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Income Taxes (Details) - State and Local Jurisdiction - USD ($) $ in Millions | 3 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
Kansas Department of Revenue |  |
Operating Loss Carryforwards [Line Items] |  |
Reduction of our deferred tax expense | $ 115 |
Arkansas Department of Revenue |  |
Operating Loss Carryforwards [Line Items] |  |
Reduction of our deferred tax expense |  | $ 8

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- Definition Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-9 + Details
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