Retirement Plans (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Pension Plan) (Details) - Pension Plan [Member] - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation, beginning of year	$ 3,321	$ 3,011
Service cost	4	5	$ 5
Interest cost	66	103	109
Actuarial loss	12	463
Benefits paid	(373)	(261)
Projected benefit obligation, end of year	3,030	3,321	3,011
Fair value of plan assets, beginning of year	3,359	3,018
Actual return on plan assets	373	602
Company contributions	0	0
Benefits paid	(373)	(261)
Fair value of plan assets, end of year	3,359	3,359	$ 3,018
Funded status at end of year	329	38
Other assets	329	38
Net actuarial loss	$ 794	$ 1,086