STATEMENT OF CONSOLIDATED COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST	$ 105	$ (559)	$ 985	$ (1,130)
OTHER COMPREHENSIVE INCOME:
Currency translation adjustment	109	0	109	0
COMPREHENSIVE INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST	214	(559)	1,094	(1,130)
Comprehensive income attributable to noncontrolling interest	42	48	137	93
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	$ 172	$ (607)	$ 957	$ (1,223)