Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on a recurring basis

The following tables provide fair value measurement information for such assets and liabilities that are measured on a recurring basis as of September 30, 2018, and December 31, 2017 (in millions):

Fair Value Measurements at September 30, 2018:
Embedded derivatives	Level 1		Level 2		Level 3		Netting and Collateral		Total Fair Value
Liabilities:
Accrued liabilities	$	—	$	11	$	—	$	—	$	11
Deferred credits and other liabilities - other	$	—	$	53	$	—	$	—	$	53
Fair Value Measurements at December 31, 2017:
Embedded derivatives	Level 1		Level 2		Level 3		Netting and Collateral		Total Fair Value
Liabilities:
Accrued liabilities	$	—	$	39	$	—	$	—	$	39
Deferred credits and other liabilities - other	$	—	$	147	$	—	$	—	$	147