OTHER LIABILITIES (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
OTHER LIABILITIES
Regulatory liabilities	$ 22	$ 20
Other liabilities	2	1
Other liabilities, total	$ 24	$ 21	[1]

[1] (a) Recast as discussed in Note 2 and Note 6.