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Reportable Segments (Tables) | 12 Months Ended
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Dec. 31, 2014
Schedule Of Financial Information By Reportable Segments |
In Millions
Years Ended December 31 | 2014 | 2013 | 2012 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 4,436 |  | $ | 4,173 |  | $ | 4,031 |
Gas utility |  |  | 2,363 |  |  | 2,148 |  |  | 1,982 |
Enterprises |  |  | 299 |  |  | 181 |  |  | 183 |
Other reconciling items |  |  | 81 |  |  | 64 |  |  | 57 |
Total operating revenue – CMS Energy |  | $ | 7,179 |  | $ | 6,566 |  | $ | 6,253 |
Consumers |  |  |  |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 4,436 |  | $ | 4,173 |  | $ | 4,031 |
Gas utility |  |  | 2,363 |  |  | 2,148 |  |  | 1,982 |
Other reconciling items |  |  | 1 |  |  | - |  |  | - |
Total operating revenue – Consumers |  | $ | 6,800 |  | $ | 6,321 |  | $ | 6,013 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 522 |  | $ | 484 |  | $ | 459 |
Gas utility |  |  | 156 |  |  | 138 |  |  | 133 |
Enterprises |  |  | 4 |  |  | 3 |  |  | 4 |
Other reconciling items |  |  | 3 |  |  | 3 |  |  | 2 |
Total depreciation and amortization – CMS Energy |  | $ | 685 |  | $ | 628 |  | $ | 598 |
Consumers |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 522 |  | $ | 484 |  | $ | 459 |
Gas utility |  |  | 156 |  |  | 138 |  |  | 133 |
Total depreciation and amortization – Consumers |  | $ | 678 |  | $ | 622 |  | $ | 592 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Income from equity method investees 1 |  |  |  |  |  |  |  |  |  |
Enterprises |  | $ | 15 |  | $ | 13 |  | $ | 17 |
Total income from equity method investees – CMS Energy |  | $ | 15 |  | $ | 13 |  | $ | 17 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Interest charges |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 181 |  | $ | 179 |  | $ | 179 |
Gas utility |  |  | 67 |  |  | 64 |  |  | 63 |
Other reconciling items |  |  | 159 |  |  | 155 |  |  | 147 |
Total interest charges – CMS Energy |  | $ | 407 |  | $ | 398 |  | $ | 389 |
Consumers |  |  |  |  |  |  |  |  |  |
Interest charges |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 181 |  | $ | 179 |  | $ | 179 |
Gas utility |  |  | 67 |  |  | 64 |  |  | 63 |
Other reconciling items |  |  | 2 |  |  | 2 |  |  | 2 |
Total interest charges – Consumers |  | $ | 250 |  | $ | 245 |  | $ | 244 |
In Millions
Years Ended December 31 | 2014 | 2013 | 2012 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Income tax expense (benefit) |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 211 |  | $ | 242 |  | $ | 227 |
Gas utility |  |  | 95 |  |  | 104 |  |  | 70 |
Enterprises |  |  | (1) |  |  | (4) |  |  | (1) |
Other reconciling items |  |  | (55) |  |  | (40) |  |  | (51) |
Total income tax expense – CMS Energy |  | $ | 250 |  | $ | 302 |  | $ | 245 |
Consumers |  |  |  |  |  |  |  |  |  |
Income tax expense |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 211 |  | $ | 242 |  | $ | 227 |
Gas utility |  |  | 95 |  |  | 104 |  |  | 70 |
Total income tax expense – Consumers |  | $ | 306 |  | $ | 346 |  | $ | 297 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Net income (loss) available to common stockholders |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 384 |  | $ | 363 |  | $ | 325 |
Gas utility |  |  | 179 |  |  | 168 |  |  | 110 |
Enterprises |  |  | (1) |  |  | 2 |  |  | 16 |
Other reconciling items |  |  | (85) |  |  | (81) |  |  | (69) |
