Pension And Postretirement Benefits (Narrative) (Details) - Non-U.S. Pension Plan, Defined Benefit [Member] $ in Millions	3 Months Ended
	Oct. 30, 2016 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Contributions by Employer	$ 1
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year	$ 3