CONSOLIDATED STATEMENT OF CHANGES IN PARTNERS' EQUITY (USD $) In Millions, unless otherwise specified	Total	Controlling interests	Non-controlling interests	Accumulated Other Comprehensive Loss		Common Units	General Partner
Balance at beginning of period at Dec. 31, 2013	$ 1,789		$ 440	$ (1)	[1]	$ 1,322	$ 28
Partners' Equity (in units) at Dec. 31, 2013						62.3
Increase (Decrease) in Partners' Equity
Net income	67		10			56	1
Distributions paid			(13)			(51)	(1)
Balance at end of period at Mar. 31, 2014	$ 1,791	$ 1,354	$ 437	$ (1)	[1]	$ 1,327	$ 28
Partners' Equity (in units) at Mar. 31, 2014	62.3					62.3

[1] (a) Losses related to cash flow hedges reported in Accumulated Other Comprehensive Loss and expected to be reclassified to Net Income in the next 12 months are estimated to be $1 million. These estimates assume constant interest rates over time; however, the amounts reclassified will vary based on actual value of interest rates at the date of settlement.