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Income Taxes (Tables) | 9 Months Ended
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Sep. 30, 2024
Income Tax Disclosure [Abstract] |
Tax credit investments expenses and related income tax credits and other tax benefits | The following table presents tax credit investment expenses and associated income tax credits and other income tax benefits for the three and nine months ended September 30:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30, |  |
(Millions) |  | 2024 |  | 2023 |  | 2024 |  | 2023 |  |  |  |
Proportional amortization recognized in tax provision |  | $ | 48 |  |  | $ | 39 |  |  | $ | 143 |  |  | $ | 122 |  |  |  |  |
Income tax credits and Other income tax benefits (a) recognized in tax provision |  | 51 |  |  | 49 |  |  | 164 |  |  | 153 |  |  |  |  |
(a) Other income tax benefits are a result of tax deductible expenses generated by our tax credit investments

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