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. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation, beginning of year	$ 3,030	$ 3,321
Service cost	1	4	$ 5
Interest cost	49	66	103
Actuarial (gain) loss	(172)	12
Benefits paid	(502)	(373)
Projected benefit obligation, end of year	2,406	3,030	3,321
Fair value of plan assets, beginning of year	3,359	3,359
Actual return on plan assets	43	373
Company contributions	0	0
Benefits paid	(502)	(373)
Fair value of plan assets, end of year	2,900	3,359	3,359
Funded status at end of year	494	329
Other assets	494	329
Accounts payable and accrued liabilities	0	0
Other liabilities	0	0
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	494	329
Net actuarial loss	617	794
Prior service cost	0	0
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax	617	794
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation, beginning of year	673	681
Service cost	0	0	0
Interest cost	11	14	21
Actuarial (gain) loss	(32)	42
Benefits paid	(46)	(64)
Projected benefit obligation, end of year	606	673	681
Fair value of plan assets, beginning of year	0	0
Actual return on plan assets	0	0
Company contributions	46	64
Benefits paid	(46)	(64)
Fair value of plan assets, end of year	0	0	$ 0
Funded status at end of year	(606)	(673)
Other assets	0	0
Accounts payable and accrued liabilities	(47)	(49)
Other liabilities	(559)	(624)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	(606)	(673)
Net actuarial loss	257	301
Prior service cost	5	6
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax	$ 262	$ 307