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UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED EQUITY - USD ($) $ in Millions | Total | Accumulated Other Comprehensive Income (Loss) [Member] | Noncontrolling Interests [Member] | Limited Partners [Member]
--- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 19,692.2 | $ (241.6) | $ 1,629.0 | $ 18,304.8
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |
Net income | 650.6 | 0.0 | 14.5 | 636.1
Cash distributions paid to limited partners | (703.8) | 0.0 | 0.0 | (703.8)
Cash payments made in connection with distribution equivalent rights | (1.2) | 0.0 | 0.0 | (1.2)
Cash distributions paid to noncontrolling interests | (16.5) | 0.0 | (16.5) | 0.0
Cash contributions from noncontrolling interests | 4.0 | 0.0 | 4.0 | 0.0
Common units issued in connection with Step 2 of Oiltanking acquisition | 0.0 | 0.0 | (1,408.7) | 1,408.7
Net cash proceeds from the issuance of common units | 468.4 | 0.0 | 0.0 | 468.4
Amortization of fair value of equity-based awards | 23.3 | 0.0 | 0.0 | 23.3
Cash flow hedges | (21.6) | (21.6) | 0.0 | 0.0
Other | (37.3) | 0.0 | 0.1 | (37.4)
Balance at Mar. 31, 2015 | 20,058.1 | (263.2) | 222.4 | 20,098.9
Balance at Dec. 31, 2015 | 20,501.1 | (219.2) | 206.0 | 20,514.3
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |
Net income | 670.2 | 0.0 | 9.0 | 661.2
Cash distributions paid to limited partners | (788.3) | 0.0 | 0.0 | (788.3)
Cash payments made in connection with distribution equivalent rights | (2.0) | 0.0 | 0.0 | (2.0)
Cash distributions paid to noncontrolling interests | (8.7) | 0.0 | (8.7) | 0.0
Cash contributions from noncontrolling interests | 11.1 | 0.0 | 11.1 | 0.0
Net cash proceeds from the issuance of common units | 1,011.5 | 0.0 | 0.0 | 1,011.5
Amortization of fair value of equity-based awards | 22.3 | 0.0 | 0.0 | 22.3
Cash flow hedges | (49.2) | (49.2) | 0.0 | 0.0
Other | (21.7) | (0.1) | 0.0 | (21.6)
Balance at Mar. 31, 2016 | $ 21,346.3 | $ (268.5) | $ 217.4 | $ 21,397.4

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