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Asset Retirement Obligations
3 Months Ended
Mar. 31, 2022
Asset Retirement Obligation [Abstract]  
Asset Retirement Obligations Asset Retirement Obligations
The following table presents the reconciliation of the beginning and ending aggregate carrying amounts of short-term and long-term legal obligations associated with the retirement of property, plant and equipment for the three-month periods ended March 31, 2022 and 2021 (in millions):
Three Months Ended
March 31,
 20222021
Carrying Amount at January 1$1,231 $1,217 
Liabilities Incurred20 12 
Liabilities Settled (1)
(131)(5)
Accretion11 11 
Revisions
Carrying Amount at March 31
$1,133 $1,237 
Current Portion$41 $49 
Noncurrent Portion$1,092 $1,188 
(1)Includes settlements related to asset sales.

The current and noncurrent portions of EOG's asset retirement obligations are included in Current Liabilities - Other and Other Liabilities, respectively, on the Condensed Consolidated Balance Sheets.