FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2017

FAIR VALUE MEASUREMENTS

Assets and liabilities measured at fair value on a recurring basis

(in millions)	Fair Value Measurements at December 31, 2017 Using
Description		Level 1		Level 2		Level 3		Netting and Collateral		Total Fair Value
Liabilities:
	Accrued liabilities	$	—	$	39	$	—	$	—	$	39
Embedded derivative	Deferred credits and liabilities	$	—	$	147	$	—	$	—	$	147
(in millions)	Fair Value Measurements at December 31, 2016 Using
Description		Level 1		Level 2		Level 3		Netting and Collateral		Total Fair Value
Liabilities:
	Accrued liabilities	$	—	$	43	$	—	$	—	$	43
Embedded derivative	Deferred credits and liabilities	$	—	$	178	$	—	$	—	$	178