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Goodwill and Intangible Assets - Estimated Annual Amortization Expense (Details) - USD ($)
$ in Millions
Jan. 29, 2021
Jan. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
2022 $ 110  
2023 106  
2024 103  
2025 103  
2026 103  
Thereafter 613  
Net carrying value $ 1,138 $ 711