Fair Value Measurements (Tables)

6 Months Ended

Jun. 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 June 30, 2020
Accrued liabilities	$	—	$	83	$	—	$	—	$	83
Deferred credits and other liabilities - other	—		41		—		—		41
As of December 31, 2019
Accrued liabilities	$	—	$	40	$	—	$	—	$	40
Deferred credits and other liabilities - other	—		49		—		—		49