Deferred Charges and Other Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred Charges and Other Assets
Deferred turnaround and catalyst costs, net	$ 2,382	$ 2,139
Operating lease ROU assets, net (see Note 5)	1,136	1,114
Investments in nonconsolidated joint ventures	713	724
Purchased compliance credits	612	543
Goodwill	260	260
Intangible assets, net	183	202
Income taxes receivable	56	26
Other	1,284	863
Deferred charges and other assets, net	6,626	5,871
Deferred Charges and Other Assets (Textual)
Amortization expense, deferred turnaround and catalyst costs and intangible assets	$ 821	$ 745	$ 695