Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Net Periodic Benefit Cost) (Details)

v2.4.0.6
Retirement Plans (Net Periodic Benefit Cost) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Supplementary Retirement Plan [Member]
     
Amortization of net actuarial (gain) loss $ 19    
Total recognized in net periodic benefit cost and other comprehensive income 75 132 65
Supplementary Retirement Plan [Member] | Other Comprehensive Income [Member]
     
Net actuarial (gain) loss 34 90 22
Amortization of net actuarial (gain) loss (17) (8) (3)
Amortization of prior service credit 1 1 1
Total recognized in other comprehensive income 18 83 20
Supplementary Retirement Plan [Member] | Net Periodic Pension Cost [Member]
     
Service cost 6 6 6
Interest cost 35 36 37
Amortization of net actuarial (gain) loss 17 8 3
Amortization of prior service credit (1) (1) (1)
Total net periodic benefit cost 57 49 45
Pension Plan [Member]
     
Amortization of net actuarial (gain) loss 142    
Total recognized in net periodic benefit cost and other comprehensive income (70) 544 30
Pension Plan [Member] | Other Comprehensive Income [Member]
     
Net actuarial (gain) loss (91) 530 (9)
Amortization of net actuarial (gain) loss (141) (88) (61)
Amortization of prior service credit 1 1 1
Total recognized in other comprehensive income (231) 443 (69)
Pension Plan [Member] | Net Periodic Pension Cost [Member]
     
Service cost 117 102 99
Interest cost 157 160 158
Expected return on assets (253) (248) (218)
Amortization of net actuarial (gain) loss 141 88 61
Amortization of prior service credit (1) (1) (1)
Total net periodic benefit cost $ 161 $ 101 $ 99