Retirement Plans (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Supplementary Retirement Plan) (Details) - Supplemental Employee Retirement Plan - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Projected benefit obligation, beginning of year	$ 681	$ 644
Service cost	0	0	$ 0
Interest cost	14	21	23
Actuarial loss	42	87
Benefits paid	(64)	(71)
Projected benefit obligation, end of year	673	681	644
Fair value of plan assets, beginning of year	0	0
Company contributions	64	71
Fair value of plan assets, end of year	0	0	$ 0
Funded status at end of year	(673)	(681)
Accounts payable and accrued liabilities	(49)	(55)
Other liabilities	(624)	(626)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	(673)	(681)
Net actuarial loss	301	283
Prior service cost	6	6
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax	$ 307	$ 289