RELATED PARTIES (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Additional contributions	$ 10
Equity Method Investee [Member]
Related Party Transaction [Line Items]
Revenue from related parties	36	$ 37	$ 0
Accounts receivable, related parties	3	3
Accounts payable, related parties	1	1
Equity Method Investee [Member] \| Prepaid Expenses and Other Current Assets [Member]
Related Party Transaction [Line Items]
Other accounts receivable, related parties	3	7
Equity Method Investee [Member] \| Selling, General and Administrative Expenses [Member]
Related Party Transaction [Line Items]
Income recognized from related party	$ 15	$ 16	$ 19

Other Accounts Receivable, Related Parties

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- Definition

Amount for accounts payable to related parties.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

+ References

No definition available.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

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