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Notes Receivable (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2015
Notes Receivable [Abstract] |
Schedule Of Current And Non-Current Notes Receivable |
In Millions
| June 30, 2015 | December 31, 2014 |
CMS Energy |  |  |  |  |  |  |
Current |  |  |  |  |  |  |
EnerBank notes receivable, net of allowance for loan losses |  | $ | 113 |  | $ | 97 |
EnerBank notes receivable held for sale |  |  | - |  |  | 41 |
Other |  |  | 1 |  |  | 1 |
Non-current |  |  |  |  |  |  |
EnerBank notes receivable, net of allowance for loan losses |  |  | 877 |  |  | 800 |
Total notes receivable |  | $ | 991 |  | $ | 939 |

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- Definition Notes Receivable [Abstract] + References No definition available. + Details
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Period Type: | duration

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- Definition Tabular disclosure of current and non-current notes receivable. + References No definition available. + Details
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