Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 1,536	$ 611	$ 1,070
Actuarial gain (loss) and prior service cost on post employment and postretirement benefit plans, net of tax effect	82	65	0
Amortization of net actuarial loss on post employment and postretirement benefit plans, after tax	22	22	29
Settlement charges, net of tax effect	68	60	0
Total other comprehensive income (loss)	172	147	29
Comprehensive income	1,708	758	1,099
Comprehensive loss attributable to noncontrolling interest	11	8	2
Comprehensive income attributable to Macy's, Inc. shareholders	$ 1,719	$ 766	$ 1,101