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Interest and Other Expense Net Within Results of Continuing Operations (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Debt Instrument [Line Items]        
Interest expense, debt $ 147 $ 192 $ 322 $ 394
Loss on debt extinguishment and related expenses   1 713 495
Net loss / (gain) on coffee business divestiture currency hedges     (607)  
Loss related to interest rate swaps     34  
Other expense, net 23 38 38 62
Total interest and other expense, net 314 224 700 944
Coffee Business        
Debt Instrument [Line Items]        
Net loss / (gain) on coffee business divestiture currency hedges $ 144 $ (7) $ (407) $ (7)