LEASES Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jan. 01, 2019
Assets
Operating lease ROU assets	$ 120
Financing lease ROU assets	28
Total leased assets	148	$ 165
Current:
Operating lease liabilities	20
Financing lease liabilities	13
Noncurrent:
Operating lease liabilities	103
Financing lease liabilities	20
Total lease liabilities	$ 156	$ 172