Notes Receivable (Schedule Of Current And Non-Current Notes Receivable) (Details) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Current
Current portion of notes receivable	$ 237	$ 198
EnerBank notes receivable held for sale	26	2
Non-current
Total notes receivable	1,640	1,371
Consumers Energy Company
Current
Current portion of notes receivable	17	17
DB SERP note receivable – related party	7	0
Non-current
Notes receivable – related party	100	0
Total notes receivable	124	17
EnerBank
Current
EnerBank notes receivable held for sale	26
Non-current
Noncurrent notes receivable	1,377	1,171
EnerBank notes receivable, net of allowance for loan losses \| EnerBank
Current
Current portion of notes receivable	217	178
EnerBank notes receivable held for sale \| EnerBank
Current
EnerBank notes receivable held for sale	26	2
Michigan tax settlement
Current
Current portion of notes receivable	20	20
Michigan tax settlement \| Consumers Energy Company
Current
Current portion of notes receivable	$ 17	$ 17

The face amount of loans that will be sold to other entities.

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