LEASES - Future Lease Payments Associated with Leases Commenced (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Operating Leases
2022	$ 4
2023	3
2024	2
2025	0
Thereafter	0
Total lease payments	9
Imputed interest	0
Present value of lease liabilities	9
Finance Lease
2022	1
2023	2
2024	1
2025	0
Thereafter	0
Total lease payments	4
Imputed interest	0
Present value of lease liabilities	4
2022	5
2023	5
2024	3
2025	0
Thereafter	0
Total lease payments	13
Imputed interest	0
Total lease liabilities	$ 13	$ 19