TAXES ON INCOME Taxes on Income - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Other postretirement benefits	$ 4	$ 5
Debt amortization	30	57
Other	37	32
Total deferred income tax assets	71	94
Deferred Tax Assets, Valuation Allowance	(2)	(2)
Deferred Tax Assets, Net	69	92
Property, plant and equipment	(770)	(796)
Deferred Tax Liabilities, Investment in Noncontrolled Affiliates	(6)	(20)
Other	(4)	(1)
Deferred Tax Liabilities, Gross	(780)	(817)
Deferred Tax Liabilities, Net	(711)	(725)
Deferred Tax Liabilities, Net, Noncurrent	$ 711	$ 725