Quarterly report pursuant to Section 13 or 15(d)

Retirement Benefit Plans (Defined Contribution Plans) (Details)

v2.4.0.8
Retirement Benefit Plans (Defined Contribution Plans) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 02, 2014
Aug. 03, 2013
Aug. 02, 2014
Aug. 03, 2013
Retirement Benefit Plans [Abstract]        
Defined contribution plan, total expense $ 13 $ 12 $ 26 $ 26