SERP (Amounts Recognized In Accumulated Other Comprehensive Loss (Pre-tax)) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Actuarial (gain) loss	$ (34)	$ (14)	$ 7
Amortization of net loss and other	(4)	(8)	(9)
Amounts recognized in accumulated other comprehensive loss	$ (38)	$ (22)	$ (2)