NOTES PAYABLE AND LEASE OBLIGATIONS - Contractual Maturities of Leases (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Operating Leases
2021	$ 52
2022	40
2023	11
2024	11
2025	10
Thereafter	28
Total lease payments	152
Less: Interest	9
Present value of lease liabilities	143	$ 149
Finance Leases
2021	4
2022	3
2023	2
2024	1
2025	1
Thereafter	0
Total lease payments	11
Less: Interest	0
Present value of lease liabilities	11	$ 12
Total
2021	56
2022	43
2023	13
2024	12
2025	11
Thereafter	28
Total lease payments	163
Less: Interest	9
Present value of lease liabilities	$ 154

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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