Inventories, Net Inventory Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Inventory Disclosure [Abstract]
Inventory valuation reserves	$ 147		$ 147		$ 119
Inventory charges	22	$ 136	39	$ 138
Inventory [Line Items]
Inventory Charges	22	136	39	138
Inventory valuation reserves	147		147		$ 119
Impairments and Other Charges
Inventory Disclosure [Abstract]
Inventory charges	6	134	7	134
Inventory [Line Items]
Inventory Charges	6	134	7	134
Cost of Sales
Inventory Disclosure [Abstract]
Inventory charges	16	2	32	4
Inventory [Line Items]
Inventory Charges	$ 16	$ 2	$ 32	$ 4