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Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2021

Asset Retirement Obligation Disclosure [Abstract]

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,
			2021						2020
Beginning balance			$	166					$	158
Accretion expense			3						3
Remeasurement/translation			(4)						(21)
Settlements/payments			(2)						(2)
Measurement period adjustment related to Cristal acquisition			—						4
Balance, March 31,			$	163					$	142

			March 31, 2021						December 31, 2020
Current portion included in “Accrued liabilities”			$	7					$	9
Noncurrent portion included in “Asset retirement obligations”			156						157
Asset retirement obligations			$	163					$	166

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859

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