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UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME |  |
Net income | $ 911.5 | $ 771.0
Commodity derivative instruments: |  |
Changes in fair value of cash flow hedges | 3.4 | 144.8
Reclassification of losses (gains) to net income | (14.5) | 7.1
Interest rate derivative instruments: |  |
Changes in fair value of cash flow hedges | 11.1 | 2.4
Reclassification of losses to net income | 10.5 | 9.6
Total cash flow hedges | 10.5 | 163.9
Other | 0.0 | (0.1)
Total other comprehensive income | 10.5 | 163.8
Comprehensive income | 922.0 | 934.8
Comprehensive income attributable to noncontrolling interests | (10.8) | (10.3)
Comprehensive income attributable to limited partners | $ 911.2 | $ 924.5

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