Retirement Plans - Amounts Recognized In The Balance Sheet (Details) - USD ($) $ in Millions	Jan. 29, 2021	Jan. 31, 2020
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Other accrued liabilities	$ 0	$ 0
Other long-term liabilities	15	23
Net amount recognized	15	23
Retiree Health Reimbursement Account Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Other accrued liabilities	1	1
Other long-term liabilities	13	16
Net amount recognized	$ 14	$ 17