Retirement Plans (Reconciliation of Benefit Obligations, Plan Assets, and Funded Status of The Pension Plan and SERP) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Pension Plan
Change in projected benefit obligation
Projected benefit obligation, beginning of year	$ 2,406	$ 3,030
Service cost	0	1	$ 4
Interest cost	68	49	66
Actuarial gain	(301)	(172)
Benefits paid	(194)	(502)
Projected benefit obligation, end of year	1,979	2,406	3,030
Changes in plan assets
Fair value of plan assets, beginning of year	2,900	3,359
Actual return (loss) on plan assets	(317)	43
Company contributions	0	0
Benefits paid	(194)	(502)
Fair value of plan assets, end of year	2,389	2,900	3,359
Funded status at end of year	410	494
Amounts recognized in the Consolidated Balance Sheets at January 28, 2023 and January 29, 2022
Other assets	410	494
Accounts payable and accrued liabilities	0	0
Other liabilities	0	0
Defined benefit plan, asset (liability) recognized in the Consolidated Balance Sheets	410	494
Amounts recognized in accumulated other comprehensive loss at January 28, 2023 and January 29, 2022
Net actuarial loss	704	617
Prior service cost	0	0
Defined benefit plan, amounts recognized in accumulated other comprehensive loss	704	617
SERP
Change in projected benefit obligation
Projected benefit obligation, beginning of year	606	673
Service cost	0	0	0
Interest cost	15	11	14
Actuarial gain	(71)	(32)
Benefits paid	(42)	(46)
Projected benefit obligation, end of year	508	606	673
Changes in plan assets
Fair value of plan assets, beginning of year	0	0
Actual return (loss) on plan assets	0	0
Company contributions	42	46
Benefits paid	(42)	(46)
Fair value of plan assets, end of year	0	0	$ 0
Funded status at end of year	(508)	(606)
Amounts recognized in the Consolidated Balance Sheets at January 28, 2023 and January 29, 2022
Other assets	0	0
Accounts payable and accrued liabilities	(48)	(47)
Other liabilities	(460)	(559)
Defined benefit plan, asset (liability) recognized in the Consolidated Balance Sheets	(508)	(606)
Amounts recognized in accumulated other comprehensive loss at January 28, 2023 and January 29, 2022
Net actuarial loss	175	257
Prior service cost	5	5
Defined benefit plan, amounts recognized in accumulated other comprehensive loss	$ 180	$ 262