v2.4.0.6

Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Notes To Financial Statements [Abstract] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | Stock-based compensation expense is included on the Consolidated Statements of Income and Comprehensive Income based upon job functions of the employees receiving the grants. Compensation expense related to EOG's stock-based compensation plans for the years ended December 31, 2012, 2011 and 2010 was as follows (in millions):
|  | 2012 |  | 2011 |  | 2010
Lease and Well | $ | 35 | $ | 33 | $ | 27
Gathering and Processing Costs |  | 1 |  | 1 |  | 1
Exploration Costs |  | 27 |  | 26 |  | 24
General and Administrative |  | 65 |  | 68 |  | 55
Total | $ | 128 | $ | 128 | $ | 107
Weighted Average Fair Values and Valuation Assumptions | Weighted average fair values and valuation assumptions used to value stock option, SAR and ESPP grants for the years ended December 31, 2012, 2011 and 2010 were as follows:
| Stock Options/SARs |  | ESPP
| 2012 |  | 2011 |  | 2010 |  | 2012 |  | 2011 |  | 2010
Weighted Average Fair Value of Grants | $37.95 |  | $29.92 |  | $32.12 |  | $25.11 |  | $22.75 |  | $25.45
Expected Volatility | 39.68% |  | 40.96% |  | 39.70% |  | 40.92% |  | 29.82% |  | 38.30%
Risk-Free Interest Rate | 0.45% |  | 0.58% |  | 0.87% |  | 0.11% |  | 0.14% |  | 0.18%
Dividend Yield | 0.60% |  | 0.70% |  | 0.70% |  | 0.60% |  | 0.70% |  | 0.70%
Expected Life | 5.6 yrs |  | 5.6 yrs |  | 5.5 yrs |  | 0.5 yrs |  | 0.5 yrs |  | 0.5 yrs
Schedule of Share Based Compensation Arrangement By Share Based Payment Award | The following table sets forth the stock option and SAR transactions for the years ended December 31, 2012, 2011 and 2010 (stock options and SARs in thousands):
| 2012 |  | 2011 |  | 2010
| Number | Weighted |  | Number | Weighted |  | Number | Weighted
| of Stock | Average |  | of Stock | Average |  | Of Stock | Average
| Options/ | Grant |  | Options/ | Grant |  | Options/ | Grant
| SARs | Price |  | SARs | Price |  | SARs | Price
Outstanding at January 1 | 8,374 | $ 70.01 |  | 8,445 | $64.49 |  | 8,335 | $57.08
Granted | 1,240 | 111.97 |  | 1,509 | 85.29 |  | 1,450 | 93.07
Exercised (1) | (3,246) | 54.80 |  | (1,399) | 50.86 |  | (1,144) | 43.38
Forfeited | (149) | 91.18 |  | (181) | 87.74 |  | (196) | 84.22
Outstanding at December 31 | 6,219 | 85.81 |  | 8,374 | 70.01 |  | 8,445 | 64.49
Stock Options/SARs Exercisable at December 31 | 3,143 | 74.98 |  | 5,148 | 59.19 |  | 5,439 | 51.71
(1) | The total intrinsic value of stock options/SARs exercised during the years 2012, 2011 and 2010 was $185 million, $78 million and $66 million, respectively. The intrinsic value is based upon the difference between the market price of the Common Stock on the date of exercise and the grant price of the stock options/SARs.
Stock Options and SARs Outstanding and Exercisable | The following table summarizes certain information for the stock options and SARs outstanding at December 31, 2012 (stock options and SARs in thousands):
Stock Options/SARs Outstanding |  | Stock Options/SARs Exercisable
|  | Weighted |  |  |  |  |  |  | Weighted |  |  |  |
|  | Average |  | Weighted |  |  |  |  | Average |  | Weighted |  |
Range of | Stock | Remaining |  | Average |  | Aggregate |  | Stock | Remaining |  | Average |  | Aggregate
Grant | Options/ | Life |  | Grant |  | Intrinsic |  | Options/ | Life |  | Grant |  | Intrinsic
Prices | SARs | (Years) |  | Price |  | Value(1) |  | SARs | (Years) |  | Price |  | Value(1)
$ 18.00 to $ 69.99 | 846 | 1 |  | $ 45.84 |  |  |  | 838 | 1 |  | $45.62 |  |
70.00 to 81.99 | 1,168 | 3 |  | 78.44 |  |  |  | 932 | 3 |  | 77.64 |  |
82.00 to 88.99 | 1,767 | 5 |  | 85.14 |  |  |  | 790 | 4 |  | 87.14 |  |
89.00 to 109.99 | 1,157 | 4 |  | 93.37 |  |  |  | 508 | 4 |  | 92.76 |  |
110.00 to 136.99 | 1,281 | 6 |  | 113.03 |  |  |  | 75 | 4 |  | 121.24 |  |
| 6,219 | 4 |  | 85.81 |  | $217,879 |  | 3,143 | 3 |  | 74.98 |  | $144,335
(1) | Based upon the difference between the closing market price of the Common Stock on the last trading day of the year and the grant price of in-the-money stock options and SARs.
ESPP Activity | At December 31, 2012, approximately 625,000 shares of Common Stock remained available for issuance under the ESPP. The following table summarizes ESPP activities for the years ended December 31, 2012, 2011 and 2010 (in thousands, except number of participants):
|  | 2012 |  | 2011 |  | 2010
Approximate Number of Participants |  | 1,705 |  | 1,525 |  | 1,236
Shares Purchased |  | 164 |  | 135 |  | 114
Aggregate Purchase Price | $ | 12,522 | $ | 10,947 | $ | 9,172
Restricted Stock and Restricted Stock Unit Transactions | The following table sets forth the restricted stock and restricted stock unit transactions for the years ended December 31, 2012, 2011 and 2010 (shares and units in thousands):
| 2012 |  | 2011 |  | 2010
|  | Weighted |  |  | Weighted |  |  | Weighted
| Number of | Average |  | Number of | Average |  | Number of | Average
| Shares and | Grant Date |  | Shares and | Grant Date |  | Shares and | Grant Date
| Units | Fair Value |  | Units | Fair Value |  | Units | Fair Value
Outstanding at January 1 | 4,240 | $82.93 |  | 4,009 | $79.13 |  | 3,636 | $73.69
Granted | 767 | 112.17 |  | 932 | 90.87 |  | 850 | 93.39
Released (1) | (1,059) | 72.70 |  | (457) | 66.10 |  | (364) | 58.00
Forfeited | (130) | 85.36 |  | (244) | 82.45 |  | (113) | 79.37
Outstanding at December 31 (2) | 3,818 | 91.06 |  | 4,240 | 82.93 |  | 4,009 | 79.13
(1) | The total intrinsic value of restricted stock and restricted stock units released during the years ended December 31, 2012, 2011 and 2010 was $120 million, $44 million and $35 million, respectively. The intrinsic value is based upon the closing price of EOG's common stock on the date restricted stock and restricted stock units are released.
(2) | The aggregate intrinsic value of restricted stock and restricted stock units outstanding at December 31, 2012 and 2011 was approximately $461 million and $418 million, respectively.

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64, 65, A240 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of employee stock purchase plan activity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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