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Stockholders' Equity, Stock-Based Compensation, Performance Share Units and Noncontrolling Interests (Tables)

9 Months Ended

Sep. 30, 2013

The following is a summary of the changes in our common shares issued for the nine months ended September 30, 2013 and 2012:



	Nine Months Ended September 30,
	2013	2012
	(in thousands)
Shares issued as of January 1	666,468	660,888
Restricted stock issuances (net of forfeitures)^(a)	684	5,758
Stock option exercises	321	309
Shares issued as of September 30	667,473	666,955

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(a)

In June 2013, we began granting restricted stock units (RSUs) in lieu of restricted stock awards (RSAs) to non-employee directors, and in the Current Quarter, we began granting RSUs in lieu of RSAs to employees. Shares of common stock underlying RSUs are issued when the units vest, whereas restricted shares of common stock are issued on the grant date of RSAs. We refer to RSAs and RSUs collectively as restricted stock.

Preferred Stock [Table Text Block]

The following reflects the shares outstanding and liquidation preference of our preferred shares for the nine months ended September 30, 2013 and 2012:



	5.75%		5.75% (A)		4.50%		5.00% (2005B)		Total
Shares outstanding as of January 1, 2013 and 2012 and September 30, 2013 and 2012 (in thousands)	1,497		1,100		2,559		2,096		7,252

Liquidation preference per share	$	1,000	$	1,000	$	100	$	100

Stock-Based Compensation [Table Text Block]

We recorded the following stock-based compensation during the Current Quarter, the Prior Quarter, the Current Period and the Prior Period:



	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
	($ in millions)
Natural gas and oil properties	$	12	$	18	$	45	$	55
General and administrative expenses	13		17		48		55
Natural gas, oil and NGL production expenses	5		6		17		18
Marketing, gathering and compression expenses	2		4		5		12
Oilfield services expenses	3		2		8		8
Total	$	35	$	47	$	123	$	148

Restricted Stock [Table Text Block]

A summary of the changes in unvested shares during the nine months ended September 30, 2013 is presented below.



	Number of Unvested Restricted Shares		Weighted Average Grant-Date Fair Value
	(in thousands)
Unvested shares as of January 1, 2013	18,899		$	23.72
Granted	9,053		$	19.44
Vested	(9,553	)	$	23.31
Forfeited	(1,353	)	$	21.61
Unvested shares as of September 30, 2013	17,046		$	21.85

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following table provides information related to stock option activity for the nine months ended September 30, 2013:



	Number of Shares Underlying Options		Weighted Average Exercise Price Per Share		Weighted Average Contract Life in Years	Aggregate Intrinsic Value^(a)
	(in thousands)					($ in millions)
Outstanding at January 1, 2013	481		$	12.69	0.96	$	2
Granted	5,264		$	19.32
Exercised	(345	)	$	10.81
Expired	(94	)	$	19.43
Outstanding at September 30, 2013	5,306		$	19.27	7.18	$	35

Exercisable at September 30, 2013	1,386		$	18.79	2.34	$	10

___________________________________________


(a)	The intrinsic value of a stock option is the amount by which the current market value or the market value upon exercise of the underlying stock exceeds the exercise price of the option.

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

The following table presents a summary of our PSU awards as of September 30, 2013:



	Units	Fair Value as of Grant-Date		Fair Value		Liability for Vested Amount
		($ in millions)
2012 Awards ^(a)
Payable 2014	278,084	$	8	$	10	$	10
Payable 2015	834,246	23		29		28
Total 2012 Awards	1,112,330	$	31	$	39	$	38

2013 Awards
Payable 2016	1,637,601	$	37	$	54	$	40

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(a)	In the Current Period, we paid $2 million related to 2012 PSU awards.

Distributions Made to Limited Partner, by Distribution [Table Text Block]

For the Current Period and Prior Period, the Trust declared and paid the following distributions:



Production Period	Distribution Date	Cash Distribution per Common Unit		Cash Distribution per Subordinated Unit
March 2013 - May 2013	August 29, 2013	$	0.6900	$	0.1432
December 2012 - February 2013	May 31, 2013	$	0.6900	$	0.3010
September 2012 - November 2012	March 1, 2013	$	0.6700	$	0.3772
March 2012 - May 2012	August 30, 2012	$	0.6100	$	0.4819
December 2011 - February 2012	May 31, 2012	$	0.6588	$	0.6588
September 2011 - November 2011	March 1, 2012	$	0.7277	$	0.7277

- Definition

Tabular disclosure of preferred units of master limited partnerships that have priority over limited partner units in areas including liquidation, redemption, conversion, tax status of distribution or sharing in distributions. This schedule ordinarily includes a description of the preferred units that details various rights including redemption, conversion, liquidation, and sharing in distributions; capital contributed by preferred partners; number of preferred units authorized to be issued, issued, and outstanding; aggregate cumulative cash distributions made to the preferred partners; aggregate cumulative net income earned by the preferred partners; capital account balance of the preferred partners.

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