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Notes Receivable (Schedule Of Current And Non-Current Notes Receivable) (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Current |  |
Current notes receivable | $ 223 | $ 233
Non‑current |  |
Total notes receivable | 2,500 | 1,857
Consumers Energy Company |  |
Current |  |
DB SERP note receivable – related party | 7 | 7
Non‑current |  |
Accounts and notes receivable – related parties | 96 | 99
Total notes receivable | 103 | 106
EnerBank |  |
Current |  |
Current notes receivable | 242 | 233
Non‑current |  |
Notes receivable | 2,258 | 1,624
EnerBank | EnerBank notes receivable, net of allowance for loan losses |  |
Current |  |
Current notes receivable | 223 | 233
EnerBank | EnerBank notes receivable held for sale |  |
Current |  |
Current notes receivable | $ 19 | $ 0

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