Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended						9 Months Ended				1 Months Ended		9 Months Ended							9 Months Ended		1 Months Ended		3 Months Ended		9 Months Ended							1 Months Ended							1 Months Ended							9 Months Ended			1 Months Ended											9 Months Ended										9 Months Ended					1 Months Ended
	Oct. 28, 2012		Jan. 29, 2012		Oct. 28, 2012 ABL Facility		Oct. 28, 2012 8.125% Senior Secured First Priority Notes due 2019		Oct. 28, 2012 11% Senior Secured Second Priority Notes due 2020		Jan. 29, 2012 13.5% Senior Subordinated Notes due 2015		Oct. 28, 2012 13.5% Senior Subordinated Notes due 2015		Oct. 30, 2011 13.5% Senior Subordinated Notes due 2015	Oct. 15, 2012 13.5% Senior Subordinated Notes due 2015	Aug. 30, 2007 13.5% Senior Subordinated Notes due 2015	Oct. 28, 2012 Senior Term Facility Maturing In 2017 Maximum Term Loans	Oct. 28, 2012 Senior Term Facility Maturing In 2017 Minimum Term Loans	Oct. 28, 2012 11.5% Senior Notes due 2020		Oct. 28, 2012 14.875% Senior Notes due 2020		Oct. 28, 2012 14.875% Senior Notes due 2020		Oct. 28, 2012 14.875% Senior Notes due 2020		Oct. 28, 2012 Refinancing of Debt	Oct. 28, 2012 Refinancing of Debt Old Senior Notes	Oct. 28, 2012 Refinancing of Debt ABL Facility	Oct. 28, 2012 Refinancing of Debt Existing Senior Secured Credit Facility	Oct. 28, 2012 Refinancing of Debt Existing Credit Facility	Aug. 31, 2012 Refinancing of Debt 8.125% Senior Secured First Priority Notes due 2019	Oct. 28, 2012 Refinancing of Debt 8.125% Senior Secured First Priority Notes due 2019	Aug. 02, 2012 Refinancing of Debt 8.125% Senior Secured First Priority Notes due 2019	Apr. 12, 2012 Refinancing of Debt 8.125% Senior Secured First Priority Notes due 2019	Oct. 28, 2012 Refinancing of Debt 8.125% Senior Secured First Priority Notes due 2019 Proceeds of equity offerings	Oct. 28, 2012 Refinancing of Debt 8.125% Senior Secured First Priority Notes due 2019 Maximum	Oct. 28, 2012 Refinancing of Debt 8.125% Senior Secured First Priority Notes due 2019 Maximum Foreign Subsidiaries	Apr. 29, 2012 Refinancing of Debt 11% Senior Secured Second Priority Notes due 2020	Oct. 28, 2012 Refinancing of Debt 11% Senior Secured Second Priority Notes due 2020	Apr. 12, 2012 Refinancing of Debt 11% Senior Secured Second Priority Notes due 2020	Oct. 28, 2012 Refinancing of Debt 11% Senior Secured Second Priority Notes due 2020 Proceeds of equity offerings	Oct. 28, 2012 Refinancing of Debt 11% Senior Secured Second Priority Notes due 2020 Maximum	Oct. 28, 2012 Refinancing of Debt 11% Senior Secured Second Priority Notes due 2020 Maximum Proceeds of equity offerings	Oct. 28, 2012 Refinancing of Debt 13.5% Senior Subordinated Notes due 2015 Priority Notes Registration Rights D	Oct. 28, 2012 Refinancing of Debt 13.5% Senior Subordinated Notes due 2015 Senior Notes Registration Rights	Oct. 28, 2012 Refinancing of Debt 13.5% Senior Subordinated Notes due 2015 Default Event Debt Ninety Days Outstanding Priority Notes	Oct. 28, 2012 Refinancing of Debt 13.5% Senior Subordinated Notes due 2015 Default Event Debt Forty Five Days Outstanding Senior Notes	Apr. 29, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017	Oct. 28, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017	Apr. 12, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017	Oct. 28, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017 Term Loans	Apr. 12, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017 LIBOR	Apr. 12, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017 LIBOR Interest Rate Floor	Apr. 12, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017 Prime Rate	Oct. 28, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017 Second year following closing Term Loans	Oct. 28, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017 Third year following closing Term Loans	Oct. 28, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017 Foreign Subsidiaries Term Loans	Oct. 28, 2012 Refinancing of Debt Senior Term Facility Maturing In 2017 Change of Control Payments Term Loans	Oct. 28, 2012 Refinancing of Debt Abl Facility Maturing In 2017	