Stockholders' Equity Stockholders' Equity (Reclassifications Out of Accumulated Other Comprehensive Income/ (Loss) (Details) (Details) - USD ($)
$ in Millions
 12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Reclassification for amortization of prior service (credit)/cost (4) [1] $ 7 $ 4 $ 4
Other comprehensive income/(loss) $ (112) $ 32 $ 113
[1]
Net of $(3) million of tax in 2019 offset by a deferred tax valuation allowance of $3 million, $(3) million of tax in 2018 and $(3) million of tax in 2017. Pre-tax amounts of $7 million in 2019, 2018 and 2017 were recognized in Other components of net periodic pension and postretirement benefit cost/(income) in the Consolidated Statement of Operations.