INCOME TAXES (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended			3 Months Ended	12 Months Ended	3 Months Ended
	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2014
Income taxes
Net short-term deferred tax assets		$ 244	$ 73				$ 244
Net long-term deferred tax liability		106	397				106
Net long-term deferred tax other assets		9					9
Period of cumulative loss position		3 years	3 years
Tax benefit from release of valuation allowance	517
Number of consecutive quarters of pre-tax earnings		24 months
Deferred tax assets, with no valuation allowance		669	175				669
Deferred tax asset related to net operating loss and tax credit carryforwards		238	355
Deferred tax assets related to net operating loss and tax credit carryforwards expiring between 2020 and 2032 for 2012 and between 2020 and 2033 for 2013		233	345
Deferred tax assets related to net operating loss and tax credit carryforwards with unlimited expiration period		5	10
Deferred tax asset not recognized, share based compensation		53					53
Deferred tax liabilities on the undistributed earnings of certain foreign subsidiaries		12					12
Income taxes paid		80	77	57
Federal
Income taxes
Increase in valuation allowance				65	372	87
Federal | Forecast
Income taxes
Reversal of valuation allowance		27
State
Income taxes
Tax benefit, reversal of accrual for uncertain tax positions, expiration of statutes of limitations and settlements on audits		8	8	14
Non-cash charge to deferred income tax expense due to change in deferred tax assets valuation allowance		(35)	13	26
Foreign
Income taxes
Increase in valuation allowance		(6)					(6)
UK and Mexican tax authority
Income taxes
Increase in valuation allowance							$ 12