Retirement Plans (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Supplementary Retirement Plan) (Details) (Supplementary Retirement Plan [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 01, 2014	Feb. 02, 2013
Funded status at end of year	$ (770)	$ (795)
Accounts payable and accrued liabilities	59	58
Defined Benefit Pension Plan, Liabilities, Noncurrent	(711)	(737)
Defined Benefit Plan, Amounts Recognized in Balance Sheet	770	(795)
Net actuarial (gain) loss	176	212
Prior service credit	8	0
Total included in accumulated other comprehensive income	184	212
Change in projected benefit obligation [Member]
Projected benefit obligation, beginning of year	795	771
Service cost	6	6
Interest cost	32	35
Actuarial loss	(17)	76
Defined Benefit Plan, Plan Amendments	8	0
Benefits paid	(54)	(51)
Actuarial gain due to curtailment	0	(42)
Projected benefit obligation, end of year	770	795
Fair value of plan assets [Member]
Benefits paid	(54)	(51)
Fair value of plan assets, beginning of year	0	0
Company contributions	54	51
Fair value of plan assets, end of year	$ 0	$ 0