Annual report pursuant to Section 13 and 15(d)

Retirement Benefits Plans (Estimated Future Benefit Payments) (Details)

v3.20.1
Retirement Benefits Plans (Estimated Future Benefit Payments) (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Primary and Supplemental Pension Plans Total [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) $ 7 $ 7 $ 7
Pension (7) (33) 140
Defined Benefit Plan, Service Cost 28 38 42
Defined Benefit Plan, Interest Cost (131) (141) (150)
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement 8 7 $ 13
Pension Plan [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Defined Benefit Plan, Service Cost 28 37  
Defined Benefit Plan, Interest Cost (125) (133)  
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
2019 237    
2020 236    
2021 235    
2022 229    
2023 227    
2024-2028 1,067    
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement   13  
Supplemental Employee Retirement Plan [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Defined Benefit Plan, Service Cost 0 1  
Defined Benefit Plan, Interest Cost (6) $ (8)  
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
2019 27    
2020 22    
2021 9    
2022 8    
2023 8    
2024-2028 $ 38