Fair Values of Asset and Liability Derivative Financial Instruments (Detail) (USD $) In Millions, unless otherwise specified	Jul. 28, 2012	Jan. 28, 2012	Jul. 30, 2011
Derivatives, Fair Value [Line Items]
Total derivative instruments, assets	$ 16	$ 13	$ 2
Total derivative instruments, liabilities	9	14	68
Derivatives in cash flow hedging relationships
Derivatives, Fair Value [Line Items]
Total derivative instruments, assets	13	10
Total derivative instruments, liabilities	8	10	58
Derivatives in cash flow hedging relationships | Foreign exchange forward contracts | Other current assets
Derivatives, Fair Value [Line Items]
Total derivative instruments, assets	11	9
Derivatives in cash flow hedging relationships | Foreign exchange forward contracts | Other long-term assets
Derivatives, Fair Value [Line Items]
Total derivative instruments, assets	2	1
Derivatives in cash flow hedging relationships | Foreign exchange forward contracts | Accrued Liabilities Current
Derivatives, Fair Value [Line Items]
Total derivative instruments, liabilities	5	10	49
Derivatives in cash flow hedging relationships | Foreign exchange forward contracts | Lease incentives and other long-term liabilities
Derivatives, Fair Value [Line Items]
Total derivative instruments, liabilities	3		9
Derivatives in net investment hedging relationships
Derivatives, Fair Value [Line Items]
Derivatives designated as net investment hedges, assets	1
Derivatives designated as net investment hedges, liabilities			3
Derivatives in net investment hedging relationships | Foreign exchange forward contracts | Other current assets
Derivatives, Fair Value [Line Items]
Derivatives designated as net investment hedges, assets	1
Derivatives in net investment hedging relationships | Foreign exchange forward contracts | Accrued Liabilities Current
Derivatives, Fair Value [Line Items]
Derivatives designated as net investment hedges, liabilities			3
Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivative instruments, assets	2	3	2
Total derivative instruments, liabilities	1	4	7
Derivatives not designated as hedging instruments | Foreign exchange forward contracts | Other current assets
Derivatives, Fair Value [Line Items]
Total derivative instruments, assets	2	3	2
Derivatives not designated as hedging instruments | Foreign exchange forward contracts | Accrued Liabilities Current
Derivatives, Fair Value [Line Items]
Total derivative instruments, liabilities	$ 1	$ 4	$ 7