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Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2022

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Asset Retirement Obligations

A reconciliation of our AROs is as follows:

			Years Ended December 31,
(in millions)			2022						2021
AROs, beginning of period			$	1,749.3					$	1,393.9
Liabilities incurred			14.9						20.2
Liabilities settled			(205.6)						(163.1)
Accretion expense			81.6						71.9
Revisions in estimated cash flows			264.5						443.3
Foreign currency translation			0.9						(16.9)
AROs, end of period			1,905.6						1,749.3
Less current portion			212.3						222.4
Non-current portion of AROs			$	1,693.3					$	1,526.9

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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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