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Income Taxes (Loss And Credit Carryforwards) (Details) $ in Millions | Dec. 31, 2021 USD ($)
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Operating Loss Carryforwards [Line Items] |
General business credits | $ 264
Total tax attributes | 332
Consumers Energy Company |
Operating Loss Carryforwards [Line Items] |
General business credits | 83
Total tax attributes | 134
Federal Tax Authority |
Operating Loss Carryforwards [Line Items] |
Federal net operating loss carryforwards | 3
Charitable contribution carryforwards | 6
Federal Tax Authority | Consumers Energy Company |
Operating Loss Carryforwards [Line Items] |
Federal net operating loss carryforwards | 2
Charitable contribution carryforwards | 5
State Tax Authority |
Operating Loss Carryforwards [Line Items] |
Local net operating loss carryforwards | 55
Charitable contribution carryforwards | 1
State Tax Authority | Consumers Energy Company |
Operating Loss Carryforwards [Line Items] |
Local net operating loss carryforwards | 43
Charitable contribution carryforwards | 1
Local Tax Authority |
Operating Loss Carryforwards [Line Items] |
Local net operating loss carryforwards | $ 3

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards and deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. + References No definition available. + Details
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