DEBT Debt Extinguishment (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Extinguishment of Debt [Line Items]
Debt reductions	[1]	$ 0	$ 217
Write off of deferred debt issuance cost		$ 0	$ 1

[1] Reductions related to notes with interest rates ranging from 5.30% to 6.25% with original maturities from 2015 to 2025 for the three months ended March 31, 2015.