Changes in Accumulated Other Comprehensive Loss (Pre-Tax) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 28, 2012		Jan. 30, 2010	Jan. 29, 2011
Pension Benefits
Schedule of Pension and Other Postretirement Benefits Recognized In Accumulated Other Comprehensive Income Loss [Line Items]
Net actuarial loss (gain) at beginning of year	$ 438
Amortization of net (loss) gain	(15)
Loss arising during the year	24
Foreign currency translation adjustments	(1)
Net actuarial loss (gain) at end of year	446	[1]
Net prior service cost (benefit) at beginning of year	1
Amortization of prior service cost			(1)
Net prior service cost at end of year	1	[1]
Total amount recognized	447			439
Postretirement Benefits
Schedule of Pension and Other Postretirement Benefits Recognized In Accumulated Other Comprehensive Income Loss [Line Items]
Net actuarial loss (gain) at beginning of year	(28)
Amortization of net (loss) gain	5
Loss arising during the year	2
Net actuarial loss (gain) at end of year	(21)	[1]
Net prior service cost (benefit) at beginning of year	(2)
Amortization of prior service cost	1
Loss arising during the year	1
Total amount recognized	$ (21)			$ (30)

[1] The amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost (income) during the next year are approximately $16 million and $(4) million related to the pension and postretirement plans, respectively. Additionally, $(1) million is expected to be recognized representing postretirement benefits prior-service costs.