Retirement Plans (Narrative) (Details) $ in Millions	3 Months Ended	12 Months Ended
	Jul. 31, 2021 USD ($)	Jan. 28, 2023 USD ($) h	Jan. 29, 2022 USD ($)	Jan. 30, 2021 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of hours required for participation in defined benefit and defined contribution plans | h		1,000
Liability under qualified defined contribution plan		$ 94	$ 83
Settlement charges		39	96	$ 84
Defined benefit plan, amount of transferred pension plan assets	$ 256
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Settlement charges		$ 39	$ 96	$ 74
Expected long-term return on plan assets		4.60%	5.75%	6.25%
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		5.30%
Pension Plan | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation for equity securities in defined benefit plan		5.00%
Pension Plan | Debt Securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation for equity securities in defined benefit plan		87.00%
Pension Plan | Real Estate
Defined Benefit Plan Disclosure [Line Items]
Target allocation for equity securities in defined benefit plan		1.00%
Pension Plan | Private equity
Defined Benefit Plan Disclosure [Line Items]
Target allocation for equity securities in defined benefit plan		7.00%
401(k) Qualified Defined Contribution Plan | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Employee retirement plan expense		$ 86	$ 76	$ 68
Non-Qualified Defined Contribution Plan | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Employee retirement plan expense		1	1	$ 1
Investments		35	39
Non-Qualified Defined Contribution Plan | Other Postretirement Benefits Plan | Other Liabilities
Defined Benefit Plan Disclosure [Line Items]
Liability under non-qualified defined contribution plan		35	39
Non-Qualified Defined Contribution Plan | Other Postretirement Benefits Plan | Accounts Payable and Accrued Liabilities
Defined Benefit Plan Disclosure [Line Items]
Liability under non-qualified defined contribution plan		$ 1	$ 1