Retirement Plans (Fair Value of Pension Plan Assets) (Details) - Pension Plans Defined Benefit Excluding Interest and Dividend Receivables and Pending Investment Purchases and Sales - USD ($) $ in Millions	Jan. 28, 2023	Jan. 29, 2022
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 2,359	$ 2,872
Level 2 | Short term investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	10
Level 2 | U.S. Treasury bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	41	121
Level 2 | Other Government bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	60	74
Level 2 | Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	1,592	1,877
Level 2 | Mortgage-backed securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	14	10
Level 2 | Asset-backed securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	1
Level 2 | Derivatives in a positive position
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	11	12
Level 2 | Derivatives in a negative position
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	(3)	(1)
Level 1 | Money market funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	78	206
Level 1 | U.S. pooled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	69	77
Level 1 | International pooled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	26	31
Level 1 | Pooled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	48	72
Fair Value Measured at Net Asset Value Per Share | Pooled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	271	164
Fair Value Measured at Net Asset Value Per Share | Real Estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	19	32
Fair Value Measured at Net Asset Value Per Share | Private equity
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 133	$ 186