|
Retirement Benefit Plans (Defined Contribution Plans) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
May 02, 2015
|
May 03, 2014
|
|
| Retirement Benefit Plans [Abstract] | ||
| Defined contribution plan, total expense | $ 13 | $ 13 |