Apr. 12, 2012 Refinancing of Debt Abl Facility Maturing In 2017	Oct. 28, 2012 Refinancing of Debt Abl Facility Maturing In 2017 Letter of Credit	Oct. 28, 2012 Refinancing of Debt Abl Facility Maturing In 2017 LIBOR	Oct. 28, 2012 Refinancing of Debt Abl Facility Maturing In 2017 Prime Rate	Oct. 28, 2012 Refinancing of Debt Abl Facility Maturing In 2017 Prime Rate Canadian Dollars Denominated	Oct. 28, 2012 Refinancing of Debt Abl Facility Maturing In 2017 Banker's Acceptance Rate Canadian Dollars Denominated	Oct. 28, 2012 Refinancing of Debt Abl Facility Maturing In 2017 Foreign Subsidiaries	Oct. 28, 2012 Refinancing of Debt Abl Facility Maturing In 2017 Qualifying cash balances	Oct. 28, 2012 Refinancing of Debt Abl Facility Maturing In 2017 Maximum	Oct. 28, 2012 Refinancing of Debt 11.5% Senior Notes due 2020	Oct. 15, 2012 Refinancing of Debt 11.5% Senior Notes due 2020	Oct. 15, 2012 Refinancing of Debt 11.5% Senior Notes due 2020 Registration Rights D	Oct. 15, 2012 Refinancing of Debt 11.5% Senior Notes due 2020 Proceeds of equity offerings	Oct. 15, 2012 Refinancing of Debt 11.5% Senior Notes due 2020 Maximum	Apr. 29, 2012 Refinancing of Debt 14.875% Senior Notes due 2020	Oct. 28, 2012 Refinancing of Debt 14.875% Senior Notes due 2020	Apr. 12, 2012 Refinancing of Debt 14.875% Senior Notes due 2020	Oct. 28, 2012 Refinancing of Debt 14.875% Senior Notes due 2020 Period 2	Oct. 28, 2012 Refinancing of Debt 14.875% Senior Notes due 2020 Equity Sponsors	Oct. 28, 2012 Refinancing of Debt 14.875% Senior Notes due 2020 Proceeds of equity offerings	Oct. 28, 2012 Refinancing of Debt Priority Notes and Senior Notes	Oct. 28, 2012 Refinancing of Debt Priority Notes and Senior Notes Sales of Assets
Debt Instrument [Line Items]
Note issued, amount																	$ 1,300					$ 813		$ 813		$ 813									$ 300	$ 950						$ 675																														$ 1,000						$ 757
Note issued, interest rate	13.50%						8.13%	[1]	11.00%	[1]	13.50%	[1]	13.50%	[1]		13.50%	13.50%			11.50%	[1]	14.88%	[1]	14.88%	[1]	14.88%	[1]								8.125%	8.125%						11.00%																														11.50%						14.875%
Note issued, due date																	2015																		2019	2019						2020																														2020						2020
Debt issuance cost																												80																																											18
Payment of debt issuance cost	95																																																																						15
Credit facility, extinguished													930																	834	1,169
Cash restricted for debt redemption	985
Premium to redeem debt	31
Accrued interest on debt redeemed	23
Line of credit, borrowing capacity																																																				1,000										1,500
Line of credit, maturity date																																																				2017										2017
Note issued, premium																																			107.50%
Proceed from issuance of note	4,140																																317
Loss on extinguishment of debt	(220)																											220
Extinguishment of debt, premium payment to redeem notes																												150
Extinguishment of debt, write-off unamortized deferred debt costs																												46	24			22
Extinguishment of debt, write-off remaining unamortized other asset																												24
Unamortized deferred financing charges																																42
Line of credit facility, maturity date							Apr. 15, 2019		Apr. 15, 2020		Sep. 01, 2015		Sep. 01, 2015							Jul. 15, 2020						Oct. 12, 2020							Apr. 15, 2019							Apr. 15, 2020										Oct. 12, 2017											Apr. 12, 2017										Jul. 15, 2020					Oct. 12, 2020
Note issued, interest payment frequency																																	Semi-annually							Semi-annually										quarterly																					Semi-annually					Semi-annually
Note issued, interest payment commencing date																																	Oct. 15, 2012							Oct. 15, 2012										Sep. 30, 2012																					Apr. 15, 2013					Oct. 12, 2012
Note redemption, date																																						Apr. 15, 2015						Apr. 15, 2016	Apr. 15, 2015																														Oct. 15, 2016		Apr. 12, 2015		Apr. 12, 2017
