Fair Values of Derivative Instruments (Detail) - USD ($)
$ in Millions |
Mar. 31, 2016 |
Jun. 30, 2015 |
| Short-term Investments |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
$ 73
|
$ 244
|
| Net amount, assets |
(27)
|
60
|
| Short-term Investments | Eligible for Offsetting |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
71
|
126
|
| Gross amounts of derivatives offset in the balance sheet, assets |
(98)
|
(66)
|
| Net amounts presented in the balance sheet, assets |
(27)
|
60
|
| Gross amounts of derivatives not offset in the balance sheet, assets |
0
|
0
|
| Cash collateral received, assets |
0
|
0
|
| Short-term Investments | Non-designated Hedge Derivatives |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
65
|
188
|
| Short-term Investments | Non-designated Hedge Derivatives | Foreign Exchange Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
22
|
17
|
| Short-term Investments | Non-designated Hedge Derivatives | Equity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
28
|
148
|
| Short-term Investments | Non-designated Hedge Derivatives | Interest Rate Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
7
|
7
|
| Short-term Investments | Non-designated Hedge Derivatives | Credit Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
6
|
16
|
| Short-term Investments | Non-designated Hedge Derivatives | Commodity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
2
|
0
|
| Short-term Investments | Designated Hedge Derivatives |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
8
|
56
|
| Short-term Investments | Designated Hedge Derivatives | Foreign Exchange Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
8
|
56
|
| Short-term Investments | Designated Hedge Derivatives | Equity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Other Current Assets |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
606
|
719
|
| Net amount, assets |
486
|
648
|
| Other Current Assets | Eligible for Offsetting |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
606
|
719
|
| Gross amounts of derivatives offset in the balance sheet, assets |
(120)
|
(71)
|
| Net amounts presented in the balance sheet, assets |
486
|
648
|
| Gross amounts of derivatives not offset in the balance sheet, assets |
0
|
0
|
| Cash collateral received, assets |
0
|
0
|
| Other Current Assets | Non-designated Hedge Derivatives |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
248
|
167
|
| Other Current Assets | Non-designated Hedge Derivatives | Foreign Exchange Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
248
|
167
|
| Other Current Assets | Non-designated Hedge Derivatives | Equity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Other Current Assets | Non-designated Hedge Derivatives | Interest Rate Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Other Current Assets | Non-designated Hedge Derivatives | Credit Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Other Current Assets | Non-designated Hedge Derivatives | Commodity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Other Current Assets | Designated Hedge Derivatives |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
358
|
552
|
| Other Current Assets | Designated Hedge Derivatives | Foreign Exchange Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
358
|
552
|
| Other Current Assets | Designated Hedge Derivatives | Equity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Equity and Other Investments |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
21
|
25
|
| Net amount, assets |
(4)
|
0
|
| Equity and Other Investments | Eligible for Offsetting |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
21
|
25
|
| Gross amounts of derivatives offset in the balance sheet, assets |
(25)
|
(25)
|
| Net amounts presented in the balance sheet, assets |
(4)
|
0
|
| Gross amounts of derivatives not offset in the balance sheet, assets |
0
|
0
|
| Cash collateral received, assets |
0
|
0
|
| Equity and Other Investments | Non-designated Hedge Derivatives |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Equity and Other Investments | Non-designated Hedge Derivatives | Foreign Exchange Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Equity and Other Investments | Non-designated Hedge Derivatives | Equity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Equity and Other Investments | Non-designated Hedge Derivatives | Interest Rate Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Equity and Other Investments | Non-designated Hedge Derivatives | Credit Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Equity and Other Investments | Non-designated Hedge Derivatives | Commodity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Equity and Other Investments | Designated Hedge Derivatives |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
21
|
25
|
| Equity and Other Investments | Designated Hedge Derivatives | Foreign Exchange Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
0
|
0
|
| Equity and Other Investments | Designated Hedge Derivatives | Equity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Assets |
21
|
25
|
| Other Current Liabilities |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
(375)
|
(218)
|
| Net amount, liabilities |
(396)
|
(513)
|
| Other Current Liabilities | Eligible for Offsetting |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
(375)
|
(218)
|
| Gross amounts of derivatives offset in the balance sheet, liabilities |
240
|
161
|
| Net amounts presented in the balance sheet, liabilities |
(135)
|
(57)
|
| Gross amounts of derivatives not offset in the balance sheet, liabilities |
0
|
0
|
| Cash collateral received, liabilities |
(261)
|
(456)
|
| Other Current Liabilities | Non-designated Hedge Derivatives |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
(231)
|
(118)
|
| Other Current Liabilities | Non-designated Hedge Derivatives | Foreign Exchange Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
(177)
|
(79)
|
| Other Current Liabilities | Non-designated Hedge Derivatives | Equity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
(27)
|
(18)
|
| Other Current Liabilities | Non-designated Hedge Derivatives | Interest Rate Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
(19)
|
(12)
|
| Other Current Liabilities | Non-designated Hedge Derivatives | Credit Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
(6)
|
(9)
|
| Other Current Liabilities | Non-designated Hedge Derivatives | Commodity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
(2)
|
0
|
| Other Current Liabilities | Designated Hedge Derivatives |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
(144)
|
(100)
|
| Other Current Liabilities | Designated Hedge Derivatives | Foreign Exchange Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
(112)
|
(31)
|
| Other Current Liabilities | Designated Hedge Derivatives | Equity Contracts |
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Derivative Liabilities |
$ (32)
|
$ (69)
|