LEASES Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Millions	Jun. 30, 2019	Jan. 01, 2019
Assets
Operating lease right-of-use assets	$ 126
Financing lease right-of-use assets	33
Total leased assets	159	$ 165
Current:
Operating lease liabilities	15
Financing lease liabilities	14
Noncurrent:
Operating lease liabilities	114
Financing lease liabilities	24
Total lease liabilities	$ 167	$ 172