Fair Value Measurements (Summary Of Carrying Value And Fair Value Estimate Of Long-Term Debt) (Details) - USD ($) $ in Millions	Oct. 29, 2022	Jan. 29, 2022	Oct. 30, 2021
Fair Value Measurements, Long-term Debt [Line Items]
Carrying value of long-term debt	$ 2,855	$ 2,853	$ 2,851
Level 2 [Member]
Fair Value Measurements, Long-term Debt [Line Items]
Fair value of long-term debt	$ 2,224	$ 2,758	$ 2,992

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant