LEASES - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2019
Assets
Operating lease ROU assets	$ 101	$ 106
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	us-gaap:OtherAssets	us-gaap:OtherAssets
Financing lease ROU assets	$ 13	$ 19
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	us-gaap:OtherAssets	us-gaap:OtherAssets
Total leased assets	$ 114	$ 125	$ 165
Current:
Operating lease liabilities	$ 17	$ 16
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued liabilities (Note 10)	Accrued liabilities (Note 10)
Financing lease liabilities	$ 7	$ 10
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities (Note 10)	Accrued liabilities (Note 10)
Noncurrent:
Operating lease liabilities	$ 90	$ 95
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Financing lease liabilities	$ 8	$ 12
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Total lease liabilities	$ 122	$ 133	$ 172