Inventories, Net Inventory Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Inventory Disclosure [Abstract]
Inventory valuation reserves	$ 157		$ 157		$ 119
Inventory charges	11	$ 28	50	$ 166
Inventory [Line Items]
Inventory Charges	11	28	50	166
Inventory valuation reserves	157		157		$ 119
Impairments and Other Charges
Inventory Disclosure [Abstract]
Inventory charges	0	4	7	138
Inventory [Line Items]
Inventory Charges	0	4	7	138
Cost of Sales
Inventory Disclosure [Abstract]
Inventory charges	11	24	43	28
Inventory [Line Items]
Inventory Charges	$ 11	$ 24	$ 43	$ 28