Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Income Statement [Abstract]
Net sales	$ 17,346	$ 24,560	$ 24,971
Credit card revenues, net	751	771	768
Cost of sales	(12,286)	(15,171)	(15,215)
Selling, general and administrative expenses	(6,767)	(8,998)	(9,039)
Gains on sale of real estate	60	162	389
Restructuring, impairment, store closing and other costs	(3,579)	(354)	(136)
Operating income (loss)	(4,475)	970	1,738
Benefit plan income, net	54	31	39
Settlement charges	(84)	(58)	(88)
Interest expense	(284)	(205)	(261)
Financing costs	(5)	0	0
Losses on early retirement of debt	0	(30)	(33)
Interest income	4	20	25
Income (loss) before income taxes	(4,790)	728	1,420
Federal, state and local income tax benefit (expense)	846	(164)	(322)
Net income (loss)	(3,944)	564	1,098
Net loss attributable to noncontrolling interest	0	0	10
Net income (loss) attributable to Macy's, Inc. shareholders	$ (3,944)	$ 564	$ 1,108
Basic earnings (loss) per share attributable to Macy's, Inc. shareholders	$ (12.68)	$ 1.82	$ 3.60
Diluted earnings (loss) per share attributable to Macy's, Inc. shareholders	$ (12.68)	$ 1.81	$ 3.56