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Leases - Schedule of Future Maturities of Operating Lease Liabilities (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 55
2021 42
2022 32
2023 23
2024 18
2025 and future years 21
Total future minimum lease payments 191
Less: Imputed interest (12)
Operating lease liability 179
Less: Current portion of operating lease liability 51
Long-term portion of operating lease liability $ 128