Long-Term Debt and Common Stock	6 Months Ended
Jun. 30, 2012
Long Term Debt And Common Stock [Abstract]
Long-Term Debt and Common Stock [Text Block]	10. Long-Term Debt and Common Stock Long-Term Debt. During the six months ended June 30, 2012, EOG utilized commercial paper and short-term borrowings from uncommitted credit facilities, bearing market interest rates, for various corporate financing purposes. EOG had no outstanding borrowings from commercial paper issuances or uncommitted credit facilities at June 30, 2012. The average of the borrowings outstanding under the commercial paper program and uncommitted credit facilities was $240 million and $82 thousand, respectively, during the six months ended June 30, 2012. The weighted average interest rates for commercial paper and uncommitted credit facility borrowings for the six months ended June 30, 2012 were 0.44% and 0.70%, respectively. EOG currently has a $2.0 billion unsecured Revolving Credit Agreement (Agreement) with domestic and foreign lenders. The Agreement matures on October 11, 2016 and includes an option for EOG to extend, on up to two occasions, the term for successive one-year periods, subject to, among certain other terms and conditions, the consent of the banks holding greater than 50% of the commitments then outstanding under the Agreement. At June 30, 2012, there were no borrowings or letters of credit outstanding under the Agreement. Advances under the Agreement accrue interest based, at EOG's option, on either the London InterBank Offered Rate (LIBOR) plus an applicable margin (Eurodollar rate), or the base rate (as defined in the Agreement) plus an applicable margin. At June 30, 2012, the Eurodollar rate and applicable base rate, had there been any amounts borrowed under the Agreement, would have been 1.12% and 3.25%, respectively. Common Stock. On February 16, 2012, EOG's Board of Directors increased the quarterly cash dividend on the Common Stock from the previous $0.16 per share to $0.17 per share, effective with the dividend paid on April 30, 2012 to stockholders of record as of April 16, 2012.

10. Long-Term Debt and Common Stock

Long-Term Debt. During the six months ended June 30, 2012, EOG utilized commercial paper and short-term borrowings from uncommitted credit facilities, bearing market interest rates, for various corporate financing purposes. EOG had no outstanding borrowings from commercial paper issuances or uncommitted credit facilities at June 30, 2012. The average of the borrowings outstanding under the commercial paper program and uncommitted credit facilities was $240 million and $82 thousand, respectively, during the six months ended June 30, 2012. The weighted average interest rates for commercial paper and uncommitted credit facility borrowings for the six months ended June 30, 2012 were 0.44% and 0.70%, respectively.

EOG currently has a $2.0 billion unsecured Revolving Credit Agreement (Agreement) with domestic and foreign lenders. The Agreement matures on October 11, 2016 and includes an option for EOG to extend, on up to two occasions, the term for successive one-year periods, subject to, among certain other terms and conditions, the consent of the banks holding greater than 50% of the commitments then outstanding under the Agreement. At June 30, 2012, there were no borrowings or letters of credit outstanding under the Agreement. Advances under the Agreement accrue interest based, at EOG's option, on either the London InterBank Offered Rate (LIBOR) plus an applicable margin (Eurodollar rate), or the base rate (as defined in the Agreement) plus an applicable margin. At June 30, 2012, the Eurodollar rate and applicable base rate, had there been any amounts borrowed under the Agreement, would have been 1.12% and 3.25%, respectively.

Common Stock. On February 16, 2012, EOG's Board of Directors increased the quarterly cash dividend on the Common Stock from the previous $0.16 per share to $0.17 per share, effective with the dividend paid on April 30, 2012 to stockholders of record as of April 16, 2012.