Inventories, Net - Inventory Charges (Details) - USD ($) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 13, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Inventory [Line Items]
Inventory Charges	$ 0	$ 159	$ 210	$ 159	$ 80
Impairments and Other Charges
Inventory [Line Items]
Inventory Charges	0		138	117	0
Cost of Sales
Inventory [Line Items]
Inventory Charges	0		57	18	80
Restructuring Charges
Inventory [Line Items]
Inventory Charges	$ 0		$ 15	$ 24	$ 0