The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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INCOME TAXES Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
INCOME TAXES Income Taxes (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Jul. 31, 2015
Income Tax Expense (Benefit)	$ (28)	$ 8	$ 9	$ 128
Reduction in franchise tax [Member]
Income Tax Expense (Benefit)			$ 14
Tax Years 2004 - 2009 [Member] \| Southern Union [Member]
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority					$ 7
Unfavorable [Member]
Tax Adjustments, Settlements, and Unusual Provisions				$ 81