CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 41,499		$ 15,627
Restricted cash	144,384
Accounts receivable	272,750		341,915
Inventories	34,529		46,234
Hedging asset	443,461		514,465
Other	66,890		60,037
Total current assets	1,003,513		978,278
Property and Equipment:
Natural gas and oil properties, using the full cost method, including $1,035.6 million in 2012 and $942.9 million in 2011 excluded from amortization	10,428,993		9,544,708
Gathering systems	1,055,614		980,647
Other	568,775		535,464
Less: Accumulated depreciation, depletion and amortization	(5,763,882)		(4,415,339)
Total property and equipment, net	6,289,500		6,645,480
Other Assets	210,950		279,139
TOTAL ASSETS	7,503,963	[1]	7,902,897
Current liabilities:
Accounts payable	484,146		514,071
Taxes payable	61,453		40,691
Interest payable	34,435		20,565
Advances from partners	116,077		84,082
Current deferred income taxes	167,888		194,163
Other	21,950		31,341
Total current liabilities	885,949		884,913
Long-term debt	1,668,811		1,342,100
Other Liabilities:
Deferred income taxes	1,321,980		1,586,798
Pension and other postretirement liabilities	16,716		20,338
Other long-term liabilities	94,630		99,444
Total long term liabilities	3,102,137		3,048,680
Equity:
Common stock, $0.01 par value; authorized 1,250,000,000 shares; issued 349,214,796 shares in 2012 and 349,058,501 in 2011	3,492		3,491
Additional paid-in capital	916,951		903,399
Retained earnings	2,275,818		2,656,214
Accumulated other comprehensive income	321,931		408,428
Common stock in treasury, 101,659 shares in 2012 and 98,889 in 2011	(2,315)		(2,228)
Total equity	3,515,877		3,969,304
TOTAL LIABILITIES AND EQUITY	$ 7,503,963		$ 7,902,897

[1] Capital investments include an increase of $0.2 million and a reduction of $56.4 million for the three-month periods ended June 30, 2012 and 2011, respectively, and increases of $15.5 million and $57.9 million for the six-month periods ended June 30, 2012 and 2011, respectively, relating to the change in accrued expenditures between periods.