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Stockholder's Equity - Schedule of Common Stock Activity (Details) - shares | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Common Stock Activity [Roll Forward] |  |  |  |
Beginning Balance (in shares) |  | 585,521,512 |  |
Ending Balance (in shares) |  | 588,396,757 | 585,521,512 |
Preferred stock, shares outstanding (in shares) |  | 0 |  |
Common Shares, Issued |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Beginning Balance (in shares) |  | 585,522,000 | 583,695,000 | 582,213,000
Common Stock Issued Under Stock-Based Compensation Plans (in shares) |  | 2,674,000 | 1,511,000 | 1,482,000
Treasury Stock Purchased (1) (in shares) | [1] | 0 | 0 | 0
Common Stock Issued Under Employee Stock Purchase Plan (in shares) |  | 201,000 | 316,000 | 0
Treasury Stock Issued Under Stock-Based Compensation Plans (in shares) |  | 0 | 0 | 0
Ending Balance (in shares) |  | 588,397,000 | 585,522,000 | 583,695,000
Common Shares, Outstanding |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Beginning Balance (in shares) |  | 585,265,000 | 583,571,000 | 581,914,000
Common Stock Issued Under Stock-Based Compensation Plans (in shares) |  | 2,674,000 | 1,511,000 | 1,482,000
Treasury Stock Purchased (1) (in shares) | [1] | (997,000) | (504,000) | (389,000)
Common Stock Issued Under Employee Stock Purchase Plan (in shares) |  | 201,000 | 316,000 | 377,000
Treasury Stock Issued Under Stock-Based Compensation Plans (in shares) |  | 554,000 | 371,000 | 187,000
Ending Balance (in shares) |  | 587,697,000 | 585,265,000 | 583,571,000
Common Stock Held In Treasury |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Beginning Balance (in shares) |  | 257,000 | 124,000 | 299,000
Common Stock Issued Under Stock-Based Compensation Plans (in shares) |  | 0 | 0 | 0
Treasury Stock Purchased (1) (in shares) | [1] | (997,000) | (504,000) | (389,000)
Common Stock Issued Under Employee Stock Purchase Plan (in shares) |  | 0 | 0 | 377,000
Treasury Stock Issued Under Stock-Based Compensation Plans (in shares) |  | 554,000 | 371,000 | 187,000
Ending Balance (in shares) |  | 700,000 | 257,000 | 124,000
[1] | Represents shares that were withheld by or returned to EOG (i) in satisfaction of tax withholding obligations that arose upon the exercise of employee stock options or SARs or the vesting of restricted stock, restricted stock unit or performance unit grants or (ii) in payment of the exercise price of employee stock options.

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- Definition Number of treasury shares issued during the period as a result of other equity compensation plans. Upon reissuance, these are common shares outstanding. + References No definition available. + Details
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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