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Significant Accounting Policies and Recent Accounting Developments - Maintenance Costs (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Property, Plant and Equipment [Line Items] |  |
Capitalized shutdown costs | $ 14 | $ 34
Minimum |  |
Property, Plant and Equipment [Line Items] |  |
Capitalized shutdown costs, amortization period | 1 year |
Maximum |  |
Property, Plant and Equipment [Line Items] |  |
Capitalized shutdown costs, amortization period | 18 months |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A + Details
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