Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on a recurring basis

The following tables provide fair value measurement information for embedded derivatives that are measured on a recurring basis:

millions	Fair Value Measurements Using
Embedded derivatives	Level 1		Level 2		Level 3		Netting and Collateral		Total Fair Value
As of September 30, 2020
Accrued liabilities	$	—	$	(79)	$	—	$	—	$	(79)
Deferred credits and other liabilities - other	—		(19)		—		—		(19)
As of December 31, 2019
Accrued liabilities	$	—	$	(40)	$	—	$	—	$	(40)
Deferred credits and other liabilities - other	—		(49)		—		—		(49)