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LEASES - Operating and Finance Lease Liabilities (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Operating Leases  
2021 $ 8
2022 8
2023 7
2024 6
2025 5
Thereafter 15
Less: Interest (7)
Present value of lease liabilities 42
Finance Leases  
2021 1
2022 0
2023 0
2024 0
2025 0
Thereafter 0
Less: Interest 0
Present value of lease liabilities $ 1