Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 3

-Subparagraph a, b

-Article 5

Name:	us-gaap_AccountsReceivableGrossCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

ACCOUNTS RECEIVABLE AND OTHER (Details) In Millions, unless otherwise specified						6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 Special Purpose Entity USD ($)	Jun. 30, 2014 Special Purpose Entity CAD	Dec. 31, 2013 Special Purpose Entity USD ($)	Dec. 31, 2013 Special Purpose Entity CAD	Jun. 30, 2014 Special Purpose Entity Maximum USD ($)
Accounts receivable and other
Percentage of ownership in SPE to avail receivable owned by SPE	100.00%
Accumulated purchases, net of collections						$ 450
Trade and accrued receivables		$ 408	436	$ 380	404