Retirement Plans (Retirement Expenses) (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Total Retirement Expense	$ 74	$ 64	$ 43
Other Postretirement Benefits Plan [Member]
Total net periodic benefit cost	(2)	(1)	0
Pension Plan [Member]
Total net periodic benefit cost	(54)	(64)	(82)
Supplemental Employee Retirement Plan
Total net periodic benefit cost	30	31	31
Defined Contribution Qualified Plan [Member] | Other Postretirement Benefits Plan [Member]
Defined Contribution Plan, Cost	96	96	93
Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member]
Defined Contribution Plan, Cost	$ 2	$ 1	$ 1