Supplemental Information (Additional Information) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Accrued Liabilities and Other Liabilities [Abstract]
Accrued and other liabilities	$ 818		$ 821
Accrued rebates	126		128
Accrued and other liabilities	89		89
Accrued liabilities with related parties	48		$ 61
Noncash Investing and Financing Items [Abstract]
Accruals for Capital Expenditure	$ (29)	$ (29)