Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2022	May 01, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 286	$ 103
Amortization of net actuarial loss and prior service credit on post employment and postretirement benefit plans included in net income, before tax	5	10
Tax effect related to items of other comprehensive income	(1)	(2)
Total other comprehensive income, net of tax effect	4	8
Comprehensive income	$ 290	$ 111