Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	May 04, 2013
Carrying Value | Senior secured term loan
Fair Value Measurements
Long-term loans and notes	$ 1,640
Carrying Value | Senior notes
Fair Value Measurements
Long-term loans and notes	1,007
Carrying Value | Senior subordinated notes
Fair Value Measurements
Long-term loans and notes	256
Fair Value | Senior secured term loan
Fair Value Measurements
Long-term loans and notes	1,661
Fair Value | Senior notes
Fair Value Measurements
Long-term loans and notes	1,100
Fair Value | Senior subordinated notes
Fair Value Measurements
Long-term loans and notes	$ 269