GUARANTOR/NON-GUARANTOR SUBSIDIARY FINANCIAL INFORMATION (Condensed Consolidating Statement of Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	$ (251)	$ (395)	$ (7)	$ (866)
Other comprehensive income
Pension and postretirement adjustments, net of tax	127	64	177	128
Currency translation adjustments, net of tax	0	0	1	0
Unrealized net gain, net of tax		0	0	0
Total other comprehensive income	127	64	178	128
Comprehensive income (loss) attributable to Holdings' shareholders	(124)	(331)	171	(738)
Reportable Legal Entities \| Parent
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(251)	(297)	(7)	(768)
Other comprehensive income
Pension and postretirement adjustments, net of tax	0	0	0	0
Currency translation adjustments, net of tax			0
Unrealized net gain, net of tax		0	0	0
Total other comprehensive income	0	0	0	0
Comprehensive income (loss) attributable to Holdings' shareholders	(251)	(297)	(7)	(768)
Reportable Legal Entities \| Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(226)	(274)	(437)	(756)
Other comprehensive income
Pension and postretirement adjustments, net of tax	127	64	177	128
Currency translation adjustments, net of tax			0
Unrealized net gain, net of tax		0	0	0
Total other comprehensive income	127	64	177	128
Comprehensive income (loss) attributable to Holdings' shareholders	(99)	(210)	(260)	(628)
Reportable Legal Entities \| Non- Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	251	222	492	454
Other comprehensive income
Pension and postretirement adjustments, net of tax	0	0	0	0
Currency translation adjustments, net of tax			1
Unrealized net gain, net of tax		22	26	63
Total other comprehensive income	0	22	27	63
Comprehensive income (loss) attributable to Holdings' shareholders	251	244	519	517
Eliminations
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(25)	(46)	(55)	204
Other comprehensive income
Pension and postretirement adjustments, net of tax	0	0	0	0
Currency translation adjustments, net of tax			0
Unrealized net gain, net of tax		(22)	(26)	(63)
Total other comprehensive income	0	(22)	(26)	(63)
Comprehensive income (loss) attributable to Holdings' shareholders	$ (25)	$ (68)	$ (81)	$ 141

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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