Reconciliation of Fair Value of U.S. Pension Plan's Real Estate Investments Classified as Level Three (Detail) (U.S. Qualified Pension Plan, USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012
Schedule of Pension and Other Postretirement Benefits Changes in Benefit Obligation and Fair Value of Plan Assets [Line Items]
Fair value of plan assets at end of year	$ 585	$ 546	[1]
Other types of investments | Real Estate Investment trust
Schedule of Pension and Other Postretirement Benefits Changes in Benefit Obligation and Fair Value of Plan Assets [Line Items]
Fair value of plan assets at end of year		8	[1],[2]
Level 3 | Other types of investments | Real Estate Investment trust
Schedule of Pension and Other Postretirement Benefits Changes in Benefit Obligation and Fair Value of Plan Assets [Line Items]
Fair value of plan assets at beginning of year	8	9
Sale of real estate	(8)
Unrealized loss on appraised value of real estate		(1)
Fair value of plan assets at end of year		$ 8

[1] Each category of plan assets is classified within the same level of the fair value hierarchy for 2012 and 2011.

[2] This category in 2011 consisted of two real estate properties which were subsequently sold to a wholly owned subsidiary of the Company, during 2012.