Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000202058 (http://www.sec.gov/CIK)

Inventory, Net [Abstract]	Period [Axis]
	2015-07-04 - 2016-07-01
Inventory, Net [Abstract]
Inventories	Inventories are summarized below:   2016   2015           (In millions) Unbilled costs and accrued earnings on fixed-price contracts $ 512   $ 463 Finished products 129   100 Work in process 123   256 Raw materials and supplies 200   196   $ 964   $ 1,015