Retirement Benefit Plans (Tables)
 3 Months Ended
Apr. 30, 2011
Schedule of Pension Plan Expense/(Income) [Text Block]

 

Pension Plans

 

 

 

Primary Plan

 

 

Supplemental

 

 

Total

 

($ in millions)

 

Three Months Ended

 

 

Three Months Ended

 

 

Three Months Ended

 

 

 

April 30,

 

 

May 1,

 

 

April 30,

 

 

May 1,

 

 

April 30,

 

 

May 1,

 

 

 

2011

 

 

2010

 

 

2011

 

 

2010

 

 

2011

 

 

2010

 

Service cost

$

22

 

$

22

 

$

1

 

$

 1

 

$

23

 

$

23

 

Interest cost

 

62

 

 

62

 

 

3

 

 

4

 

 

65

 

 

66

 

Expected return on plan assets

 

(96

)

 

(88

) 

 

-

 

 

-

 

 

(96

)

 

(88

) 

Net amortization

 

34

 

 

59

 

 

3

 

 

4

 

 

37

 

 

63

 

Net periodic benefit expense

$

22

 

$

55

 

$

7

 

$

 9

 

$

29

 

$

64

 
Postretirement Health and Welfare Plan [Member]
  
Postretirement Plan (Income) [Text Block]

 

 

 

 

 

 

 

Postretirement Health

and Welfare Plan

 

($ in millions)

 

 

Three Months Ended

 

 

 

 

April 30,

 

 

May 1,

 

 

 

 

2011

 

 

2010

 

Service cost

 

$

-

 

$

 -

 

Interest cost

 

 

-

 

 

-

 

Expected return on plan assets

 

 

-

 

 

-

 

Net amortization

 

 

(6

) 

 

(6

) 

Net periodic (income)

 

$

(6

) 

$

 (6

)