Benefit Plans (Tables)

9 Months Ended

Oct. 31, 2020

Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]

Schedule of Costs of Retirement Plans

The defined contribution plan expense and actuarially determined components of the net periodic benefit cost (income) associated with the defined benefit plans are as follows:

	13 Weeks Ended				39 Weeks Ended
	October 31, 2020		November 2, 2019		October 31, 2020		November 2, 2019
	(millions)				(millions)
401(k) Qualified Defined Contribution Plan	$	17	$	25	$	49	$	74
Non-Qualified Defined Contribution Plan	$	—	$	—	$	—	$	2
Pension Plan
Service cost	$	1	$	2	$	4	$	4
Interest cost	13		26		51		78
Expected return on assets	(46)		(48)		(138)		(144)
Recognition of net actuarial loss	11		7		31		21
Amortization of prior service credit	—		—		—		—
	$	(21)	$	(13)	$	(52)	$	(41)
Supplementary Retirement Plan
Service cost	$	—	$	—	$	—	$	—
Interest cost	3		5		11		17
Recognition of net actuarial loss	3		2		9		6
Amortization of prior service cost	—		—		—		—
	$	6	$	7	$	20	$	23
Total Retirement Expense	$	2	$	19	$	17	$	58
Postretirement Obligations
Service cost	$	—	$	—	$	—	$	—
Interest cost	1		1		3		3
Recognition of net actuarial gain	(1)		(1)		(4)		(4)
Amortization of prior service credit	—		—		—		—
	$	—	$	—	$	(1)	$	(1)