LEASES - Maturity of lease liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Operating Leases
2022	$ 17
2023	12
2024	7
2025	3
2026	2
Thereafter	3
Total lease payments	44
Less: imputed interest	2
Present value of lease liabilities	42
Financing Leases
2022	4
2023	4
2024	2
2025	2
2026	2
Thereafter	13
Total lease payments	27
Less: imputed interest	5
Finance lease cost	22
Total
2022	21
2023	16
2024	9
2025	5
2026	4
Thereafter	16
Total lease payments	71
Less: imputed interest	7
Total lease liabilities	$ 64	$ 69

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Lease Liability, Payments, Due

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Lease Liability, To Be Paid, Year Three

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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-Name Accounting Standards Codification
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-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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