Gains (Losses) Related to Cash Flow Hedges (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Effective Portion | ||||
| Gains recognized in other comprehensive income (loss) (net of tax of $1, $3, $1, and $4) | $ 10 | $ 449 | $ 15 | $ 484 |
| Designated Hedge Derivatives | Foreign Exchange Contracts | ||||
| Effective Portion | ||||
| Gains reclassified from accumulated other comprehensive income (loss) into revenue | 19 | 172 | 130 | 247 |
| Amount Excluded from Effectiveness Assessment and Ineffective Portion | ||||
| Losses recognized in other income (expense), net | $ (73) | $ (84) | $ (164) | $ (154) |