Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans (Net Periodic Benefit Cost) (Details)

v3.8.0.1
Benefit Plans (Net Periodic Benefit Cost) (Details) - USD ($)
$ in Millions
 3 Months Ended
May 05, 2018
Apr. 29, 2017
Total Retirement Expense $ 14 $ 9
Nonqualified Plan [Member]    
Defined contribution plans expense 0 0
Qualified Plan [Member]    
Defined contribution plans expense 23 21
Pension Plan [Member]    
Service cost 2 1
Interest cost 26 27
Expected return on assets (53) (56)
Recognition of net actuarial (gain) loss 8 8
Amortization of prior service credit 0 0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) (17) (20)
Supplemental Employee Retirement Plan [Member]    
Service cost 0 0
Interest cost 6 6
Recognition of net actuarial (gain) loss 2 2
Amortization of prior service credit 0 0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) 8 8
Other Postretirement Benefits Plan [Member]    
Service cost 0 0
Interest cost 1 1
Recognition of net actuarial (gain) loss (1) (1)
Amortization of prior service credit 0 0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) $ 0 $ 0