Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Net Periodic Benefit Cost) (Details)

v3.7.0.1
Retirement Plans (Net Periodic Benefit Cost) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jan. 28, 2017
Oct. 29, 2016
Jul. 30, 2016
Apr. 30, 2016
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Settlement charges $ (17) $ (62) $ (6) $ (13) $ (98) $ 0 $ 0
Settlement charges $ 17 $ 62 $ 6 $ 13 98 0 0
Supplemental Employee Retirement Plan              
Service cost         0 0 0
Interest cost         22 31 33
Amortization of net actuarial (gain) loss         9 10 5
Amortization of prior service credit         0 0 0
Total net periodic benefit cost         31 41 38
Settlement charges         30 0 0
Net actuarial (gain) loss recognized in OCI before tax         26 (70) 170
Amortization of net actuarial loss         (9) (10) (5)
Amortization of prior service credit         0 0 0
Settlement charges         (30) 0 0
Total recognized in other comprehensive income         (13) (80) 165
Total recognized in net periodic benefit cost and other comprehensive income         48 (39) 203
Pension Plan [Member]              
Service cost         5 6 6
Interest cost         108 137 151
Expected return on assets         (227) (235) (246)
Amortization of net actuarial (gain) loss         31 38 25
Amortization of prior service credit         0 0 0
Total net periodic benefit cost         (83) (54) (64)
Settlement charges         68 0 0
Net actuarial (gain) loss recognized in OCI before tax         (120) 92 491
Amortization of net actuarial loss         (31) (38) (25)
Amortization of prior service credit         0 0 0
Settlement charges         (68) 0 0
Total recognized in other comprehensive income         (219) 54 466
Total recognized in net periodic benefit cost and other comprehensive income         $ (234) $ 0 $ 402