Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2026	Jun. 30, 2025
State
Operating Loss Carryforwards [Line Items]
Reduction of our deferred tax expense	$ 27
Kansas
Operating Loss Carryforwards [Line Items]
Reduction of our deferred tax expense		$ 115

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.

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

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration