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Income Taxes (Tables)
 6 Months Ended
Jun. 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 six months ended June 30:
Three Months Ended
June 30,		Six Months Ended
June 30,
(Millions)2024202320242023
Proportional amortization recognized in tax provision
$48 $41 $95 $83 
Income tax credits and Other income tax benefits (a) recognized in tax provision
56 52 113 104 
(a) Other income tax benefits are a result of tax deductible expenses generated by our tax credit investments