Long-Term Debt (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2013

Dec. 31, 2012

Long-Term Debt

Summary of carrying and fair values of debt facilities

	As of
	March 31, 2013				December 31, 2012
	Carrying				Carrying
	Value		Fair Value		Value		Fair Value
	(In thousands)
7 % Senior Notes due 2013 (1)	$	500,000	$	513,350	$	500,000	$	521,875
6 5/8% Senior Notes due 2014	1,000,000		1,063,750		1,000,000		1,078,500
7 3/4% Senior Notes due 2015	750,000		815,385		750,000		844,725
7 1/8% Senior Notes due 2016	1,500,000		1,668,750		1,500,000		1,683,750
4 5/8% Senior Notes due 2017	900,000		933,750		900,000		940,500
7 7/8% Senior Notes due 2019	1,400,000		1,664,250		1,400,000		1,669,500
6 3/4% Senior Notes due 2021	2,000,000		2,220,000		2,000,000		2,280,000
5 7/8% Senior Notes due 2022	2,000,000		2,102,000		2,000,000		2,150,000
5 % Senior Notes due 2023	1,500,000		1,485,000		1,500,000		1,548,750
Mortgages and other notes payable	65,082		65,082		65,427		65,427
Subtotal	11,615,082		$	12,531,317	11,615,427		$	12,783,027
Capital lease obligations (2)	240,334		NA		248,304		NA
Total long-term debt and capital lease obligations (including current portion)	$	11,855,416			$	11,863,731

(1) Our 7% Senior Notes with an aggregate principal balance of $500 million mature on October 1, 2013.

(2) Disclosure regarding fair value of capital leases is not required.

	As of December 31,
	2012				2011
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
7 % Senior Notes due 2013 (1)	500,000		521,875		500,000		535,000
6 5/8% Senior Notes due 2014	1,000,000		1,078,500		1,000,000		1,060,000
7 3/4% Senior Notes due 2015	750,000		844,725		750,000		817,500
7 1/8% Senior Notes due 2016	1,500,000		1,683,750		1,500,000		1,593,750
4 5/8% Senior Notes due 2017	900,000		940,500		—		—
7 7/8% Senior Notes due 2019	1,400,000		1,669,500		1,400,000		1,589,000
6 3/4% Senior Notes due 2021	2,000,000		2,280,000		2,000,000		2,140,000
5 7/8% Senior Notes due 2022	2,000,000		2,150,000		—		—
5 % Senior Notes due 2023	1,500,000		1,548,750		—		—
Mortgages and other notes payable	65,427		65,427		71,871		71,871
Subtotal	11,615,427		$	12,783,027	7,221,871		$	7,807,121
Capital lease obligations (2)	248,304		NA		270,893		NA
Total long-term debt and capital lease obligations (including current portion)	$	11,863,731			$	7,492,764

(1) Our 7% Senior Notes with an aggregate principal balance of $500 million mature on October 1, 2013 and have been reclassified to “Current portion of long-term debt and capital lease obligations” on our Consolidated Balance Sheets as of December 31, 2012.

(2) Disclosure regarding fair value of capital leases is not required.