Consolidated Statements Of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
REVENUES:
Natural gas sales	$ 421,416	$ 599,468
NGL sales	361,577	156,901
Gathering, transportation and other fees	388,744	336,098
Retail propane sales	75,445	528,466
Other	58,678	66,644
Total revenues	1,305,860	1,687,577
COSTS AND EXPENSES:
Cost of products sold	773,485	994,457
Operating expenses	127,990	188,489
Depreciation and amortization	101,917	95,964
Selling, general and administrative	48,523	45,532
Total costs and expenses	1,051,915	1,324,442
OPERATING INCOME	253,945	363,135
OTHER INCOME (EXPENSE):
Interest expense, net of interest capitalized	(136,820)	(107,240)
Equity in earnings of affiliates	54,625	1,633
Gain on deconsolidation of Propane Business	1,055,944	0
Losses on disposal of assets	(1,024)	(1,726)
Loss on extinguishment of debt	(115,023)	0
Gains (losses) on non-hedged interest rate derivatives	27,895	1,779
Other, net	678	218
INCOME BEFORE INCOME TAX EXPENSE	1,140,220	257,799
Income tax expense	14,123	10,597
NET INCOME	1,126,097	247,202
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST	11,364	0
NET INCOME ATTRIBUTABLE TO PARTNERS	1,114,733	247,202
GENERAL PARTNER'S INTEREST IN NET INCOME	116,537	107,539
LIMITED PARTNERS' INTEREST IN NET INCOME	$ 998,196	$ 139,663
BASIC NET INCOME PER LIMITED PARTNER UNIT	4.36	0.71
BASIC AVERAGE NUMBER OF UNITS OUTSTANDING	226,549,263	193,821,128
DILUTED NET INCOME PER LIMITED PARTNER UNIT	4.35	0.71
DILUTED AVERAGE NUMBER OF UNITS OUTSTANDING	227,406,484	194,526,600