CASH DISTRIBUTIONS (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH DISTRIBUTIONS
Cash distributions (in dollars per unit)	$ 0.81	$ 0.78
Cash distributions	$ 52	$ 43	[1]
General Partner
Incentive distributions
Incentive distributions	$ 0	$ 0

[1] (a) Recast as discussed in Note 2.