Note redemption, price																																		100.00%			108.125%				100.00%		111.00%																													100.00%		111.50%			100.00%				114.875%
Note redeem, note redeemable percentage of aggregate principal amount																																					35.00%						35.00%																															35.00%							35.00%
Note redeem, note remain outstanding immediately after each redemption																																					50.00%						50.00%																															50.00%							50.00%
Capital stock pledged as collateral																																							65.00%																				65.00%									65.00%
Note issued, issue discount																						29		29		29																										30																										30
Interest payments, period													8									11		11		11																																																				11
Number of interest payment, interest paid in kind end date																																																																														2017-10
Paid in kind interest															223							56		56
Book value of Senior note net of amortization of original issue discount	6,915	[2]	5,462	[2]	395	[2]			675		1,820		1,819							1,000		784		784		784
Notes owned by affiliates of the Equity Sponsors beneficially, outstanding principal	5,975		5,380																																																																													484
Notes repurchase price																																																																																		101.00%	100.00%
Aggregate principal amount of Senior Subordinated Notes outstanding as of the 90 days prior to scheduled maturity of senior subordinated notes to make debt mature before scheduled maturity date																																																450.0	450.0		450.0										450.0
Registration rights agreements, exchange date																																														270 days	90 days																										270 days
Registration rights agreements, additional interest payment																																														0.50%																											0.50%
Registration rights agreements, exchange offer date																																														360																											360
Registration rights, note repaid or refinanced																																															75.00%
Registration rights, date																																															Oct. 12, 2013
Line of credit facility, additional credit facility																																																		250											1,900
Line of credit facility, interest rate above basis rate																																																						6.00%	1.25%	5.00%								2.00%	1.00%	1.00%	2.00%
Loan amortization, percentage of original aggregate principal amount																																																		0.25%
Term loan facility, prepaid price																																																									102.00%	101.00%		101.00%
Mandatory principal prepayments from net proceeds from asset sales and insurance recovery, percentage																																																					100.00%
Mandatory principal prepayments, excess cash flow, percentage																		50.00%	0.00%
Line of credit facility, available for borrowing																																																													867								43
Line of credit facility, letter of credit issued																																																															61
Excess availability amount that requires maintaining a fixed charge coverage ratio																																																																						150
Percentage of aggregate commitment that requires maintaining a fixed charge coverage ratio																																																																						10.00%
Required fixed charge coverage ratio																																																													1.0
Repurchase of debt instrument													$ 1
Repurchase discount on notes													3.00%

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

[2] 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.