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Notes Receivable (Schedule Of Current And Non-Current Notes Receivable) (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Current |  |
EnerBank notes receivable, net of allowance for loan losses | $ 272 | $ 242
Non‑current |  |
Total notes receivable | 2,907 | 2,500
Consumers Energy Company |  |
Current |  |
DB SERP note receivable – related party | 7 | 7
Non‑current |  |
DB SERP note receivable – related party | 101 | 96
Total notes receivable | 108 | 103
EnerBank |  |
Current |  |
EnerBank notes receivable, net of allowance for loan losses | 272 | 242
Non‑current |  |
EnerBank notes receivable, net of allowance for loan losses | $ 2,635 | $ 2,258

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