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Segments and Geographic Information (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Segment and Geographic Information
Net income	$ 13	$ 10	$ 66	$ 47
Interest expense	61	61	127	126
Loss on early extinguishment of debt		4		15
Provision for income taxes	8	6	38	29
Depreciation and amortization			46	50
Reporting segment
Segment and Geographic Information
Net income	13	10	66	47
Interest expense	61	61	127	126
Loss on early extinguishment of debt		4		15
Provision for income taxes	8	6	38	29
Depreciation and amortization	22	25	46	50
EBITDA (excluding loss on early extinguishment of debt)	$ 104	$ 106	$ 277	$ 267

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

The cost of borrowed funds accounted for as interest that was charged against earnings during the period.