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UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED EQUITY (USD $) In Millions, unless otherwise specified | Total | Accumulated Other Comprehensive Income (Loss) [Member] | Noncontrolling Interests [Member] | Limited Partners [Member]
--- | --- | --- | --- | ---
Balance at Dec. 31, 2011 | $ 12,219.3 | $ (351.4) | $ 105.9 | $ 12,464.8
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |
Net income | 1,810.6 | 0 | 6.2 | 1,804.4
Cash distributions paid to limited partners | (1,613.4) | 0 | 0 | (1,613.4)
Cash distributions paid to noncontrolling interests | (11.3) | 0 | (11.3) | 0
Cash contributions from noncontrolling interests | 6.5 | 0 | 6.5 | 0
Net cash proceeds from the issuance of common units | 658.6 | 0 | 0 | 658.6
Amortization of fair value of equity-based awards | 45.9 | 0 | 0 | 45.9
Cash flow hedges | (40.4) | (40.4) | 0 | 0
Other | (17.9) | 3.5 | 1.0 | (22.4)
Balance at Sep. 30, 2012 | 13,057.9 | (388.3) | 108.3 | 13,337.9
Balance at Dec. 31, 2012 | 13,296.0 | (370.4) | 108.3 | 13,558.1
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |
Net income | 1,901.4 | 0 | 3.4 | 1,898.0
Cash distributions paid to limited partners | (1,778.3) | 0 | 0 | (1,778.3)
Cash distributions paid to noncontrolling interests | (6.4) | 0 | (6.4) | 0
Cash contributions from noncontrolling interests | 104.2 | 0 | 104.2 | 0
Net cash proceeds from the issuance of common units | 1,134.7 | 0 | 0 | 1,134.7
Amortization of fair value of equity-based awards | 53.5 | 0 | 0 | 53.5
Cash flow hedges | 20.7 | 20.7 | 0 | 0
Other | (43.6) | 0.4 | 0.6 | (44.6)
Balance at Sep. 30, 2013 | $ 14,682.2 | $ (349.3) | $ 210.1 | $ 14,821.4

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