Employee Benefit Plans - Schedule of Restricted Stock and Restricted Stock Unit Transactions (Details) - Restricted Stock and Restricted Stock Units - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		12 Months Ended
		Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Number of Shares and Units [Roll Forward]
Beginning balance (in shares)		4,680	[1]	4,742	[1]	4,546
Granted (in shares)		1,637		1,422		1,488
Released (in shares)	[2]	(2,019)		(1,388)		(1,213)
Forfeited (in shares)		(185)		(96)		(79)
Ending balance (in shares)	[1]	4,113		4,680		4,742
Weighted Average Grant Price Stock Option and SARs [Rollfoward]
Beginning balance (in USD per share)		$ 69.37	[1]	$ 74.97	[1]	$ 90.16
Granted (in USD per share)		113.21		81.50		38.10
Released (in USD per share)	[2]	81.76		101.00		85.92
Forfeited (in USD per share)		68.89		68.26		86.52
Ending balance (in USD per share)	[1]	$ 80.77		$ 69.37		$ 74.97
Intrinsic value of restricted stock and restricted stock units released during the years		$ 223		$ 110		$ 48
Aggregate intrinsic value of stock and unit outstanding		$ 533		$ 416		$ 236

[1] The total intrinsic value of restricted stock and restricted stock units outstanding at December 31, 2022, 2021 and 2020 was $533 million, $416 million and $236 million, respectively. The intrinsic value is based on the closing market price of the Common Stock on the last trading day of the year.

[2] The total intrinsic value of restricted stock and restricted stock units released during the years ended December 31, 2022, 2021 and 2020 was $223 million, $110 million and $48 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)