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SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Schedule of Supplemental Cash Flow [Line Items]
Insured Event, Gain (Loss)	$ 0	$ 15	$ 0	$ 65
Other current assets			(12)	(53)
Other noncurrent assets			6	19
Payables and other current liabilities			62	31
Long-term liabilities and equity			(3)	18
Total			$ 53	$ 15

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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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-SubTopic 10
-Section 45
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Amount of excess (deficiency) of insurance recovery over the loss incurred from an insured event.

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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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