Financial Instruments Not Reflected Fair Value (Detail) (USD $) In Millions, unless otherwise specified	Oct. 28, 2012		Jan. 29, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Recorded Amount	$ 6,915	[1]	$ 5,462	[1]
Estimated Fair Value	7,277		5,070
ABL Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Recorded Amount	395	[1]
Estimated Fair Value	379
Term Loans and Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Recorded Amount	6,555	[1]	5,462	[1]
Estimated Fair Value	$ 6,898		$ 5,070

[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.