v2.4.0.8
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
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]
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