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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Other comprehensive income (loss) tax (benefit) expense attributable to Kinder Morgan, Inc. |  |
Change in fair value of derivatives utilized for hedging purposes, tax benefit attributable to KMI | $ 6 | $ 22
Reclassification of change in fair value of derivatives to net income, tax expense attributable to KMI | 1 | (6)
Foreign currency translation adjustments, tax expense attributable to KMI | 7 | (7)
Adjustments to pension and other postretirement benefit liabilities, tax benefit attributable to KMI | 0 | 0
Other comprehensive income loss tax portion attributable to noncontrolling interests |  |
Change in fair value of derivatives utilized for hedging purposes, tax benefit attributable to noncontrolling interests | 3 | 5
Reclassification of change in fair value of derivatives to net income, tax expense attributable to noncontrolling interests | 0 | (1)
Foreign currency translation adjustments, tax expense attributable to noncontrolling interests | 2 | (2)
Adjustments to pension and other postretirement benefit liabilities, tax benefit attributable to noncontrolling interests | 0 | 0
Other comprehensive income loss tax portion total |  |
Change in fair value of derivatives utilized for hedging purposes, tax benefit total | 9 | 27
Reclassification of change in fair value of derivatives to net income, tax expense total | 1 | (7)
Foreign currency translation adjustments, tax expense total | 9 | (9)
Adjustments to pension and other postretirement benefit plan liabilities, tax benefit total | $ 0 | $ 0

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