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Asset retirement obligations | 6 Months Ended
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Jun. 30, 2025
Asset Retirement Obligation Disclosure [Abstract] |
Asset retirement obligations | Asset retirement obligations Asset retirement obligation costs related to accretion of the Company’s liabilities and depreciation of the related assets were as follows:
|  | For the three months ended June 30, |  |  | For the six months ended June 30,
(In millions) |  | 2025 |  | 2024 |  |  | 2025 |  | 2024
Accretion |  | $4 |  | $3 |  |  | $7 |  | $7
Depreciation |  | 6 |  | 5 |  |  | 11 |  | 9
Total costs |  | $10 |  | $8 |  |  | $18 |  | $16
As of June 30, 2025 and December 31, 2024, the current portion of the Company’s liability for asset retirement obligations, which is included within Other current liabilities on the condensed consolidated balance sheets, was $34 million and $27 million, respectively, and the noncurrent portion of the Company’s liability for asset retirement obligations, which is included in Other noncurrent liabilities on t he condensed consolidated balance sheets, was $239 million and $242 million, respectively. The following is a reconciliation of asset retirement obligations:
(In millions) |  | 2025
Balance as of January 1 |  | $269
Accretion expense |  | 7
Liabilities incurred and acquired |  | 2
Liabilities settled |  | (7)
Foreign currency translation adjustment |  | 2
Balance as of June 30 |  | $273

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/410-20/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 20 -Topic 410 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-2 + Details
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