STORE CLOSING CHARGES, SEVERANCE COSTS, IMPAIRMENTS AND REAL ESTATE TRANSACTIONS (Real Estate Transactions) (Details) $ in Millions		1 Months Ended		3 Months Ended			6 Months Ended		12 Months Ended
	Jul. 07, 2015 USD ($) property store	Jul. 31, 2017 property	Apr. 30, 2015 USD ($) property joint_venture	Aug. 04, 2018 USD ($) property store Property	Jul. 29, 2017 USD ($) store Property	Aug. 01, 2015 USD ($)	Aug. 04, 2018 USD ($) property store Property	Jul. 29, 2017 USD ($) store Property	Feb. 02, 2019 store	Feb. 03, 2018 USD ($) property
Restructuring Cost and Reserve [Line Items]
Number of distinct real estate joint ventures | joint_venture			3
Number of properties contributed to joint venture | property			31
Proceeds from sale-leaseback financing							$ 130	$ 89
Real estate investments, joint ventures			$ 858
Leaseback transaction, number of stores | property	255
Number of stores recaptured | store	39
Number of stores with lease terminated | store	65
Ownership percentage sold		50.00%
Number of stores sold | property		5
Sale-leaseback transaction, current period gain recognized						$ 508	21
Deferred gain	$ 894
Gain on sales of assets				$ 103	$ 380		$ 268	1,121
Agreement termination, minimum period of rent payment							1 year
Number of properties qualified for sale leaseback accounting | property				3			3			2
Sale-leaseback financing obligation				$ 347	230		$ 347	230		$ 247
Sale-leaseback transaction, current portion of deferred gain, net				161	156		161	156		138
Deferred gain on sale-leaseback				305	455		305	455		362
Sale-leaseback transaction, rent expense				14	22		30	44
Master Leases
Restructuring Cost and Reserve [Line Items]
Gain on sales of assets				$ 28	36		$ 68	78
Percentage of space under lease recapture right				100.00%			100.00%
Sears Domestic
Restructuring Cost and Reserve [Line Items]
Gain on sales of assets				$ 78	301		$ 203	445
Sale-leaseback transaction, real property assets of properties with continuing involvement				100	62		100	62		66
Sale-leaseback transaction, rent expense				12	19		26	39
Kmart
Restructuring Cost and Reserve [Line Items]
Gain on sales of assets				25	79		65	676
Sale-leaseback transaction, rent expense				2	3		$ 4	5
Seritage Growth Properties
Restructuring Cost and Reserve [Line Items]
Number of properties sold | property	235
Aggregate proceeds from sale-leaseback transaction and rights offering of common stock and limited partnership units	$ 2,700
Net proceeds from sale-leaseback transaction and rights offering of common stock and limited partnership units	2,600
Sale-leaseback transaction, aggregate value	$ 2,300
Number of properties that have continuing involvement | property	4						4
Termination payment expenses				$ 9			$ 20	24
Gain (loss) on sale of properties					$ 17			$ 40		40
Sale-leaseback financing obligation										$ 70
Seritage Growth Properties | Master Leases
Restructuring Cost and Reserve [Line Items]
Percentage of space under lease recapture right				50.00%			50.00%
Sixteen Sears Full-line Stores and Two Non-Retail Locations | Sears Domestic
Restructuring Cost and Reserve [Line Items]
Gains (losses) on sales of other real estate				$ 48
Proceeds from sale of real estate				$ 116
Sixteen Sears Full-line Stores | Sears Domestic
Restructuring Cost and Reserve [Line Items]
Number of properties sold | Property				16
Two Sears Non-Retail Locations | Sears Domestic
Restructuring Cost and Reserve [Line Items]
Number of properties sold | Property				2
Three Kmart Stores | Kmart
Restructuring Cost and Reserve [Line Items]
Number of properties sold | store				3
Gains (losses) on sales of other real estate				$ 23
Proceeds from sale of real estate				$ 33
Twenty-Five Sears Full-line Stores and Six Non-Retail Locations | Sears Domestic
Restructuring Cost and Reserve [Line Items]
Gains (losses) on sales of other real estate							$ 117
Proceeds from sale of real estate							$ 227
Twenty-Five Sears Full-line Stores | Sears Domestic
Restructuring Cost and Reserve [Line Items]
Number of properties sold | Property							25
Six Sears Non-Retail Locations | Sears Domestic
Restructuring Cost and Reserve [Line Items]
Number of properties sold | Property							6
Twelve Kmart Stores | Kmart
Restructuring Cost and Reserve [Line Items]
Number of properties sold | store							12
Gains (losses) on sales of other real estate							$ 40
Proceeds from sale of real estate							$ 51
Nine Sears Full-line Stores | Sears Domestic
Restructuring Cost and Reserve [Line Items]
Number of properties sold | Property					9
Gains (losses) on sales of other real estate					$ 250
Proceeds from sale of real estate					$ 276
One Kmart Store | Kmart
Restructuring Cost and Reserve [Line Items]
Number of properties sold | store					1
Gains (losses) on sales of other real estate					$ 12
Proceeds from sale of real estate					$ 20
Twelve Sears Full-line Stores | Sears Domestic
Restructuring Cost and Reserve [Line Items]
Number of properties sold | Property								12
Gains (losses) on sales of other real estate								$ 346
Proceeds from sale of real estate								$ 380
Two Kmart Stores | Kmart
Restructuring Cost and Reserve [Line Items]
Number of properties sold | store								2
Gains (losses) on sales of other real estate								$ 40
Proceeds from sale of real estate								$ 48
Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Number of stores with lease terminated | store									33
Corporate Joint Venture
Restructuring Cost and Reserve [Line Items]
Percentage of ownership interests	50.00%		50.00%
Sale leaseback transaction, gross proceeds, financing activities			$ 429
Proceeds from sale-leaseback financing			$ 426