Financial Instruments and Fair Value - Schedule of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Commodity Contract | Commodity price hedge contracts designated as cash flow hedges
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Amount of gain (loss) recognized in accumulated OCI or OCL (effective portion)	$ 0	$ 1	$ 1	$ 3
Foreign Currency | Foreign currency borrowings designated as a net investment hedge
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Amount of gain (loss) recognized in accumulated OCI or OCL (effective portion)	$ 0	$ (38)	$ 11	$ (40)