Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Net income (loss)	$ (91)	$ 2	$ (4,104)	$ 224
Actuarial loss on post employment and postretirement benefit plans, before tax	(36)	(70)	(17)	(70)
Amortization of net actuarial loss and prior service credit on post employment and postretirement benefit plans included in net income, before tax	13	8	36	23
Settlement charges, before tax	26	12	65	12
Tax effect related to items of other comprehensive income (loss)	(1)	13	(21)	9
Total other comprehensive income (loss), net of tax effect	2	(37)	63	(26)
Comprehensive Income (Loss)	$ (89)	$ (35)	$ (4,041)	$ 198