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Basis of Presentation - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended
Jan. 23, 2014
Jun. 30, 2014
Jun. 30, 2013
Mar. 31, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Feb. 08, 2013
Jan. 02, 2010
Jun. 30, 2013
Correction
Jun. 30, 2013
Correction
Dec. 31, 2013
Prior Periods
Correction
Jun. 30, 2014
ARGENTINA
Jun. 30, 2014
ARGENTINA
Jun. 30, 2014
SICAD I
Mar. 31, 2014
SICAD I
Latin America
Jun. 30, 2014
SICAD II
Summary Of Significant Accounting Policies [Line Items]                                  
Increase in cumulative net earnings   $ 642 $ 602   $ 792 $ 1,144 $ 3,935     $ (15) $ (47) $ 94          
Foreign currency exchange rate translation   6.30     6.30     6.30 4.30           10.60 10.70 49.98
Foreign currency impacts relating to highly inflationary accounting       (54)                       (142)  
Argentina peso devalued percentage against US Dollar 15.00%       25.00%                        
Net revenue   $ 8,436 $ 8,595   $ 17,077 $ 17,339             $ 170 $ 340      
Percentage of consolidated net revenues                         2.00% 2.00%