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Leases (Future Minimum Lease Payments Under Non-Cancelable Operating Leases Net of Future Non-Cancelable Operating Sublease Payments) (Details)
$ in Millions
Feb. 02, 2019
USD ($)
Leases [Abstract]  
2019 $ 672
2020 631
2021 583
2022 527
2023 456
Thereafter 1,408
Total operating lease commitments $ 4,277