Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018
Income Statement [Abstract]
Net sales	$ 5,173	$ 5,404	$ 16,223	$ 16,516
Credit card revenues, net	183	185	531	528
Cost of sales	(3,106)	(3,226)	(9,905)	(9,927)
Selling, general and administrative expenses	(2,202)	(2,255)	(6,489)	(6,501)
Gains on sale of real estate	17	42	67	111
Impairment, restructuring and other costs	(13)	(3)	(16)	(39)
Operating income	52	147	411	688
Benefit plan income, net	8	9	23	31
Settlement charges	(12)	(23)	(12)	(73)
Interest expense	(52)	(64)	(159)	(204)
Loss on early retirement of debt	0	0	0	(5)
Interest income	4	5	16	17
Income before income taxes	0	74	279	454
Federal, state and local income tax benefit (expense)	2	(12)	(55)	(96)
Net income	2	62	224	358
Net loss attributable to noncontrolling interest	0	0	0	10
Net income attributable to Macy's, Inc. shareholders	$ 2	$ 62	$ 224	$ 368
Basic earnings per share attributable to Macy's, Inc. shareholders	$ 0.01	$ 0.20	$ 0.72	$ 1.20
Diluted earnings per share attributable to Macy's, Inc. shareholders	$ 0.01	$ 0.20	$ 0.72	$ 1.18