Long Term Debt (Detail) (USD $) In Millions, unless otherwise specified	Oct. 28, 2012		Oct. 15, 2012	Jan. 29, 2012		Aug. 30, 2007
Debt Instrument [Line Items]
Long Term Debt	$ 6,915	[1]		$ 5,462	[1]
Less current installments	(940)			(82)
Long-term debt, excluding current installments	5,975			5,380
Long Term Debt, Interest Rate	13.50%
Abl Facility due April 12, 2017
Debt Instrument [Line Items]
Long Term Debt	395
Long Term Debt, Interest Rate	2.21%	[2]
Term Loan due October 12, 2017
Debt Instrument [Line Items]
Long Term Debt	970
Long Term Debt, Interest Rate	7.25%	[2]
8.125% Senior Secured First Priority Notes due 2019
Debt Instrument [Line Items]
Long Term Debt, gross	1,272
Long Term Debt, Interest Rate	8.13%	[2]
11% Senior Secured Second Priority Notes due 2020
Debt Instrument [Line Items]
Long Term Debt	675
Long Term Debt, Interest Rate	11.00%	[2]
11.5% Senior Notes due 2020
Debt Instrument [Line Items]
Long Term Debt	1,000
Long Term Debt, Interest Rate	11.50%	[2]
14.875% Senior Notes due 2020
Debt Instrument [Line Items]
Long Term Debt	784
Long Term Debt, Interest Rate	14.88%	[2]
Term Loan due August 30, 2012
Debt Instrument [Line Items]
Long Term Debt				73
Long Term Debt, Interest Rate				1.53%	[2]
Term Loan due April 1, 2014
Debt Instrument [Line Items]
Long Term Debt				855
Long Term Debt, Interest Rate				3.03%	[2]
ABL Term Loan due April 1, 2014
Debt Instrument [Line Items]
Long Term Debt				214
Long Term Debt, Interest Rate				3.56%	[2]
12.0% Senior Notes due September 1, 2014
Debt Instrument [Line Items]
Long Term Debt				2,500
Long Term Debt, Interest Rate				12.00%	[2]
13.5% Senior Subordinated Notes due 2015
Debt Instrument [Line Items]
Long Term Debt	$ 1,819			$ 1,820
Long Term Debt, Interest Rate	13.50%	[2]	13.50%	13.50%	[2]	13.50%

[1] These amounts do not include accrued interest; accrued interest is classified as Other current liabilities and Other liabilities in the accompanying Consolidated Balance Sheets. These amounts do include any related discounts and premiums.

[2] Represents the stated rate of interest, without including the effect of discounts or premiums.