Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Values of Outstanding Derivative Instruments

The amount of derivative instruments’ gain or (loss) on the Consolidated Statements of Operations is in the table below.

	Successor		Predecessor
	Period From		Period From
	12/14/19 to		01/01/19 to		Year Ended 12/31
(Dollars in millions)	12/31/19		12/13/19		2018			2017			Classification
Foreign Currency Forward Contracts	$	1	$	—	$	(15	)	$	(25	)	Other Income (Expense), Net
Old Warrant on Weatherford Shares	—		—		70			86			Warrant Fair Value Adjustment