SUMMARY OF SEGMENT DATA (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017	Feb. 03, 2018
Segment Reporting Information [Line Items]
Revenues		$ 3,182	$ 4,278	$ 6,073	$ 8,477
Costs and expenses
Cost of sales, buying and occupancy		2,480	3,306	4,766	6,574
Selling and administrative		864	1,123	1,770	2,344
Depreciation and amortization		66	83	133	170
Impairment charges		77	5	91	20
Gain on sales of assets		(103)	(380)	(268)	(1,121)
Total costs and expenses		3,384	4,137	6,492	7,987
Operating income (loss)		(202)	141	(419)	490
Total assets		6,937	8,367	6,937	8,367	$ 7,273
Capital expenditures		18	19	32	41
Merchandise sales
Segment Reporting Information [Line Items]
Revenues		2,428	3,414	4,640	6,743
Costs and expenses
Cost of sales, buying and occupancy	[1]	2,055	2,815	3,954	5,594
Hardlines
Segment Reporting Information [Line Items]
Revenues		1,438	1,947	2,698	3,741
Apparel and Soft Home
Segment Reporting Information [Line Items]
Revenues		707	973	1,368	1,955
Food and Drug
Segment Reporting Information [Line Items]
Revenues		283	494	574	1,047
Services and other
Segment Reporting Information [Line Items]
Revenues	[2],[3]	754	864	1,433	1,734
Costs and expenses
Cost of sales, buying and occupancy	[2]	425	491	812	980
Services
Segment Reporting Information [Line Items]
Revenues		407	477	785	946
Other
Segment Reporting Information [Line Items]
Revenues		347	387	648	788
Kmart
Segment Reporting Information [Line Items]
Revenues		840	1,442	1,637	2,889
Costs and expenses
Cost of sales, buying and occupancy		680	1,162	1,324	2,346
Selling and administrative		192	323	443	715
Depreciation and amortization		9	14	18	27
Impairment charges		0	3	6	8
Gain on sales of assets		(25)	(79)	(65)	(676)
Total costs and expenses		856	1,423	1,726	2,420
Operating income (loss)		(16)	19	(89)	469
Total assets		1,619	2,019	1,619	2,019
Capital expenditures		8	3	16	9
Kmart | Merchandise sales
Segment Reporting Information [Line Items]
Revenues		830	1,430	1,619	2,861
Costs and expenses
Cost of sales, buying and occupancy		679	1,161	1,320	2,341
Kmart | Hardlines
Segment Reporting Information [Line Items]
Revenues		242	426	441	792
Kmart | Apparel and Soft Home
Segment Reporting Information [Line Items]
Revenues		307	511	607	1,024
Kmart | Food and Drug
Segment Reporting Information [Line Items]
Revenues		281	493	571	1,045
Kmart | Services and other
Segment Reporting Information [Line Items]
Revenues		10	12	18	28
Costs and expenses
Cost of sales, buying and occupancy		1	1	4	5
Kmart | Services
Segment Reporting Information [Line Items]
Revenues		1	1	2	2
Kmart | Other
Segment Reporting Information [Line Items]
Revenues		9	11	16	26
Sears Domestic
Segment Reporting Information [Line Items]
Revenues		2,342	2,836	4,436	5,588
Costs and expenses
Cost of sales, buying and occupancy		1,800	2,144	3,442	4,228
Selling and administrative		672	800	1,327	1,629
Depreciation and amortization		57	69	115	143
Impairment charges		77	2	85	12
Gain on sales of assets		(78)	(301)	(203)	(445)
Total costs and expenses		2,528	2,714	4,766	5,567
Operating income (loss)		(186)	122	(330)	21
Total assets		5,318	6,348	5,318	6,348
Capital expenditures		10	16	16	32
Sears Domestic | Merchandise sales
Segment Reporting Information [Line Items]
Revenues		1,598	1,984	3,021	3,882
Costs and expenses
Cost of sales, buying and occupancy		1,376	1,654	2,634	3,253
Sears Domestic | Hardlines
Segment Reporting Information [Line Items]
Revenues		1,196	1,521	2,257	2,949
Sears Domestic | Apparel and Soft Home
Segment Reporting Information [Line Items]
Revenues		400	462	761	931
Sears Domestic | Food and Drug
Segment Reporting Information [Line Items]
Revenues		2	1	3	2
Sears Domestic | Services and other
Segment Reporting Information [Line Items]
Revenues		744	852	1,415	1,706
Costs and expenses
Cost of sales, buying and occupancy		424	490	808	975
Sears Domestic | Services
Segment Reporting Information [Line Items]
Revenues		406	476	783	944
Sears Domestic | Other
Segment Reporting Information [Line Items]
Revenues		$ 338	$ 376	$ 632	$ 762

[1] Includes rent expense (consisting of straight-line rent expense offset by amortization of a deferred gain on sale-leaseback) of $13 million and $19 million for the 13 weeks ended August 4, 2018 and July 29, 2017, respectively, and $27 million and $38 million for the 26 weeks ended August 4, 2018 and July 29, 2017, respectively, pursuant to the master lease with Seritage Growth Properties ("Seritage"). Also includes installment expenses of $9 million and $12 million for the 13 weeks ended August 4, 2018 and July 29, 2017, respectively, and $18 million and $24 million for the 26 weeks ended August 4, 2018 and July 29, 2017, respectively.

[2] Includes merchandise sales to Sears Hometown and Outlet Stores, Inc. ("SHO") of $197 million and $257 million for the 13 weeks ended August 4, 2018 and July 29, 2017, respectively, and $381 million and $511 million for the 26 weeks ended August 4, 2018 and July 29, 2017, respectively. Pursuant to the terms of the separation, merchandise is sold to SHO at cost.

[3] Includes revenue from Lands' End, Inc. ("Lands' End") for retail services and rent for Lands' End Shops at owned Sears locations, participation in the Shop Your Way® program and corporate shared services of $7 million and $12 million for the 13 weeks ended August 4, 2018 and July 29, 2017, respectively, and $16 million and $24 million for the 26 weeks ended August 4, 2018 and July 29, 2017, respectively.