Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2020
Accrued liabilities	$	—	$	105	$	—	$	—	$	105
Deferred credits and other liabilities - other	—		67		—		—		67
As of December 31, 2019
Accrued liabilities	$	—	$	40	$	—	$	—	$	40
Deferred credits and other liabilities - other	—		49		—		—		49