DERIVATIVES AND HEDGING ACTIVITIES Impact of Derivative Instruments in Consolidated Balance Sheet Other (Details) - USD ($) $ in Millions		Jun. 30, 2019		Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Derivative Assets		$ 57		$ 19
Derivative Liabilities		8		15
Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	[1]	7		2
Deferred charges and other assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	[1]	50		17
Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities		6
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities		1
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative Assets		57	[1]	19	[2]
Derivative Liabilities		7	[3]	10	[4]
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative Assets		0		0
Derivative Liabilities	[4]	$ 1		$ 5

[1] Includes $7 million recorded in Other current assets and $50 million recorded in Deferred charges and other assets in the accompanying consolidated balance sheet.

[2] Includes $2 million recorded in Other current assets and $17 million recorded in Deferred charges and other assets in the accompanying consolidated balance sheet.

[3] (c) Includes $6 million recorded in Other accrued liabilities and $1 million recorded in Other liabilities in the accompanying consolidated balance sheet.

[4] Included in Other current liabilities in the accompanying consolidated balance sheet.