Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Amount of expense (income) related to adjustment to fair value of warrant liability.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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Derivative Instruments Schedule of Derivatives (Details) - USD ($) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 13, 2019	Dec. 31, 2018	Dec. 31, 2017
Derivatives, Fair Value [Line Items]
Warrants and Rights Outstanding	$ 0
Warrant Fair Value Adjustment	0	$ 0	$ 70	$ 86
Other Nonoperating Income (Expense) [Member] \| Foreign currency forward contracts [Member] \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 1	$ 0	$ (15)	(25)
Other Nonoperating Income (Expense) [Member] \| Warrant [Member] \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative, Gain (Loss) on Derivative, Net				$ 86