Stockholder's Equity - Schedule of Common Stock Activity (Details) - shares		12 Months Ended
		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.