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Reportable Segments (Tables) | 3 Months Ended
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Mar. 31, 2015
Schedule Of Financial Information By Reportable Segments |
In Millions
Three Months Ended March 31 | 2015 | 2014 |
CMS Energy, including Consumers |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |
Electric utility |  | $ | 1,033 |  | $ | 1,224 |
Gas utility |  |  | 995 |  |  | 1,158 |
Enterprises |  |  | 60 |  |  | 122 |
Other reconciling items |  |  | 23 |  |  | 19 |
Total operating revenue – CMS Energy |  | $ | 2,111 |  | $ | 2,523 |
Consumers |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |
Electric utility |  | $ | 1,033 |  | $ | 1,224 |
Gas utility |  |  | 995 |  |  | 1,158 |
Total operating revenue – Consumers |  | $ | 2,028 |  | $ | 2,382 |
CMS Energy, including Consumers |  |  |  |  |  |  |
Net income (loss) available to common stockholders |  |  |  |  |  |  |
Electric utility |  | $ | 94 |  | $ | 100 |
Gas utility |  |  | 121 |  |  | 121 |
Enterprises |  |  | 7 |  |  | 2 |
Other reconciling items |  |  | (20) |  |  | (19) |
Total net income available to common stockholders – CMS Energy |  | $ | 202 |  | $ | 204 |
Consumers |  |  |  |  |  |  |
Net income available to common stockholder |  |  |  |  |  |  |
Electric utility |  | $ | 94 |  | $ | 100 |
Gas utility |  |  | 121 |  |  | 121 |
Total net income available to common stockholder – Consumers |  | $ | 215 |  | $ | 221 |
In Millions
| March 31, 2015 | December 31, 2014 |
CMS Energy, including Consumers |  |  |  |  |  |  |
Plant, property, and equipment, gross |  |  |  |  |  |  |
Electric utility 1 |  | $ | 12,397 |  | $ | 12,230 |
Gas utility 1 |  |  | 5,376 |  |  | 5,335 |
Enterprises |  |  | 118 |  |  | 115 |
Other reconciling items |  |  | 39 |  |  | 41 |
Total plant, property, and equipment, gross – CMS Energy |  | $ | 17,930 |  | $ | 17,721 |
Consumers |  |  |  |  |  |  |
Plant, property, and equipment, gross |  |  |  |  |  |  |
Electric utility 1 |  | $ | 12,397 |  | $ | 12,230 |
Gas utility 1 |  |  | 5,376 |  |  | 5,335 |
Other reconciling items |  |  | 15 |  |  | 15 |
Total plant, property, and equipment, gross – Consumers |  | $ | 17,788 |  | $ | 17,580 |
CMS Energy, including Consumers |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |
Electric utility 1 |  | $ | 11,851 |  | $ | 11,582 |
Gas utility 1 |  |  | 5,092 |  |  | 5,391 |
Enterprises |  |  | 234 |  |  | 231 |
Other reconciling items |  |  | 2,021 |  |  | 1,981 |
Total assets – CMS Energy |  | $ | 19,198 |  | $ | 19,185 |
Consumers |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |
Electric utility 1 |  | $ | 11,851 |  | $ | 11,582 |
Gas utility 1 |  |  | 5,092 |  |  | 5,391 |
Other reconciling items |  |  | 911 |  |  | 874 |
Total assets – Consumers |  | $ | 17,854 |  | $ | 17,847 |
| 1 |  | Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.
Consumers Energy Company [Member] |
Schedule Of Financial Information By Reportable Segments |
In Millions
Three Months Ended March 31 | 2015 | 2014 |
CMS Energy, including Consumers |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |
Electric utility |  | $ | 1,033 |  | $ | 1,224 |
Gas utility |  |  | 995 |  |  | 1,158 |
Enterprises |  |  | 60 |  |  | 122 |
Other reconciling items |  |  | 23 |  |  | 19 |
Total operating revenue – CMS Energy |  | $ | 2,111 |  | $ | 2,523 |
Consumers |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |
Electric utility |  | $ | 1,033 |  | $ | 1,224 |
Gas utility |  |  | 995 |  |  | 1,158 |
Total operating revenue – Consumers |  | $ | 2,028 |  | $ | 2,382 |
CMS Energy, including Consumers |  |  |  |  |  |  |
Net income (loss) available to common stockholders |  |  |  |  |  |  |
Electric utility |  | $ | 94 |  | $ | 100 |
Gas utility |  |  | 121 |  |  | 121 |
Enterprises |  |  | 7 |  |  | 2 |
Other reconciling items |  |  | (20) |  |  | (19) |
Total net income available to common stockholders – CMS Energy |  | $ | 202 |  | $ | 204 |
Consumers |  |  |  |  |  |  |
Net income available to common stockholder |  |  |  |  |  |  |
Electric utility |  | $ | 94 |  | $ | 100 |
Gas utility |  |  | 121 |  |  | 121 |
Total net income available to common stockholder – Consumers |  | $ | 215 |  | $ | 221 |
In Millions
| March 31, 2015 | December 31, 2014 |
CMS Energy, including Consumers |  |  |  |  |  |  |
Plant, property, and equipment, gross |  |  |  |  |  |  |
Electric utility 1 |  | $ | 12,397 |  | $ | 12,230 |
Gas utility 1 |  |  | 5,376 |  |  | 5,335 |
Enterprises |  |  | 118 |  |  | 115 |
Other reconciling items |  |  | 39 |  |  | 41 |
Total plant, property, and equipment, gross – CMS Energy |  | $ | 17,930 |  | $ | 17,721 |
Consumers |  |  |  |  |  |  |
Plant, property, and equipment, gross |  |  |  |  |  |  |
Electric utility 1 |  | $ | 12,397 |  | $ | 12,230 |
Gas utility 1 |  |  | 5,376 |  |  | 5,335 |
Other reconciling items |  |  | 15 |  |  | 15 |
Total plant, property, and equipment, gross – Consumers |  | $ | 17,788 |  | $ | 17,580 |
CMS Energy, including Consumers |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |
Electric utility 1 |  | $ | 11,851 |  | $ | 11,582 |
Gas utility 1 |  |  | 5,092 |  |  | 5,391 |
Enterprises |  |  | 234 |  |  | 231 |
Other reconciling items |  |  | 2,021 |  |  | 1,981 |
Total assets – CMS Energy |  | $ | 19,198 |  | $ | 19,185 |
Consumers |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |
Electric utility 1 |  | $ | 11,851 |  | $ | 11,582 |
Gas utility 1 |  |  | 5,092 |  |  | 5,391 |
Other reconciling items |  |  | 911 |  |  | 874 |
Total assets – Consumers |  | $ | 17,854 |  | $ | 17,847 |
| 1 |  | Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.

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