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v3.25.4

Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Reserve for materials and supplies |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | $ 3.5 | $ 7.2 | $ 9.5
Charged to Costs and Expenses | 2.9 | 1.7 | 2.6
Deductions | (1.3) | (5.4) | (4.9)
Other(2) | 0.0 | 0.0 | 0.0
Balance at End of Period | 5.1 | 3.5 | 7.2
Tax valuation allowances |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | 1,420.9 | 1,473.5 | 1,451.0
Charged to Costs and Expenses | 16.4 | (9.6) | 0.6
Deductions | 0.0 | 0.0 | 0.0
Other(2) | 31.9 | (43.0) | 21.9
Balance at End of Period | $ 1,469.2 | $ 1,420.9 | $ 1,473.5

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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-5 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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