Gains (Losses) Related to Cash Flow Hedges (Parenthetical) (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
Mar. 31, 2016 |
Mar. 31, 2015 |
|
| Designated Hedge Derivatives | Foreign Exchange Contracts | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Gains (losses) recognized in OCI, tax effects | $ (19) | $ 25 | $ 24 | $ 37 |