive loss that will be recognized in net pension expense in next fiscal year 0.2    
Amount related to the amortization of prior service cost included in accumulated other comprehensive loss that will be recognized in net pension expense in next fiscal year 0.1    
Amounts recorded in other comprehensive income and net periodic benefit cost      
Net actuarial gain (15)    
Amortization of actuarial loss (1)    
Amortization of prior service cost (1)    
Foreign currency translation (3)    
Total recorded in other comprehensive income (20)    
Net periodic benefit cost 8 6 (25)
Total recorded in other comprehensive income and net periodic benefit cost (12)    
Weighted average assumptions used to determine the company's obligations      
Discount rate (as a percent) 6.47% 5.44%  
Weighted average assumptions used to determine the company's net periodic benefit cost      
Discount rate (as a percent) 5.44% 6.23% 5.69%
Sensitivity to Trend Assumptions      
One-percentage point increase, effect on service cost and interest cost components 1    
One-percentage point increase, effect on year-end benefit obligations 6    
One-percentage point decrease, effect on service cost and interest cost components (1)    
One-percentage point decrease, effect on year-end benefit obligations (4)    
Expected future benefit payments      
2014 2    
2015 3    
2016 3    
2017 3    
2018 3    
Years 2019 - 2023 $ 21    
US Postretirement Benefit Plans
     
Assumptions used in measuring benefit obligation      
2014 increase in per capita cost (as a percent) 6.90%    
Ultimate trend (as a percent) 4.50%    
Canada Postretirement Benefit Plans
     
Assumptions used in measuring benefit obligation      
2014 increase in per capita cost (as a percent) 7.20%    
Ultimate trend (as a percent) 4.50%    
Brazil Postretirement Benefit Plans
     
Assumptions used in measuring benefit obligation      
2014 increase in per capita cost (as a percent) 8.66%    
Ultimate trend (as a percent) 8.66%