Commitments and Contingencies (Details) $ in Millions	Jan. 29, 2025 USD ($)	Jan. 17, 2025 USD ($)	Jun. 24, 2022 lawsuit
Growth Energy
Commitments And Contingencies [Line Items]
Number of lawsuit | lawsuit			2
HFS Navajo | HFS Navajo vs Navajo Matter Government Agencies
Commitments And Contingencies [Line Items]
Required payments in litigation settlement		$ 34
HFS Navajo | HFS Navajo vs Navajo Matter Government Agencies | 2022 Consent Decree
Commitments And Contingencies [Line Items]
Required payments in litigation settlement	$ 1
HFS Navajo | HFS Navajo vs Navajo Matter Government Agencies | Injunctive Relief and Mitigation Measures
Commitments And Contingencies [Line Items]
Estimated cost of injunctive relief and mitigation measures required to be implemented		137
HFS Navajo | HFS Navajo vs Navajo Matter Government Agencies | United States Government | 2025 Consent Decree
Commitments And Contingencies [Line Items]
Required payments in litigation settlement		10
HFS Navajo | HFS Navajo vs Navajo Matter Government Agencies | United States Government | Payments due by January 2026
Commitments And Contingencies [Line Items]
Required payments in litigation settlement		7
HFS Navajo | HFS Navajo vs Navajo Matter Government Agencies | State Of New Mexico | 2025 Consent Decree
Commitments And Contingencies [Line Items]
Required payments in litigation settlement		10
HFS Navajo | HFS Navajo vs Navajo Matter Government Agencies | State Of New Mexico | Payments due by January 2026
Commitments And Contingencies [Line Items]
Required payments in litigation settlement		$ 7