Quarterly report pursuant to Section 13 or 15(d)

Retirement Benefit Plans (Net Periodic Expense) (Details)

v2.4.0.8
Retirement Benefit Plans (Net Periodic Expense) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 02, 2013
Oct. 27, 2012
Nov. 02, 2013
Oct. 27, 2012
Net periodic benefit expense/(income) $ 34 $ 51 $ 102 $ 167
Retirement Benefit Plans Total [Member]
       
Service cost 20 21 59 68
Interest cost 55 64 163 196
Expected return on plan assets (85) (95) (255) (284)
Amortization of actuarial loss/(gain) 43 61 131 188
Amortization of prior service cost/(credit) (1) (4) (2) (11)
Net periodic benefit expense/(income) 32 47 96 157
Primary and Supplemental Pension Plan Total [Member]
       
Service cost 20 21 59 68
Interest cost 54 64 162 195
Expected return on plan assets (85) (95) (255) (284)
Amortization of actuarial loss/(gain) 44 61 132 188
Amortization of prior service cost/(credit) 1 0 4 0
Net periodic benefit expense/(income) 34 51 102 167
Primary Pension Plan [Member]
       
Service cost 20 21 59 67
Interest cost 51 61 153 185
Expected return on plan assets (85) (95) (255) (284)
Amortization of actuarial loss/(gain) 38 55 114 171
Amortization of prior service cost/(credit) 1 0 4 0
Net periodic benefit expense/(income) 25 42 75 139
Supplemental Pension Plans [Member]
       
Service cost 0 0 0 1
Interest cost 3 3 9 10
Amortization of actuarial loss/(gain) 6 6 18 17
Amortization of prior service cost/(credit) 0 0 0 0
Net periodic benefit expense/(income) 9 9 27 28
Postretirement Health and Welfare Plan [Member]
       
Service cost 0 0 0 0
Interest cost 1 0 1 1
Amortization of actuarial loss/(gain) (1) 0 (1) 0
Amortization of prior service cost/(credit) (2) (4) (6) (11)
Net periodic benefit expense/(income) $ (2) $ (4) $ (6) $ (10)