Total net income available to common stockholders – CMS Energy |  | $ | 477 |  | $ | 452 |  | $ | 382 |
Consumers |  |  |  |  |  |  |  |  |  |
Net income available to common stockholder |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 384 |  | $ | 363 |  | $ | 325 |
Gas utility |  |  | 179 |  |  | 168 |  |  | 110 |
Other reconciling items |  |  | 2 |  |  | 1 |  |  | 2 |
Total net income available to common stockholder – Consumers |  | $ | 565 |  | $ | 532 |  | $ | 437 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Plant, property, and equipment, gross |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 12,230 |  | $ | 11,186 |  | $ | 11,041 |
Gas utility |  |  | 5,335 |  |  | 4,843 |  |  | 4,400 |
Enterprises |  |  | 115 |  |  | 115 |  |  | 113 |
Other reconciling items |  |  | 41 |  |  | 40 |  |  | 38 |
Total plant, property, and equipment – CMS Energy |  | $ | 17,721 |  | $ | 16,184 |  | $ | 15,592 |
Consumers |  |  |  |  |  |  |  |  |  |
Plant, property, and equipment, gross |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 12,230 |  | $ | 11,186 |  | $ | 11,041 |
Gas utility |  |  | 5,335 |  |  | 4,843 |  |  | 4,400 |
Other reconciling items |  |  | 15 |  |  | 15 |  |  | 15 |
Total plant, property, and equipment – Consumers |  | $ | 17,580 |  | $ | 16,044 |  | $ | 15,456 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Investments in equity method investees 1 |  |  |  |  |  |  |  |  |  |
Enterprises |  | $ | 58 |  | $ | 57 |  | $ | 55 |
Other reconciling items |  |  | 3 |  |  | 2 |  |  | 2 |
Total investments in equity method investees – CMS Energy |  | $ | 61 |  | $ | 59 |  | $ | 57 |
In Millions
Years Ended December 31 | 2014 | 2013 | 2012 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |  |  |  |
Electric utility 2 |  | $ | 11,582 |  | $ | 10,487 |  | $ | 10,423 |
Gas utility 2 |  |  | 5,391 |  |  | 4,784 |  |  | 5,016 |
Enterprises |  |  | 231 |  |  | 332 |  |  | 181 |
Other reconciling items |  |  | 1,981 |  |  | 1,813 |  |  | 1,511 |
Total assets – CMS Energy |  | $ | 19,185 |  | $ | 17,416 |  | $ | 17,131 |
Consumers |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |  |  |  |
Electric utility 2 |  | $ | 11,582 |  | $ | 10,487 |  | $ | 10,423 |
Gas utility 2 |  |  | 5,391 |  |  | 4,784 |  |  | 5,016 |
Other reconciling items |  |  | 874 |  |  | 908 |  |  | 836 |
Total assets – Consumers |  | $ | 17,847 |  | $ | 16,179 |  | $ | 16,275 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Capital expenditures 3 |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 1,139 |  | $ | 996 |  | $ | 921 |
Gas utility |  |  | 473 |  |  | 407 |  |  | 340 |
Enterprises |  |  | 3 |  |  | 1 |  |  | 1 |
Other reconciling items |  |  | 1 |  |  | 4 |  |  | 4 |
Total capital expenditures – CMS Energy |  | $ | 1,616 |  | $ | 1,408 |  | $ | 1,266 |
Consumers |  |  |  |  |  |  |  |  |  |
Capital expenditures 3 |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 1,139 |  | $ | 996 |  | $ | 921 |
Gas utility |  |  | 473 |  |  | 407 |  |  | 340 |
Total capital expenditures – Consumers |  | $ | 1,612 |  | $ | 1,403 |  | $ | 1,261 |
| 1 |  | Consumers had no significant equity method investments.
| 2 |  | Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.
| 3 |  | Amounts include purchase of capital lease additions. Amounts also include a portion of Consumers’ capital expenditures for plant and equipment attributable to both the electric and gas utility businesses.
