INCOME TAXES (Tax Credit Carryforward) (Details) (USD $) In Millions, unless otherwise specified							12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 DRC Net Operating Loss Carryforwards [Member]	Dec. 31, 2013 U.S. state net operating loss carryforwards [Member]	Dec. 31, 2013 Spanish net operating loss carryforwards [Member]	Dec. 31, 2013 U.S. Federal Net Operating Loss Carryforwards [Member]	Dec. 31, 2013 Minimum [Member] U.S. foreign tax credit carryforwards [Member]	Dec. 31, 2013 Minimum [Member] U.S. state net operating loss carryforwards [Member]	Dec. 31, 2013 Minimum [Member] Spanish net operating loss carryforwards [Member]	Dec. 31, 2013 Minimum [Member] U.S. Federal Net Operating Loss Carryforwards [Member]	Dec. 31, 2013 Maximum [Member] U.S. foreign tax credit carryforwards [Member]	Dec. 31, 2013 Maximum [Member] U.S. state net operating loss carryforwards [Member]	Dec. 31, 2013 Maximum [Member] Spanish net operating loss carryforwards [Member]	Dec. 31, 2013 Maximum [Member] U.S. Federal Net Operating Loss Carryforwards [Member]
Tax credit carryforward [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	$ 2,144	$ 2,022
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	603	474
Tax credit carryforward, amount			$ 70	$ 2,300	$ 629	$ 1,700
Tax credit carryforward, expiration dates							Jan. 01, 2014	Jan. 01, 2014	Jan. 01, 2015	Jan. 01, 2022	Dec. 31, 2023	Dec. 31, 2033	Dec. 31, 2030	Dec. 31, 2033