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SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Schedule of Supplemental Cash Flow [Line Items]
Insured Event, Gain (Loss)	$ 0	$ 50
Other current assets	2	(29)
Other noncurrent assets	6	14
Payables and other current liabilities	59	(14)
Long-term liabilities and equity	(14)	(1)
Total	$ 53	$ (30)

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[Line Items] for Schedule of Supplemental Cash Flow [Table]

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Amount of increase (decrease) in current assets classified as other.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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Amount of excess (deficiency) of insurance recovery over the loss incurred from an insured event.

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-Publisher FASB
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Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).

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