| **Inventories**               | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
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| **Inventory, Net [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| INVENTORIES                   | INVENTORIESInventories are summarized below: 2016 2015     (In millions)Unbilled costs and accrued earnings on fixed-price contracts$512 $463Finished products129 100Work in process123 256Raw materials and supplies200 196 $964 $1,015Unbilled costs and accrued earnings on fixed-price contracts were net of progress payments of $91 million at July 1, 2016 and $85 million at July 3, 2015. |

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| - Definition
The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766
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| - References
No definition available.
+ Details**Name:**us-gaap_InventoryNetAbstract**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |