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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 31, 2021
Aug. 01, 2020
Jul. 31, 2021
Aug. 01, 2020
Income Tax Disclosure [Abstract]        
Effective income tax rate 24.10% 18.50% 23.20% 19.90%
Income taxes paid $ 13 $ 2 $ 15 $ 8