Finite-Lived Intangible Assets (Parenthetical) (Detail) - USD ($) $ in Millions |
Mar. 31, 2016 |
Jun. 30, 2015 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Net Carrying Amount | $ 4,459 | $ 4,835 |
| Software to be sold, leased, or otherwise marketed | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Net Carrying Amount | $ 128 | $ 116 |