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Basis of Presentation - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
1 Months Ended 3 Months Ended
Jan. 23, 2014
Mar. 31, 2014
Mar. 31, 2013
Feb. 08, 2013
Jan. 02, 2010
Summary Of Significant Accounting Policies [Line Items]          
Foreign currency exchange rate translation       6.30 4.30
Foreign currency impacts relating to highly inflationary accounting     $ 54    
Argentina peso devalued percentage against US Dollar 15.00% 23.00%      
Net revenue   8,641 8,744    
Minimum
         
Summary Of Significant Accounting Policies [Line Items]          
Foreign currency exchange rate translation   6.30      
Latin America
         
Summary Of Significant Accounting Policies [Line Items]          
Net revenue   1,356 1,398    
Argentina
         
Summary Of Significant Accounting Policies [Line Items]          
Net revenue   170      
Percentage of consolidated net revenues   2.00%      
SICAD I
         
Summary Of Significant Accounting Policies [Line Items]          
Foreign currency exchange rate translation   10.70      
SICAD I | Latin America
         
Summary Of Significant Accounting Policies [Line Items]          
Foreign currency exchange rate translation   10.70      
Foreign currency impacts relating to highly inflationary accounting   $ 142      
SICAD II
         
Summary Of Significant Accounting Policies [Line Items]          
Foreign currency exchange rate translation   50.85