|
Consolidated Statements Of Comprehensive Income (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
|
| Net Income | $ 127 | $ 149 | $ 352 | $ 317 |
| Net gain arising during the period, net of tax | 10 | 10 | ||
| Prior service credit adjustment, net of tax | 5 | 5 | ||
| Amortization of net actuarial loss, net of tax | 1 | 1 | 3 | 3 |
| Unrealized gain (loss) on investments, net of tax | 1 | 1 | (2) | 3 |
| Other Comprehensive Income (Loss) | 17 | 2 | 16 | 6 |
| Comprehensive Income | 144 | 151 | 368 | 323 |
| Comprehensive Income Attributable to Noncontrolling Interest | 1 | 1 | 2 | 2 |
| Comprehensive Income Attributable to CMS Energy | 143 | 150 | 366 | 321 |
|
Consumers Energy Company [Member]
|
||||
| Net Income | 153 | 163 | 415 | 361 |
| Amortization of net actuarial loss, net of tax | 1 | 2 | 2 | |
| Reclassification adjustments included in net income, net of tax | (3) | |||
| Other Comprehensive Income (Loss) | 1 | (1) | 2 | |
| Comprehensive Income | $ 153 | $ 164 | $ 414 | $ 363 |