Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Millions	May 02, 2020	Feb. 01, 2020	May 04, 2019	Feb. 02, 2019
Current Assets:
Cash and cash equivalents	$ 1,523	$ 685	$ 737
Receivables	170	409	237
Merchandise inventories	4,923	5,188	5,498
Prepaid expenses and other current assets	519	528	633
Income tax receivable	0
Total Current Assets	7,135	6,810	7,105
Property and Equipment - net	6,425	6,633	6,499
Right of Use Assets	2,672	2,668	2,631
Goodwill	838	3,908	3,908
Other Intangible Assets - net	439	439	441
Other Assets	1,072	714	712
Deferred Income Taxes	0	0	0
Intercompany Receivable	0	0	0
Investment in Subsidiaries	0	0	0
Total Assets	18,581	21,172	21,296
Current Liabilities:
Short-term debt	739	539	41
Merchandise accounts payable	2,196	1,682	1,950
Accounts Payable and Accrued Liabilities	2,757	3,448	2,846
Income taxes	80	81	182
Total Current Liabilities	5,772	5,750	5,019
Long-Term Debt	4,918	3,621	4,680
Long-Term Lease Liabilities	2,923	2,918	2,823
Intercompany Payable	0	0	0
Deferred Income Taxes	944	1,169	1,193
Other Liabilities	1,327	1,337	1,258
Accumulated losses in subsidiaries	0
Shareholders' Equity, Macy's, Inc.	2,697	6,377	6,323
Total Shareholders’ Equity	2,697	6,377	6,323	$ 6,436
Total Liabilities and Shareholders' Equity	18,581	21,172	21,296
Parent
Current Assets:
Cash and cash equivalents	1,160	413	293
Receivables	0	0	0
Merchandise inventories	0	0	0
Prepaid expenses and other current assets	0	0	0
Income tax receivable	0
Total Current Assets	1,160	413	293
Property and Equipment - net	0	0	0
Right of Use Assets	0	0	0
Goodwill	0	0	0
Other Intangible Assets - net	0	0	0
Other Assets	418	0	0
Deferred Income Taxes	11	12	6
Intercompany Receivable	1,598	2,675	2,436
Investment in Subsidiaries	0	3,433	3,776
Total Assets	3,187	6,533	6,511
Current Liabilities:
Short-term debt	0	0	0
Merchandise accounts payable	0	0	0
Accounts Payable and Accrued Liabilities	14	126	73
Income taxes	65	5	87
Total Current Liabilities	79	131	160
Long-Term Debt	0	0	0
Long-Term Lease Liabilities	0	0	0
Intercompany Payable	0	0	0
Deferred Income Taxes	0	0	0
Other Liabilities	25	25	28
Accumulated losses in subsidiaries	386
Shareholders' Equity, Macy's, Inc.	2,697	6,377	6,323
Total Liabilities and Shareholders' Equity	3,187	6,533	6,511
Subsidiary Issuer
Current Assets:
Cash and cash equivalents	25	59	151
Receivables	23	83	40
Merchandise inventories	2,072	2,239	2,369
Prepaid expenses and other current assets	102	118	163
Income tax receivable	0
Total Current Assets	2,222	2,499	2,723
Property and Equipment - net	2,978	3,103	3,202
Right of Use Assets	600	611	677
Goodwill	670	3,326	3,326
Other Intangible Assets - net	4	4	5
Other Assets	46	37	28
Deferred Income Taxes	0	0	0
Intercompany Receivable	0	0	0
Investment in Subsidiaries	2,010	2,796	3,061
Total Assets	8,530	12,376	13,022
Current Liabilities:
Short-term debt	739	539	41
Merchandise accounts payable	928	702	845
Accounts Payable and Accrued Liabilities	719	909	786
Income taxes	18	11	61
Total Current Liabilities	2,404	2,161	1,733
Long-Term Debt	4,918	3,621	4,680
Long-Term Lease Liabilities	548	543	607
Intercompany Payable	2,275	3,803	3,322
Deferred Income Taxes	377	595	626
Other Liabilities	407	414	341
Accumulated losses in subsidiaries	0
Shareholders' Equity, Macy's, Inc.	(2,399)	1,239	1,713
Total Liabilities and Shareholders' Equity	8,530	12,376	13,022
Other Subsidiaries
Current Assets:
Cash and cash equivalents	338	213	293
Receivables	147	326	197
Merchandise inventories	2,851	2,949	3,129
Prepaid expenses and other current assets	417	410	470
Income tax receivable	3
Total Current Assets	3,756	3,898	4,089
Property and Equipment - net	3,447	3,530	3,297
Right of Use Assets	2,072	2,057	1,954
Goodwill	168	582	582
Other Intangible Assets - net	435	435	436
Other Assets	608	677	684
Deferred Income Taxes	0	0	0
Intercompany Receivable	677	1,128	886
Investment in Subsidiaries	0	0	0
Total Assets	11,163	12,307	11,928
Current Liabilities:
Short-term debt	0	0	0
Merchandise accounts payable	1,268	980	1,105
Accounts Payable and Accrued Liabilities	2,024	2,413	1,987
Income taxes	0	65	34
Total Current Liabilities	3,292	3,458	3,126
Long-Term Debt	0	0	0
Long-Term Lease Liabilities	2,375	2,375	2,216
Intercompany Payable	0	0	0
Deferred Income Taxes	578	586	573
Other Liabilities	895	898	889
Accumulated losses in subsidiaries	0
Shareholders' Equity, Macy's, Inc.	4,023	4,990	5,124
Total Liabilities and Shareholders' Equity	11,163	12,307	11,928
Consolidation, Eliminations [Member]
Current Assets:
Cash and cash equivalents	0	0	0
Receivables	0	0	0
Merchandise inventories	0	0	0
Prepaid expenses and other current assets	0	0	0
Income tax receivable	(3)
Total Current Assets	(3)	0	0
Property and Equipment - net	0	0	0
Right of Use Assets	0	0	0
Goodwill	0	0	0
Other Intangible Assets - net	0	0	0
Other Assets	0	0	0
Deferred Income Taxes	(11)	(12)	(6)
Intercompany Receivable	(2,275)	(3,803)	(3,322)
Investment in Subsidiaries	(2,010)	(6,229)	(6,837)
Total Assets	(4,299)	(10,044)	(10,165)
Current Liabilities:
Short-term debt	0	0	0
Merchandise accounts payable	0	0	0
Accounts Payable and Accrued Liabilities	0	0	0
Income taxes	(3)	0	0
Total Current Liabilities	(3)	0	0
Long-Term Debt	0	0	0
Long-Term Lease Liabilities	0	0	0
Intercompany Payable	(2,275)	(3,803)	(3,322)
Deferred Income Taxes	(11)	(12)	(6)
Other Liabilities	0	0	0
Accumulated losses in subsidiaries	(386)
Shareholders' Equity, Macy's, Inc.	(1,624)	(6,229)	(6,837)
Total Liabilities and Shareholders' Equity	$ (4,299)	$ (10,044)	$ (10,165)