v2.4.0.6

General (Tables) | 3 Months Ended
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Mar. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth the computation of total basic and diluted earnings per share from continuing operations for the three months ended March 31, 2012 (in millions, except per share amounts):
| Three Months Ended March 31, 2012
| Income from Continuing Operations Available to Shareholders
| Class P |  | Class A |  | Participating Securities (a) |  | Total
Income from continuing operations |  |  |  |  |  |  | $ | 305 |
Less: income from continuing operations attributable to noncontrolling interests |  |  |  |  |  |  | (144 | )
Income from continuing operations attributable to KMI |  |  |  |  |  |  | 161 |
Dividends declared during period | $ | 54 |  |  | $ | 154 |  |  | $ | 12 |  |  | (220 | )
Excess distributions over earnings | (14 | ) |  | (45 | ) |  | — |  |  | $ | (59 | )
Income from continuing operations attributable to shareholders | $ | 40 |  |  | $ | 109 |  |  | $ | 12 |  |  | $ | 161 |
Basic earnings per share from continuing operations |  |  |  |  |  |  |
Basic weighted-average number of shares outstanding | 171 |  |  | 536 |  |  | N/A |  |  |
Basic earnings per common share from continuing operations(b) | $ | 0.23 |  |  | $ | 0.21 |  |  | N/A |  |  |
Diluted earnings per share from continuing operations |  |  |  |  |  |  |
Income from continuing operations attributable to shareholders and assumed conversions(c) | $ | 161 |  |  | $ | 109 |  |  | N/A |  |  |
Diluted weighted-average number of shares | 708 |  |  | 536 |  |  | N/A |  |  |
Diluted earnings per common share from continuing operations(b) | $ | 0.23 |  |  | $ | 0.21 |  |  | N/A |  |  |
The following table sets forth the computation of total basic and diluted earnings per share for the three months ended March 31, 2012 (in millions, except per share amounts):
| Three Months Ended March 31, 2012
| Net Income Available to Shareholders
| Class P |  | Class A |  | Participating Securities (a) |  | Total
Net income attributable to KMI |  |  |  |  |  |  | $ | 21 |
Dividends declared during period | $ | 54 |  |  | $ | 154 |  |  | $ | 12 |  |  | (220 | )
Excess distributions over earnings | (48 | ) |  | (151 | ) |  | — |  |  | $ | (199 | )
Net income attributable to shareholders | $ | 6 |  |  | $ | 3 |  |  | $ | 12 |  |  | $ | 21 |
Basic earnings per share |  |  |  |  |  |  |
Basic weighted-average number of shares outstanding | 171 |  |  | 536 |  |  | N/A |  |  |
Basic earnings per common share(b) | $ | 0.03 |  |  | $ | 0.01 |  |  | N/A |  |  |  |
Diluted earnings per share |  |  |  |  |  |  |  |
Net income attributable to shareholders and assumed conversions(c) | $ | 21 |  |  | $ | 3 |  |  | N/A |  |  |  |
Diluted weighted-average number of shares | 708 |  |  | 536 |  |  | N/A |  |  |  |
Diluted earnings per common share(b) | $ | 0.03 |  |  | $ | 0.01 |  |  | N/A |  |  |  |

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