Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net income (loss)	$ (3,205)	$ 53	$ (5,623)	$ (588)
Other comprehensive income (loss), net of income taxes:
Unrealized gain on cash flow hedges	0	106	0	106
Other	3	(2)	2	(5)
Other comprehensive income (loss), net of income taxes	3	104	2	101
Comprehensive income (loss)	(3,202)	157	(5,621)	(487)
Comprehensive (income) loss attributable to noncontrolling interest	(3)	1	3	(1)
Comprehensive income (loss) attributable to company shareholders	$ (3,205)	$ 158	$ (5,618)	$ (488)