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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