Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (Level 2, Fair Value, Measurements, Recurring, USD $) In Millions, unless otherwise specified	Feb. 02, 2013	Jan. 28, 2012
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets measured at fair value on recurring basis	$ 60	$ 5
Liabilities measured at fair value on recurring basis		2
Short-term Investments
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets measured at fair value on recurring basis	48
Auction rate security
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets measured at fair value on recurring basis	6	5
Forward foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets measured at fair value on recurring basis	6
Liabilities measured at fair value on recurring basis		$ 2