|
Variable Interest Entities - Narrative (Details) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | 6 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2014
|
Dec. 31, 2013
|
Jun. 30, 2013
|
Dec. 31, 2012
|
Jun. 30, 2014
Variable Interest Entities
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Dec. 31, 2013
Variable Interest Entities
|
Jun. 30, 2014
Variable Interest Entities
Chesapeake Granite Wash Trust [Member]
Consolidated Entities [Member]
|
Jun. 30, 2014
Corporate Ownership Requirement [Member]
Mineral Acquisition Company I, L.P. [Member]
Limited Partner [Member]
|
Jun. 30, 2014
Corporate Ownership Requirement [Member]
Mineral Acquisition Company I, L.P. [Member]
Minimum [Member]
Limited Partner [Member]
|
Jun. 30, 2014
Corporate Ownership Requirement [Member]
Mineral Acquisition Company I, L.P. [Member]
Maximum [Member]
Limited Partner [Member]
|
Jun. 30, 2014
Partner Ownership Requirement [Member]
Mineral Acquisition Company I, L.P. [Member]
Limited Partner [Member]
|
Jun. 30, 2014
Partner Ownership Requirement [Member]
Mineral Acquisition Company I, L.P. [Member]
Maximum [Member]
Limited Partner [Member]
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| Variable Interest Entity [Line Items] | ||||||||||||
| Cash and cash equivalents | $ 1,462 | $ 837 | $ 677 | $ 287 | $ 1 | $ 1 | $ 1 | |||||
| Proved natural gas and oil properties ($488 and $488 attributable to our VIE) | 58,914 | 56,157 | 488 | 488 | 287 | |||||||
| Short-term derivative liabilities ($9 and $5 attributable to our VIE) | 417 | 208 | 9 | 5 | 9 | |||||||
| Other current liabilities ($20 and $22 attributable to our VIE) | 3,293 | 3,511 | 20 | 22 | 20 | |||||||
| Long-term derivative liabilities ($1 and $0 attributable to our VIE) | 389 | 445 | 1 | 0 | 1 | |||||||
| Percentage of acquisition | 10.00% | 90.00% | ||||||||||
| Other Commitment | 25 | 225 | ||||||||||
| Percentage of royalty minimum | 7.00% | |||||||||||
| Percentage of royalty maximum | 22.50% | |||||||||||
| Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | $ 9 | |||||||||||