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LEASES - Future Maturities of Lease Liabilities (Details) $ in Millions	Dec. 31, 2020 USD ($)
Operating Leases
2021	$ 46
2022	37
2023	27
2024	20
2025	16
Thereafter	89
Total lease payments	235
Less: imputed interest	(47)
Total	188
Finance Leases
2021	3
2022	3
2023	3
2024	4
2025	4
Thereafter	16
Total lease payments	33
Less: imputed interest	(5)
Total	$ 28

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