DERIVATIVES AND HEDGING ACTIVITIES Impact of Derivative Instruments in Consolidated Balance Sheet Other (Details) - USD ($) $ in Millions		Sep. 30, 2019		Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Derivative Assets		$ 84		$ 19
Derivative Liabilities		20		15
Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	[1]	8		2
Deferred charges and other assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	[1]	76		17
Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities		15
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities		5
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative Assets		84	[1]	19	[2]
Derivative Liabilities		13	[3]	10	[4]
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative Assets		0		0
Derivative Liabilities	[4]	$ 7		$ 5

[1] Includes $8 million recorded in Other current assets and $76 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 $15 million recorded in Other accrued liabilities and $5 million recorded in Other liabilities in the accompanying consolidated balance sheet.

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