| **Receivables**            | 9 Months Ended                                                                                                                                                                                                                                                                                                              |
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| **Receivables [Abstract]** |                                                                                                                                                                                                                                                                                                                        |
| Receivables                | ReceivablesReceivables are summarized below:  April 1, 2016 July 3, 2015 (In millions)Accounts receivable$732 $837Unbilled costs and accrued earnings on cost-plus contracts331 343 1,063 1,180Less allowances for collection losses(9) (12) $1,054 $1,168 |

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| - Definition
The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.
+ References
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| - References
No definition available.
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