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Leases - Maturities of Operating Leases (Details)
$ in Millions
Oct. 25, 2019
USD ($)
Leases [Abstract]  
Remaining 2020 $ 105
2021 193
2022 161
2023 140
2024 117
Thereafter 451
Total expected lease payments 1,167
Less: Imputed interest (157)
Total lease liability $ 1,010