INCOME TAXES (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
U.S. Federal Income Tax
Operating Loss and Other Tax Carryforwards
Net operating loss carryforwards		$ 2,600,000,000
Operating Loss Carryforward After 2012 IRS Agreement		1,600,000,000
Maximum change in ownership percentage allowed before statutory limitations imposed on the availability of net operating losses (as a percent)	50.00%
Estimated aggregate limitation of cumulative net operating losses available net of limit imposed by IRC Section 382	1,200,000,000
U.S. Federal Income Tax | Operating Losses
Operating Loss and Other Tax Carryforwards
Net operating loss carryforwards	300,000,000
U.S. Federal Income Tax | Equity-Related Transactions
Operating Loss and Other Tax Carryforwards
Net operating loss carryforwards	900,000,000
Domestic | Research Credit Carryforwards
Operating Loss and Other Tax Carryforwards
Other tax carryforwards	1,300,000
Other tax carryforwards - expiration dates	December 31, 2019 to December 31, 2020
Foreign
Operating Loss and Other Tax Carryforwards
Net operating loss carryforwards	84,500,000
Foreign | Operating Losses
Operating Loss and Other Tax Carryforwards
Net operating loss carryforwards	5,000,000
Net operating loss carryforwards - expiration dates	2028 and 2030
Foreign | Capital Allowance Carryforwards
Operating Loss and Other Tax Carryforwards
Other tax carryforwards	2,700,000
State | Operating Losses
Operating Loss and Other Tax Carryforwards
Net operating loss carryforwards	$ 349,200,000
Net operating loss carryforwards - expiration dates	2020 and 2021