Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net income (loss)	$ (2,418)	$ (641)
Other comprehensive income (loss), net of income taxes:
Defined benefit and other post retirement plans adjustment	0	3
Other	(1)	(6)
Other comprehensive income (loss), net of income taxes	(1)	(3)
Comprehensive income (loss)	(2,419)	(644)
Comprehensive (income) loss attributable to noncontrolling interest	6	(2)
Comprehensive income (loss) attributable to company shareholders	$ (2,413)	$ (646)