Pension And Postretirement Benefits (Tables)

6 Months Ended

Jan. 31, 2021

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

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

	Three Months Ended								Six Months Ended
	Pension				Postretirement				Pension				Postretirement
	January 31, 2021		January 26, 2020		January 31, 2021		January 26, 2020		January 31, 2021		January 26, 2020		January 31, 2021		January 26, 2020
Service cost	$	4	$	5	$	—	$	—	$	9	$	10	$	—	$	—
Interest cost	10		17		1		1		20		34		2		3
Expected return on plan assets	(30)		(34)		—		—		(61)		(69)		—		—
Amortization of prior service cost	—		—		(1)		(7)		—		—		(2)		(14)
Settlement gains	(30)		(11)		—		—		(34)		(11)		—		—
Net periodic benefit expense (income)	$	(46)	$	(23)	$	—	$	(6)	$	(66)	$	(36)	$	—	$	(11)