Annual report pursuant to Section 13 and 15(d)

Postretirement Health Care and Life Insurance Benefits (Net Periodic Benefit Cost) (Details)

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Postretirement Health Care and Life Insurance Benefits (Net Periodic Benefit Cost) (Details) - Other Postretirement Benefits Plan [Member] - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2021
Feb. 01, 2020
Feb. 02, 2019
Service cost $ 0 $ 0 $ 0
Interest cost 2 5 5
Amortization of net actuarial gain (4) (6) (5)
Amortization of prior service credit (1) (1) (1)
Total net periodic benefit cost (3) (2) (1)
Net actuarial loss (gain) (6) 5 (11)
Amortization of net actuarial loss 4 6 5
Amortization of prior service credit 1 1 1
Prior service credit 0 0 0
Total recognized in other comprehensive income (1) 12 (5)
Total recognized $ (4) $ 10 $ (6)