v3.26.1
Income Taxes (Tables)
 6 Months Ended
Jun. 30, 2026
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation
A reconciliation of the income tax benefit and effective tax rate based on the statutory U.S. federal income tax rate is as follows:

Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
(millions, except for percentages)
Income tax expense (benefit) at U.S. statutory rate of 21%$— 21.0 %$3 21.0 %$(20)21.0 %$(71)21.0 %
Increases (reductions) resulting from:
Taxes attributable to noncontrolling interests(8)(392.4)(24)(206.2)10 (10.8)21 (6.0)
State income taxes – net of federal income tax expense (benefit)
1 62.9 (7)(59.2)— (0.4)(15)4.4 
Clean energy tax credits(5)(271.1)(9)(74.1)(55)56.5 (14)4.2 
Valuation allowance— 10.5 — 2.6 2 (2.2)1 (0.2)
Other – net
1 19.1 (1)(0.8)1 (0.2)(2)0.3 
Income tax benefit and effective tax rate from continuing
operations
$(11)(550.0)%$(38)(316.7)%$(62)63.9 %$(80)23.7 %