Supplemental Information (Additional Information) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Supplemental Cash Flow Information [Abstract]
Other assets, net	$ 492		$ 417
Deferred Turnaround Costs, Net	255		261
Accrued Liabilities and Other Liabilities [Abstract]
Accrued and other liabilities	1,268		1,196
Accrued rebates	166		213
Accrued Income Taxes	215		88
Accrued liabilities with related parties	35		$ 49
Noncash Investing and Financing Items [Abstract]
Restructuring, transaction and integration-related costs	11	$ 0
Accruals for Capital Expenditure	(108)	(55)
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 98	$ 36