Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $) | Dec. 31, 2014 | Jun. 30, 2014 |
In Millions, unless otherwise specified |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | $97,350 | | $92,164 | |
Gross | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 97,768 | | 92,319 | |
Gross | Derivatives and other | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Liabilities | 508 | | 284 | |
Gross | Mutual funds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 651 | | 590 | |
Gross | Commercial paper | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 144 | | 189 | |
Gross | Certificates of deposit | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 1,248 | | 1,197 | |
Gross | U.S. government and agency securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 68,318 | | 67,033 | |
Gross | Foreign government bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 4,947 | | 3,349 | |
Gross | Mortgage- and asset-backed securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 2,870 | | 1,073 | |
Gross | Corporate notes and bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 6,877 | | 6,805 | |
Gross | Municipal securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 340 | | 332 | |
Gross | Common and preferred stock | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 11,013 | | 11,391 | |
Gross | Derivatives | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 1,360 | | 360 | |
Gross | Level 1 | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 77,415 | | 76,574 | |
Gross | Level 1 | Derivatives and other | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Liabilities | 17 | | 5 | |
Gross | Level 1 | Mutual funds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 651 | | 590 | |
Gross | Level 1 | Commercial paper | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 1 | Certificates of deposit | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 1 | U.S. government and agency securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 67,714 | | 66,288 | |
Gross | Level 1 | Foreign government bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 131 | | 139 | |
Gross | Level 1 | Mortgage- and asset-backed securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 1 | Corporate notes and bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 1 | Municipal securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 1 | Common and preferred stock | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 8,915 | | 9,552 | |
Gross | Level 1 | Derivatives | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 4 | | 5 | |
Gross | Level 2 | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 20,291 | | 15,724 | |
Gross | Level 2 | Derivatives and other | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Liabilities | 357 | | 153 | |
Gross | Level 2 | Mutual funds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 2 | Commercial paper | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 144 | | 189 | |
Gross | Level 2 | Certificates of deposit | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 1,248 | | 1,197 | |
Gross | Level 2 | U.S. government and agency securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 604 | | 745 | |
Gross | Level 2 | Foreign government bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 4,816 | | 3,210 | |
Gross | Level 2 | Mortgage- and asset-backed securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 2,870 | | 1,073 | |
Gross | Level 2 | Corporate notes and bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 6,877 | | 6,805 | |
Gross | Level 2 | Municipal securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 340 | | 332 | |
Gross | Level 2 | Common and preferred stock | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 2,084 | | 1,825 | |
Gross | Level 2 | Derivatives | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 1,308 | | 348 | |
Gross | Level 3 | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 62 | | 21 | |
Gross | Level 3 | Derivatives and other | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Liabilities | 134 | | 126 | |
Gross | Level 3 | Mutual funds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 3 | Commercial paper | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 3 | Certificates of deposit | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 3 | U.S. government and agency securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 3 | Foreign government bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 3 | Mortgage- and asset-backed securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 3 | Corporate notes and bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 3 | Municipal securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | | 0 | |
Gross | Level 3 | Common and preferred stock | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 14 | | 14 | |
Gross | Level 3 | Derivatives | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 48 | | 7 | |
Netting | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | -418 | [1] | -155 | [1] |
Netting | Derivatives and other | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Liabilities | -418 | [1] | -155 | [1] |
Netting | Mutual funds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | [1] | 0 | [1] |
Netting | Commercial paper | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | [1] | 0 | [1] |
Netting | Certificates of deposit | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | [1] | 0 | [1] |
Netting | U.S. government and agency securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | [1] | 0 | [1] |
Netting | Foreign government bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | [1] | 0 | [1] |
Netting | Mortgage- and asset-backed securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | [1] | 0 | [1] |
Netting | Corporate notes and bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | [1] | 0 | [1] |
Netting | Municipal securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | [1] | 0 | [1] |
Netting | Common and preferred stock | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 0 | [1] | 0 | [1] |
Netting | Derivatives | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | -418 | [1] | -155 | [1] |
Net | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 97,350 | | 92,164 | |
Net | Derivatives and other | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Liabilities | 90 | | 129 | |
Net | Mutual funds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 651 | | 590 | |
Net | Commercial paper | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 144 | | 189 | |
Net | Certificates of deposit | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 1,248 | | 1,197 | |
Net | U.S. government and agency securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 68,318 | | 67,033 | |
Net | Foreign government bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 4,947 | | 3,349 | |
Net | Mortgage- and asset-backed securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 2,870 | | 1,073 | |
Net | Corporate notes and bonds | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 6,877 | | 6,805 | |
Net | Municipal securities | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 340 | | 332 | |
Net | Common and preferred stock | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | 11,013 | | 11,391 | |
Net | Derivatives | | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | | |
Assets | $942 | | $205 | |
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[1] | These amounts represent the impact of netting derivative assets and derivative liabilities when a legally enforceable master netting agreement exists and fair value adjustments related to our own credit risk and counterparty credit risk. |