Supplemental Information (Additional Information) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Accrued Liabilities and Other Liabilities [Abstract]
Accrued and other liabilities	$ 665		$ 768
Accrued rebates	87		115
Accrued and other liabilities	94		93
Accrued liabilities with related parties	33		$ 41
Noncash Investing and Financing Items [Abstract]
Accruals for Capital Expenditure	$ (29)	$ (9)