CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME LOSS [Abstract]
Net income (loss)		$ (1,132)	$ 78
Change in derivatives:
Settlements	[1]		(25)
Change in fair value of derivative instruments	[2]		17
Total change in derivatives			(8)
Change in value of pension and other postretirement liabilities:
Amortization of prior service cost and net loss included in net periodic pension cost	[3]	$ 1
Change in currency translation adjustment		3	(6)
Comprehensive income (loss)		$ (1,128)	$ 64

[1] Net of ($17) million in taxes for the three months ended March 31, 2015.

[2] Net of $7 million in taxes for the three months ended March 31, 2015.

[3] Net of $1 million in taxes for the three months ended March 31, 2016.