Retirement Plans (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Defined Benefit Plan Disclosure [Line Items]
Number of hours required for participation in defined benefit and defined contribution plans	1,000 hours or more
Liability under qualified defined contribution plan	$ 74	$ 104
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year	$ 35
Expected long-term return on plan assets	6.25%	6.50%	6.75%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Change Due to Subsequent Interim Measurement, Weighted-Average Expected Long-term Rate of Return on Plan Assets	5.75%
Unfunded commitments to certain of these investments	$ 39	$ 43
Pension Plan [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Range of investment lock-up period, in years	1 year	1 year
Pension Plan [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Range of investment lock-up period, in years	8 years	8 years
Pension Plan [Member] | Equity securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocation for equity securities in defined benefit plan	21.00%
Pension Plan [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocation for equity securities in defined benefit plan	74.00%
Pension Plan [Member] | Real Estate Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocation for equity securities in defined benefit plan	2.00%
Pension Plan [Member] | Private equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocation for equity securities in defined benefit plan	3.00%
Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation for defined benefit plan	$ 673	$ 681
Defined Contribution Qualified Plan [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee retirement plan expense	68	96	$ 96
Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee retirement plan expense	1	2	$ 1
Investments	36	34
Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member] | Other Liabilities [Member]
Defined Benefit Plan Disclosure [Line Items]
Liability under non-qualified defined contribution plan	36	34
Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member] | Accounts Payable and Accrued Liabilities [Member]
Defined Benefit Plan Disclosure [Line Items]
Liability under non-qualified defined contribution plan	$ 1	$ 2