Pension And Postretirement Benefits (Tables)

3 Months Ended

Oct. 29, 2017

Pension Plan, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

Components of net benefit expense (income) were as follows:

	Three Months Ended
	Pension						Postretirement
	October 29, 2017			October 30, 2016			October 29, 2017			October 30, 2016
Service cost	$	6		$	6		$	—		$	—
Interest cost	19			22			2			3
Expected return on plan assets	(36		)	(36		)	—			—
Amortization of prior service credit	—			—			(7		)	(6		)
Net periodic benefit income	$	(11	)	$	(8	)	$	(5	)	$	(3	)

Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

Components of net benefit expense (income) were as follows:

	Three Months Ended
	Pension						Postretirement
	October 29, 2017			October 30, 2016			October 29, 2017			October 30, 2016
Service cost	$	6		$	6		$	—		$	—
Interest cost	19			22			2			3
Expected return on plan assets	(36		)	(36		)	—			—
Amortization of prior service credit	—			—			(7		)	(6		)
Net periodic benefit income	$	(11	)	$	(8	)	$	(5	)	$	(3	)