Inventories, Net Narrative (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
Inventory Disclosure [Abstract]
Inventory Write-down	$ 0	$ 159	$ 80	$ 540