XML 95 R58.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Fair Value Measurements (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Proved Oil and Gas Properties, Other Property, Plant and Equipment and Other Assets [Abstract]    
Proved oil and gas properties, other property, plant and equipment and other assets, carrying amount $ 998,000 $ 482,000
Proved oil and gas properties, other property, plant and equipment and other assets written down during the period - fair value at end of period 701,000 308,000
Pretax impairment charges for proved oil and gas properties and other assets, in which EOG utilized an accepted offer from a third-party purchaser 152,000 104,000
Pretax impairment charge for a commodity price-related write-down of other assets 90,000 49,000
Pretax impairment charges for proved oil and gas properties, other property, plant and equipment and other assets 297,000 174,000
Debt Disclosure [Abstract]    
Aggregate Principal Amount of Current and Long-Term Debt 5,140,000 6,040,000
Debt Instrument, Fair Value Disclosure 5,452,000 6,027,000
Assets From Price Risk Management Activities [Member]    
Financial Assets:    
Assets, Fair Value Disclosure 1,000 24,000
Liabilities From Price Risk Management Activities [Member]    
Financial Liabilities:    
Liabilities, Fair Value Disclosure 20,000  
Commodity Contract [Member] | Crude Oil [Member] | Price Swap [Member]    
Financial Assets:    
Assets, Fair Value Disclosure   23,806
Financial Liabilities:    
Liabilities, Fair Value Disclosure 23,266  
Commodity Contract [Member] | Crude Oil [Member] | Price Swap [Member] | Fair Value, Inputs, Level 1 [Member]    
Financial Assets:    
Assets, Fair Value Disclosure   0
Financial Liabilities:    
Liabilities, Fair Value Disclosure 0  
Commodity Contract [Member] | Crude Oil [Member] | Price Swap [Member] | Fair Value, Inputs, Level 2 [Member]    
Financial Assets:    
Assets, Fair Value Disclosure   23,806
Financial Liabilities:    
Liabilities, Fair Value Disclosure 23,266  
Commodity Contract [Member] | Crude Oil [Member] | Price Swap [Member] | Fair Value, Inputs, Level 3 [Member]    
Financial Assets:    
Assets, Fair Value Disclosure   $ 0
Financial Liabilities:    
Liabilities, Fair Value Disclosure 0  
Commodity Contract [Member] | Natural Gas Liquids | Price Swap [Member]    
Financial Assets:    
Assets, Fair Value Disclosure 3,401  
Commodity Contract [Member] | Natural Gas Liquids | Price Swap [Member] | Fair Value, Inputs, Level 1 [Member]    
Financial Assets:    
Assets, Fair Value Disclosure 0  
Commodity Contract [Member] | Natural Gas Liquids | Price Swap [Member] | Fair Value, Inputs, Level 2 [Member]    
Financial Assets:    
Assets, Fair Value Disclosure 3,401  
Commodity Contract [Member] | Natural Gas Liquids | Price Swap [Member] | Fair Value, Inputs, Level 3 [Member]    
Financial Assets:    
Assets, Fair Value Disclosure 0  
Commodity Contract [Member] | Natural Gas [Member] | Basis Swaps [Member]    
Financial Assets:    
Assets, Fair Value Disclosure 970  
Commodity Contract [Member] | Natural Gas [Member] | Basis Swaps [Member] | Fair Value, Inputs, Level 1 [Member]    
Financial Assets:    
Assets, Fair Value Disclosure 0  
Commodity Contract [Member] | Natural Gas [Member] | Basis Swaps [Member] | Fair Value, Inputs, Level 2 [Member]    
Financial Assets:    
Assets, Fair Value Disclosure 970  
Commodity Contract [Member] | Natural Gas [Member] | Basis Swaps [Member] | Fair Value, Inputs, Level 3 [Member]    
Financial Assets:    
Assets, Fair Value Disclosure $ 0