Changes in Accumulated Other Comprehensive Loss (Pre-Tax) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 31, 2015		Feb. 01, 2014
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	$ 399
Amortization of net (loss) gain	(15)
Loss arising during the year	15
Foreign currency fluctuations	(5)
Net actuarial loss (gain) at end of year	394	[1]
Net prior service cost at end of year	1	[1]	1
Total amount recognized	395		400
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	(13)
Amortization of net (loss) gain	3
Loss arising during the year	4
Foreign currency fluctuations	0
Net actuarial loss (gain) at end of year	(6)	[1]
Net prior service cost at end of year	0	[1]	0
Total amount recognized	$ (6)		$ (13)

[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 $14 million and $(2) million related to the pension and postretirement plans, respectively. The net prior service cost did not change during the year.