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Income Taxes - Schedule of Company's Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Deferred Tax Liabilities, Gross [Abstract]    
Investment in projects $ 191 $ 241
Total deferred tax liabilities 191 241
Deferred tax assets:    
Interest expense disallowance carryforward - Investment in Projects 18 17
Production tax credits 16 15
Investment tax credits 7 6
U.S. Federal net operating loss carryforwards 58 73
State net operating loss carryforwards 7 7
Total deferred tax assets 106 118
Valuation allowance (4) (4)
Total deferred tax assets, net of valuation allowance 102 114
Net deferred non-current tax liability $ (89) $ (127)