Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	7 Months Ended	12 Months Ended	5 Months Ended	12 Months Ended
Dec. 31, 2010 Successor [Member]	Dec. 31, 2011 Successor [Member]	May 25, 2010 Predecessor [Member]	Dec. 31, 2009 Predecessor [Member]
Net income (loss)	$ (5,972)	$ 73,619	$ (4,946)	$ 140,489
Net cash flow hedge amounts reclassified to earnings	0	19,018	2,145	(47,394)
Net change in fair value of cash flow hedges	(11,099)	(12,678)	18,486	(22,040)
Comprehensive income (loss)	(17,071)	79,959	15,685	71,055
Comprehensive income attributable to noncontrolling interest	156	1,177	406	91
Comprehensive income (loss) attributable to Regency Energy Partners LP	$ (17,227)	$ 78,782	$ 15,279	$ 70,964

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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- Definition

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to noncontrolling interests, if any. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

+ References+ Details

- Definition

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the economic entity, including both controlling (parent) and noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, including any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

+ References+ Details

- Definition

Net of tax effect of the reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.

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Change in accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges, net of tax effect. The after tax effect change includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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