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UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Revenues: |  |  |  |
Third parties | $ 12,503.5 | $ 11,142.6 | $ 25,377.9 | $ 22,519.8
Related parties | 17.3 | 6.7 | 52.8 | 12.6
Total revenues (see Note 11) | 12,520.8 | 11,149.3 | 25,430.7 | 22,532.4
Operating costs and expenses: |  |  |  |
Third parties | 11,382.4 | 10,143.0 | 23,000.8 | 20,349.2
Related parties | 256.7 | 224.2 | 518.8 | 438.4
Total operating costs and expenses | 11,639.1 | 10,367.2 | 23,519.6 | 20,787.6
General and administrative costs: |  |  |  |
Third parties | 18.9 | 17.5 | 41.9 | 37.2
Related parties | 28.8 | 28.0 | 59.0 | 57.8
Total general and administrative costs | 47.7 | 45.5 | 100.9 | 95.0
Total costs and expenses | 11,686.8 | 10,412.7 | 23,620.5 | 20,882.6
Equity in income of unconsolidated affiliates | 50.3 | 37.6 | 106.8 | 82.1
Operating income | 884.3 | 774.2 | 1,917.0 | 1,731.9
Other income (expense): |  |  |  |
Interest expense | (228.9) | (200.2) | (449.8) | (396.1)
Interest income | 0.5 | 0.3 | 0.8 | 0.5
Other, net | 0.6 | (0.6) | 0 | (0.9)
Total other expense, net | (227.8) | (200.5) | (449.0) | (396.5)
Income before income taxes | 656.5 | 573.7 | 1,468.0 | 1,335.4
Provision for income taxes | (10.0) | (20.4) | (14.8) | (26.8)
Net income | 646.5 | 553.3 | 1,453.2 | 1,308.6
Net income attributable to noncontrolling interests (see Note 10) | (8.8) | (0.8) | (16.7) | (2.6)
Net income attributable to limited partners | $ 637.7 | $ 552.5 | $ 1,436.5 | $ 1,306.0
Earnings per unit: (see Note 13) |  |  |  |
Basic earnings per unit (in dollars per unit) | $ 0.70 | $ 0.62 | $ 1.57 | $ 1.48
Diluted earnings per unit (in dollars per unit) | $ 0.68 | $ 0.60 | $ 1.53 | $ 1.43

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