ACCOUNTS RECEIVABLE AND OTHER (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
ACCOUNTS RECEIVABLE AND OTHER
Trade accounts receivable, net of allowance of nil	$ 27	$ 33
Other	4	4
Accounts receivable and other	31	37
Trade accounts receivable, allowance	$ 0	$ 0