For the years ended December 31, (In millions, except per share amounts) | 2012 | 2011 | 2010 | 2009 | 2008 | ||||||||||||||
| Operating revenues | $ | 5,781 | $ | 6,227 | $ | 6,269 | $ | 5,904 | $ | 6,512 | |||||||||
| Operating income | 1,191 | 1,011 | 1,125 | 911 | 685 | ||||||||||||||
| Income from continuing operations | 524 | 424 | 492 | 382 | 248 | ||||||||||||||
| Net income (loss) attributable to Ameren Corporation | (974 | ) | 519 | 139 | 612 | 605 | |||||||||||||
| Common stock dividends | 382 | 375 | 368 | 338 | 534 | ||||||||||||||
| Continuing operations earnings per share - basic and diluted | 2.13 | 1.73 | 2.02 | 1.67 | 0.86 | ||||||||||||||
| Common stock dividends per share | 1.60 | 1.555 | 1.54 | 1.54 | 2.54 | ||||||||||||||
| As of December 31: | |||||||||||||||||||
Total assets(a) | $ | 22,219 | $ | 23,723 | $ | 23,511 | $ | 23,702 | $ | 22,671 | |||||||||
Long-term debt, excluding current maturities(b) | 5,802 | 5,853 | 6,030 | 6,287 | 5,523 | ||||||||||||||
| Total Ameren Corporation stockholders’ equity | 6,616 | 7,919 | 7,730 | 7,856 | 6,963 | ||||||||||||||
(a) | Includes total assets from discontinued operations of $1,600 million, $3,718 million, $3,788 million, $4,484 million, and $4,521 million at December 31, 2012, 2011, 2010, 2009 and 2008, respectively. |
| (b) | Excludes long-term debt from discontinued operations. |
