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Share-Based Compensation (Tables)
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6 Months Ended |
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Jun. 30, 2014
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
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| Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block] |
A summary of the changes in unvested shares of restricted stock during the Current Period is presented below. | | | | | | | | | | | Number of Unvested Restricted Shares | | Weighted Average Grant Date Fair Value | | | (in thousands) | | | Unvested shares as of January 1, 2014 | | 13,400 |
| | $ | 23.38 |
| Granted | | 4,754 |
| | $ | 26.11 |
| Vested | | (2,623 | ) | | $ | 23.00 |
| Forfeited | | (2,706 | ) | | $ | 29.27 |
| Unvested shares as of June 30, 2014 | | 12,825 |
| | $ | 23.23 |
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| Equity-Classified Share-Based Payment Award Valuation Assumptions [Table Text Block] |
The Company used the following weighted average assumptions to estimate the grant date fair value of the stock options granted in the Current Period: | | | | | Expected option life - years | | 5.9 |
| Volatility | | 48.63 | % | Risk-free interest rate | | 1.93 | % | Dividend yield | | 1.33 | % |
For the 2014 awards, the Company utilized the Monte Carlo simulation for the TSR performance measure, and used the following assumptions to determine the grant date fair value of the PSUs granted in the Current Period: | | | | | Volatility | | 41.37 | % | Risk-free interest rate | | 0.76 | % | Dividend yield for value of awards | | 1.36 | % |
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| Schedule of Share-Based Compensation, Stock Options, Activity [Table Text Block] |
The following table provides information related to stock option activity during the Current Period: | | | | | | | | | | | | | | | | | 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, 2014 | | 5,268 |
| | $ | 19.28 |
| | 6.66 | | $ | 41 |
| Granted | | 994 |
| | $ | 24.43 |
| | | | | Exercised | | (1,309 | ) | | $ | 18.75 |
| | | | $ | 11 |
| Expired | | (19 | ) | | $ | 18.97 |
| | | | | Forfeited | | (262 | ) | | $ | 20.30 |
| | | | | Outstanding at June 30, 2014 | | 4,672 |
| | $ | 19.60 |
| | 7.90 | | $ | 54 |
| | | | | | | | | | Exercisable at June 30, 2014 | | 1,106 |
| | $ | 18.55 |
| | 6.97 | | $ | 14 |
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___________________________________________ | | (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. |
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| Equity-Classified Stock-Based Compensation [Table Text Block] |
We recognized the following compensation costs related to restricted stock and stock options during the Current Quarter, the Prior Quarter, the Current Period and the Prior Period: | | | | | | | | | | | | | | | | | | | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | | 2014 | | 2013 | | 2014 | | 2013 | | | ($ in millions) | General and administrative expenses | | $ | 11 |
| | $ | 15 |
| | $ | 24 |
| | $ | 35 |
| Natural gas and oil properties | | 9 |
| | 12 |
| | 16 |
| | 32 |
| Natural gas, oil and NGL production expenses | | 5 |
| | 6 |
| | 8 |
| | 12 |
| Marketing, gathering and compression expenses | | 1 |
| | 1 |
| | 3 |
| | 4 |
| Oilfield services expenses | | 3 |
| | 2 |
| | 5 |
| | 5 |
| Total | | $ | 29 |
| | $ | 36 |
| | $ | 56 |
| | $ | 88 |
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We recognized the following compensation costs related to PSUs during the Current Quarter, the Prior Quarter, the Current Period and the Prior Period: | | | | | | | | | | | | | | | | | | | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | | 2014 | | 2013 | | 2014 | | 2013 | | | ($ in millions) | Natural gas and oil properties | | $ | 2 |
| | $ | 1 |
| | $ | 3 |
| | $ | 4 |
| General and administrative expenses | | 11 |
| | 4 |
| | 10 |
| | 9 |
| Marketing, gathering and compression expenses | | 1 |
| | — |
| | 1 |
| | 2 |
| Total | | $ | 14 |
| | $ | 5 |
| | $ | 14 |
| | $ | 15 |
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| Liability-Classified Share-Based Payment Award Valuation Assumptions [Table Text Block] |
The Company used the following weighted average assumptions to estimate the grant date fair value of the stock options granted in the Current Period: | | | | | Expected option life - years | | 5.9 |
| Volatility | | 48.63 | % | Risk-free interest rate | | 1.93 | % | Dividend yield | | 1.33 | % |
For the 2014 awards, the Company utilized the Monte Carlo simulation for the TSR performance measure, and used the following assumptions to determine the grant date fair value of the PSUs granted in the Current Period: | | | | | Volatility | | 41.37 | % | Risk-free interest rate | | 0.76 | % | Dividend yield for value of awards | | 1.36 | % |
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| Schedule of Nonvested Performance-based Units Activity [Table Text Block] |
The following table presents a summary of our PSU awards as of June 30, 2014: | | | | | | | | | | | | | | | | | | | Units | | Fair Value as of Grant Date | | Fair Value | | Liability for Vested Amount | | | | | ($ in millions) | 2012 Awards (a) | | | | | | | | | Payable 2015 | | 884,507 |
| | $ | 23 |
| | $ | 31 |
| | $ | 31 |
| | | | | | | | | | 2013 Awards | | | | | | | | | Payable 2016 | | 1,701,941 |
| | $ | 35 |
| | $ | 66 |
| | $ | 59 |
| | | | | | | | | | 2014 Awards | | | | | | | | | Payable 2017 | | 658,059 |
| | $ | 17 |
| | $ | 20 |
| | $ | 9 |
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___________________________________________ | | (a) | In the Current Period and the Prior Period, we paid $11 million and $2 million, respectively, related to 2012 PSU awards. |
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| Liability-Classified Stock-Based Compensation [Table Text Block] |
We recognized the following compensation costs related to restricted stock and stock options during the Current Quarter, the Prior Quarter, the Current Period and the Prior Period: | | | | | | | | | | | | | | | | | | | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | | 2014 | | 2013 | | 2014 | | 2013 | | | ($ in millions) | General and administrative expenses | | $ | 11 |
| | $ | 15 |
| | $ | 24 |
| | $ | 35 |
| Natural gas and oil properties | | 9 |
| | 12 |
| | 16 |
| | 32 |
| Natural gas, oil and NGL production expenses | | 5 |
| | 6 |
| | 8 |
| | 12 |
| Marketing, gathering and compression expenses | | 1 |
| | 1 |
| | 3 |
| | 4 |
| Oilfield services expenses | | 3 |
| | 2 |
| | 5 |
| | 5 |
| Total | | $ | 29 |
| | $ | 36 |
| | $ | 56 |
| | $ | 88 |
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We recognized the following compensation costs related to PSUs during the Current Quarter, the Prior Quarter, the Current Period and the Prior Period: | | | | | | | | | | | | | | | | | | | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | | 2014 | | 2013 | | 2014 | | 2013 | | | ($ in millions) | Natural gas and oil properties | | $ | 2 |
| | $ | 1 |
| | $ | 3 |
| | $ | 4 |
| General and administrative expenses | | 11 |
| | 4 |
| | 10 |
| | 9 |
| Marketing, gathering and compression expenses | | 1 |
| | — |
| | 1 |
| | 2 |
| Total | | $ | 14 |
| | $ | 5 |
| | $ | 14 |
| | $ | 15 |
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