Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Income Statement [Abstract]
Net sales	$ 24,971	$ 24,939	$ 25,908
Credit Card Revenues, Net	768	702	656
Cost of sales	(15,215)	(15,181)	(15,666)
Selling, general and administrative expenses	(9,039)	(8,954)	(9,257)
Gains on sale of real estate	389	544	209
Restructuring, impairment, store closing and other costs	(136)	(186)	(479)
Operating income (loss)	1,738	1,864	1,371
Benefit plan income, net	39	57	55
Settlement charges	(88)	(105)	(98)
Interest expense	(261)	(321)	(367)
Gains (losses) on early retirement of debt	(33)	10	0
Interest income	25	11	4
Income (loss) before income taxes	1,420	1,516	965
Federal, state and local income tax benefit (expense)	(322)	39	(346)
Net income (loss)	1,098	1,555	619
Net loss attributable to noncontrolling interest	10	11	8
Net income attributable to Macy's, Inc. shareholders	$ 1,108	$ 1,566	$ 627
Basic earnings per share attributable to Macy's, Inc. shareholders	$ 3.60	$ 5.13	$ 2.03
Diluted earnings per share attributable to Macy's, Inc. shareholders	$ 3.56	$ 5.10	$ 2.02