Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended
	May 04, 2019	May 05, 2018
Income Statement [Abstract]
Net sales	$ 5,504	$ 5,541
Credit card revenues, net	172	157
Cost of sales	(3,403)	(3,382)
Selling, general and administrative expenses	(2,112)	(2,083)
Gains on sale of real estate	43	24
Impairment and other costs	(1)	(19)
Operating income	203	238
Benefit plan income, net	7	11
Interest expense	(54)	(71)
Interest income	7	5
Income (loss) before income taxes	163	183
Federal, state and local income tax expense	(27)	(52)
Net income	136	131
Net loss attributable to noncontrolling interest	0	8
Net income attributable to Macy's, Inc. shareholders	$ 136	$ 139
Basic earnings per share attributable to Macy's, Inc. shareholders	$ 0.44	$ 0.45
Diluted earnings per share attributable to Macy's, Inc. shareholders	$ 0.44	$ 0.45