Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 239	$ (91)	$ 687	$ (4,104)
Actuarial gain (loss) on post employment and postretirement benefit plans, before tax	(9)	(36)	53	(17)
Amortization of net actuarial loss and prior service credit on post employment and postretirement benefit plans included in net income (loss), before tax	7	13	27	36
Settlement charges, before tax	8	26	90	65
Tax effect related to items of other comprehensive income	(2)	(1)	(43)	(21)
Total other comprehensive income, net of tax effect	4	2	127	63
Comprehensive income (loss)	$ 243	$ (89)	$ 814	$ (4,041)