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Retirement Plans and Other Benefits (Changes in Accumulated Other Comprehensive Loss) (Details)
$ in Millions
12 Months Ended
Jan. 30, 2021
USD ($)
Pension Benefits [Member]  
Schedule of Pension and Other Postretirement Benefits Recognized in Accumulated Other Comprehensive Income (Loss) [Line Items]  
Net actuarial loss (gain) at beginning of year $ 392
Amortization of net (loss) gain (12)
Loss (gain) arising during the year (20)
Foreign currency fluctuations 1
Net actuarial loss (gain) at end of year 361
Postretirement Benefits [Member]  
Schedule of Pension and Other Postretirement Benefits Recognized in Accumulated Other Comprehensive Income (Loss) [Line Items]  
Net actuarial loss (gain) at beginning of year (5)
Amortization of net (loss) gain 1
Loss (gain) arising during the year 2
Net actuarial loss (gain) at end of year $ (2)