Retirement Plans (Tables)

6 Months Ended

Jul. 29, 2023

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				26 Weeks Ended
	July 29, 2023		July 30, 2022		July 29, 2023		July 30, 2022
	(millions)
401(k) Qualified Defined Contribution Plan	$	21	$	23	$	44	$	45
Pension Plan
Interest cost	$	22	$	15	44		29
Expected return on assets	(34)		(31)		(68)		(62)
Recognition of net actuarial loss	1		4		3		8
	$	(11)	$	(12)	$	(21)	$	(25)
Supplementary Retirement Plan
Interest cost	$	6	$	3	$	11	$	7
Recognition of net actuarial loss	2		3		4		6
	$	8	$	6	$	15	$	13
Total Retirement Expense	$	18	$	17	$	38	$	33
Postretirement Obligations
Interest cost	$	1	$	1	$	2	$	1
Recognition of net actuarial gain	(1)		(2)		(3)		(3)
Amortization of prior service credit	(1)		—		(1)		—
	$	(1)	$	(1)	$	(2)	$	(2)