v3.8.0.1
Gains (Losses) Related to Cash Flow Hedges (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Effective Portion        
Gains (losses) recognized in other comprehensive income (loss) (net of tax of $7, $3, $8, and $7) $ 14 $ (60) $ 29 $ 424
Designated Hedge Derivatives | Foreign Exchange Contracts        
Effective Portion        
Gains reclassified from accumulated other comprehensive income (loss) into revenue 8 167 138 414
Amount Excluded from Effectiveness Assessment and Ineffective Portion        
Losses recognized in other income (expense), net $ (62) $ (121) $ (226) $ (275)