Consumers Energy Company [Member] |
Schedule Of Financial Information By Reportable Segments |
In Millions
Years Ended December 31 | 2014 | 2013 | 2012 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 4,436 |  | $ | 4,173 |  | $ | 4,031 |
Gas utility |  |  | 2,363 |  |  | 2,148 |  |  | 1,982 |
Enterprises |  |  | 299 |  |  | 181 |  |  | 183 |
Other reconciling items |  |  | 81 |  |  | 64 |  |  | 57 |
Total operating revenue – CMS Energy |  | $ | 7,179 |  | $ | 6,566 |  | $ | 6,253 |
Consumers |  |  |  |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 4,436 |  | $ | 4,173 |  | $ | 4,031 |
Gas utility |  |  | 2,363 |  |  | 2,148 |  |  | 1,982 |
Other reconciling items |  |  | 1 |  |  | - |  |  | - |
Total operating revenue – Consumers |  | $ | 6,800 |  | $ | 6,321 |  | $ | 6,013 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 522 |  | $ | 484 |  | $ | 459 |
Gas utility |  |  | 156 |  |  | 138 |  |  | 133 |
Enterprises |  |  | 4 |  |  | 3 |  |  | 4 |
Other reconciling items |  |  | 3 |  |  | 3 |  |  | 2 |
Total depreciation and amortization – CMS Energy |  | $ | 685 |  | $ | 628 |  | $ | 598 |
Consumers |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 522 |  | $ | 484 |  | $ | 459 |
Gas utility |  |  | 156 |  |  | 138 |  |  | 133 |
Total depreciation and amortization – Consumers |  | $ | 678 |  | $ | 622 |  | $ | 592 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Income from equity method investees 1 |  |  |  |  |  |  |  |  |  |
Enterprises |  | $ | 15 |  | $ | 13 |  | $ | 17 |
Total income from equity method investees – CMS Energy |  | $ | 15 |  | $ | 13 |  | $ | 17 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Interest charges |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 181 |  | $ | 179 |  | $ | 179 |
Gas utility |  |  | 67 |  |  | 64 |  |  | 63 |
Other reconciling items |  |  | 159 |  |  | 155 |  |  | 147 |
Total interest charges – CMS Energy |  | $ | 407 |  | $ | 398 |  | $ | 389 |
Consumers |  |  |  |  |  |  |  |  |  |
Interest charges |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 181 |  | $ | 179 |  | $ | 179 |
Gas utility |  |  | 67 |  |  | 64 |  |  | 63 |
Other reconciling items |  |  | 2 |  |  | 2 |  |  | 2 |
Total interest charges – Consumers |  | $ | 250 |  | $ | 245 |  | $ | 244 |
In Millions
Years Ended December 31 | 2014 | 2013 | 2012 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Income tax expense (benefit) |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 211 |  | $ | 242 |  | $ | 227 |
Gas utility |  |  | 95 |  |  | 104 |  |  | 70 |
Enterprises |  |  | (1) |  |  | (4) |  |  | (1) |
Other reconciling items |  |  | (55) |  |  | (40) |  |  | (51) |
Total income tax expense – CMS Energy |  | $ | 250 |  | $ | 302 |  | $ | 245 |
Consumers |  |  |  |  |  |  |  |  |  |
Income tax expense |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 211 |  | $ | 242 |  | $ | 227 |
Gas utility |  |  | 95 |  |  | 104 |  |  | 70 |
Total income tax expense – Consumers |  | $ | 306 |  | $ | 346 |  | $ | 297 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Net income (loss) available to common stockholders |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 384 |  | $ | 363 |  | $ | 325 |
Gas utility |  |  | 179 |  |  | 168 |  |  | 110 |
Enterprises |  |  | (1) |  |  | 2 |  |  | 16 |
Other reconciling items |  |  | (85) |  |  | (81) |  |  | (69) |
Total net income available to common stockholders – CMS Energy |  | $ | 477 |  | $ | 452 |  | $ | 382 |
