Annual report [Section 13 and 15(d), not S-K Item 405]

Income Taxes - Schedule of Effective Income Tax Reconciliation (Details)

v3.25.4
Income Taxes - Schedule of Effective Income Tax Reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]      
U.S. Federal Statutory Tax Rate $ 222 $ (391) $ 254
Tax Equity Credit Investments (27) (36) (18)
Research and Development Tax Credit (14) (26) (33)
Impairments 0 592 0
Current Year Stock Options net of APIC 25 20 20
Convertible Notes 0 (23) 32
Other 1 1 1
Effect of Cross-Border Tax Laws (1) (3) (7)
State and Local Income Tax, Net of Federal Income Tax Effects 49 51 36
Changes in Unrecognized Tax Benefits (4) 5 (54)
Other 0 20 (9)
Total income tax expense $ 251 $ 210 $ 222
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
U.S. Federal Statutory Tax Rate 21.00% 21.00% 21.00%
Tax Equity Credit Investments (2.50%) 1.90% (1.50%)
Research and Development Tax Credit (1.40%) 1.40% (2.70%)
Impairments 0.00% (31.80%) 0.00%
Current Year Stock Options net of APIC 2.30% (1.00%) 1.70%
Convertible Notes 0.00% 1.20% 2.60%
Other 0.10% (0.10%) 0.10%
Effect of Cross-Border Tax Laws (0.10%) 0.20% (0.60%)
State and Local Income Tax, Net of Federal Income Tax Effects 4.60% (2.90%) 2.90%
Changes in Unrecognized Tax Benefits (0.30%) (0.30%) (4.50%)
Other 0.10% (0.90%) (0.70%)
Effective tax rate 23.80% (11.30%) 18.30%