Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2023

Asset Retirement Obligation [Abstract]

Schedule of Asset Retirement Obligation Rollforward Analysis

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, 2023 and 2022 (in millions):

	Three Months Ended March 31,
	2023		2022
Carrying Amount at January 1	$	1,328	$	1,231
Liabilities Incurred	6		20
Liabilities Settled (1)	(30)		(131)
Accretion	13		11
Revisions	1		2
Carrying Amount at March 31	$	1,318	$	1,133
Current Portion	$	39	$	41
Noncurrent Portion	$	1,279	$	1,092

(1)Includes settlements related to asset sales.