Consumers |  |  |  |  |  |  |  |  |  |
Net income available to common stockholder |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 384 |  | $ | 363 |  | $ | 325 |
Gas utility |  |  | 179 |  |  | 168 |  |  | 110 |
Other reconciling items |  |  | 2 |  |  | 1 |  |  | 2 |
Total net income available to common stockholder – Consumers |  | $ | 565 |  | $ | 532 |  | $ | 437 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Plant, property, and equipment, gross |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 12,230 |  | $ | 11,186 |  | $ | 11,041 |
Gas utility |  |  | 5,335 |  |  | 4,843 |  |  | 4,400 |
Enterprises |  |  | 115 |  |  | 115 |  |  | 113 |
Other reconciling items |  |  | 41 |  |  | 40 |  |  | 38 |
Total plant, property, and equipment – CMS Energy |  | $ | 17,721 |  | $ | 16,184 |  | $ | 15,592 |
Consumers |  |  |  |  |  |  |  |  |  |
Plant, property, and equipment, gross |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 12,230 |  | $ | 11,186 |  | $ | 11,041 |
Gas utility |  |  | 5,335 |  |  | 4,843 |  |  | 4,400 |
Other reconciling items |  |  | 15 |  |  | 15 |  |  | 15 |
Total plant, property, and equipment – Consumers |  | $ | 17,580 |  | $ | 16,044 |  | $ | 15,456 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Investments in equity method investees 1 |  |  |  |  |  |  |  |  |  |
Enterprises |  | $ | 58 |  | $ | 57 |  | $ | 55 |
Other reconciling items |  |  | 3 |  |  | 2 |  |  | 2 |
Total investments in equity method investees – CMS Energy |  | $ | 61 |  | $ | 59 |  | $ | 57 |
In Millions
Years Ended December 31 | 2014 | 2013 | 2012 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |  |  |  |
Electric utility 2 |  | $ | 11,582 |  | $ | 10,487 |  | $ | 10,423 |
Gas utility 2 |  |  | 5,391 |  |  | 4,784 |  |  | 5,016 |
Enterprises |  |  | 231 |  |  | 332 |  |  | 181 |
Other reconciling items |  |  | 1,981 |  |  | 1,813 |  |  | 1,511 |
Total assets – CMS Energy |  | $ | 19,185 |  | $ | 17,416 |  | $ | 17,131 |
Consumers |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |  |  |  |
Electric utility 2 |  | $ | 11,582 |  | $ | 10,487 |  | $ | 10,423 |
Gas utility 2 |  |  | 5,391 |  |  | 4,784 |  |  | 5,016 |
Other reconciling items |  |  | 874 |  |  | 908 |  |  | 836 |
Total assets – Consumers |  | $ | 17,847 |  | $ | 16,179 |  | $ | 16,275 |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |
Capital expenditures 3 |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 1,139 |  | $ | 996 |  | $ | 921 |
Gas utility |  |  | 473 |  |  | 407 |  |  | 340 |
Enterprises |  |  | 3 |  |  | 1 |  |  | 1 |
Other reconciling items |  |  | 1 |  |  | 4 |  |  | 4 |
Total capital expenditures – CMS Energy |  | $ | 1,616 |  | $ | 1,408 |  | $ | 1,266 |
Consumers |  |  |  |  |  |  |  |  |  |
Capital expenditures 3 |  |  |  |  |  |  |  |  |  |
Electric utility |  | $ | 1,139 |  | $ | 996 |  | $ | 921 |
Gas utility |  |  | 473 |  |  | 407 |  |  | 340 |
Total capital expenditures – Consumers |  | $ | 1,612 |  | $ | 1,403 |  | $ | 1,261 |
| 1 |  | Consumers had no significant equity method investments.
| 2 |  | Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.
| 3 |  | Amounts include purchase of capital lease additions. Amounts also include a portion of Consumers’ capital expenditures for plant and equipment attributable to both the electric and gas utility businesses.

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