v2.4.0.6

Stockholders Equity (Tables) | 3 Months Ended
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Mar. 31, 2013
Stockholders' Equity Note [Abstract] |
Schedule of Common Stock Outstanding Roll Forward | The following tables sets forth the changes in our outstanding shares during the three months ended March 31, 2013 and 2012.
| Class P |  | Class A |  | Class B |  | Class C
Balance at December 31, 2011 | 170,921,140 |  |  | 535,972,387 |  |  | 94,132,596 |  |  | 2,318,258 |
Restricted shares vested | 1,465 |  |  | — |  |  | — |  |  | — |
Balance at March 31, 2012 | 170,922,605 |  |  | 535,972,387 |  |  | 94,132,596 |  |  | 2,318,258 |
Schedule of Stockholders Equity | For each of the three months ended March 31, 2013 and 2012, changes in the carrying amounts of our Stockholders’ Equity attributable to both us and our noncontrolling interests, including our comprehensive loss, are summarized as follows (in millions):
| Three Months Ended March 31, 2013
| Common Shares |  | Additional paid-in capital |  | Retained deficit |  | Accumulated other comprehensive loss |  | Stockholders’ equity attributable to KMI |  | Noncontrolling interests |  | Total
Beginning Balance at December 31, 2012 | $ | 10 |  |  | $ | 14,917 |  |  | $ | (943 | ) |  | $ | (119 | ) |  | $ | 13,865 |  |  | $ | 10,234 |  |  | $ | 24,099 |
Warrants repurchased |  |  | (80 | ) |  |  |  |  |  | (80 | ) |  |  |  | (80 | )
Conversion of preferred securities |  |  | 1 |  |  |  |  |  |  | 1 |  |  |  |  | 1 |
Amortization of restricted shares |  |  | 5 |  |  |  |  |  |  | 5 |  |  |  |  | 5 |
Impact from equity transactions of KMP and EPB |  |  | 14 |  |  |  |  |  |  | 14 |  |  | (22 | ) |  | (8 | )
Net income (loss) |  |  |  |  | 292 |  |  |  |  | 292 |  |  | 364 |  |  | 656 |
Distributions |  |  |  |  |  |  |  |  | — |  |  | (375 | ) |  | (375 | )
Contributions |  |  |  |  |  |  |  |  | — |  |  | 465 |  |  | 465 |
Cash dividends |  |  |  |  | (384 | ) |  |  |  | (384 | ) |  |  |  | (384 | )
Other |  |  |  |  |  |  |  |  | — |  |  |  |  | — |
Other comprehensive loss |  |  |  |  |  |  | (38 | ) |  | (38 | ) |  | (33 | ) |  | (71 | )
Ending Balance at March 31, 2013 | $ | 10 |  |  | $ | 14,857 |  |  | $ | (1,035 | ) |  | $ | (157 | ) |  | $ | 13,675 |  |  | $ | 10,633 |  |  | $ | 24,308 |
Schedule of Noncontrolling Interest | The caption “Noncontrolling interests” in our accompanying consolidated balance sheets consists of interests that we do not own in the following subsidiaries (in millions):
| March 31, 2013 |  | December 31, 2012
KMP | $ | 3,537 |  |  | $ | 3,270 |
EPB | 4,131 |  |  | 4,111 |
KMR | 2,769 |  |  | 2,716 |
Other | 196 |  |  | 137 |
| $ | 10,633 |  |  | $ | 10,234 |
Schedule of Dividends Payable [Table Text Block] | Dividends Holders of our common stock share equally in any dividend declared by our board of directors, subject to the rights of the holders of any outstanding preferred stock. The following table provides information about our per share dividends.
| Three Months Ended
| March 31,
| 2013 |  | 2012
Per common share cash dividend declared | $ | 0.38 |  |  | $ | 0.32 |
Per common share cash dividend paid(a) | $ | 0.37 |  |  | $ | 0.31 |
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(a) | Dividends for the fourth quarter of each year are declared and paid during the first quarter of the following year.
Dividends Subsequent to March 31, 2013 On April 17, 2013, our board of directors declared a cash dividend of $0.38 per share for the quarterly period ended March 31, 2013, which is payable on May 16, 2013 to shareholders of record as of April 29, 2013.

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