Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019
Net income (loss)	$ (431)	$ 86	$ (4,012)	$ 223
Actuarial gain (loss) on postretirement benefit plans, before tax	19	0	19	0
Amortization of net actuarial loss and prior service credit on post employment and postretirement benefit plans included in net income, before tax	11	7	23	15
Settlement charges, before tax	38	0	38	0
Tax effect related to items of other comprehensive income	(17)	(2)	(20)	(4)
Total other comprehensive loss, net of tax effect	51	5	60	11
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (380)	$ 91	$ (3,952)	$ 234