v2.4.0.8
Other Property and Equipment Other Property and Equipment Net Gains (Losses) on Sales of Fixed Assets Table (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Property, Plant and Equipment [Line Items]        
Net gains on sales of fixed assets $ (93) $ (109) $ (115) $ (158)
Compressors [Member]
       
Property, Plant and Equipment [Line Items]        
Net gains on sales of fixed assets (94) 0 (120) 0
Gathering and Processing Equipment [Member]
       
Property, Plant and Equipment [Line Items]        
Net gains on sales of fixed assets 10 (109) 13 (179)
Exploration and Production Equipment [Member]
       
Property, Plant and Equipment [Line Items]        
Net gains on sales of fixed assets (9) 0 (7) 1
Land and Building [Member]
       
Property, Plant and Equipment [Line Items]        
Net gains on sales of fixed assets 1 1 1 23
Other Assets [Member]
       
Property, Plant and Equipment [Line Items]        
Net gains on sales of fixed assets $ (1) $ (1) $ (2) $ (3)