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Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2023

Asset Retirement Obligation Disclosure [Abstract]

Change in Asset Retirement Obligations

Asset retirement obligations consist primarily of rehabilitation and restoration costs, landfill capping costs, decommissioning costs, and closure and post-closure costs. Activities related to asset retirement obligations were as follows:

			Three Months Ended March 31,
			2023						2022
Beginning balance			$	161					$	149
Additions			1						—
Accretion expense			4						4
Remeasurement/translation			(2)						4
Other, including change in estimates			(3)						—
Settlements/payments			(3)						(2)
Balance, March 31,			$	158					$	155

			March 31, 2023						December 31, 2022
Current portion included in “Accrued liabilities”			$	7					$	8
Noncurrent portion included in “Asset retirement obligations”			151						153
Asset retirement obligations			$	158					$	161

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- References

No definition available.

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- Definition

Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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