Estimated Future Amortization Expense Related to Intangible Assets (Detail) - USD ($) $ in Millions |
Mar. 31, 2016 |
Jun. 30, 2015 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Year Ending June 30,2016 (excluding the nine months ended March 31, 2016) | $ 247 | |
| Year Ending June 30, 2017 | 861 | |
| Year Ending June 30, 2018 | 753 | |
| Year Ending June 30, 2019 | 602 | |
| Year Ending June 30, 2020 | 522 | |
| Thereafter | 1,474 | |
| Net Carrying Amount | $ 4,459 | $ 4,835 |