Deferred Charges and Other Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred Charges and Other Assets
Deferred turnaround and catalyst costs, net	$ 2,689	$ 2,382
Operating lease ROU assets, net (see Note 5)	1,098	1,136
Investments in nonconsolidated joint ventures	695	713
Purchased compliance credits	488	612
Goodwill	260	260
Intangible assets, net	151	183
Income taxes receivable	317	56
Other	1,394	1,284
Deferred charges and other assets, net	7,092	6,626
Deferred Charges and Other Assets (Textual)
Amortization expense, deferred turnaround and catalyst costs and intangible assets	$ 852	$ 821	$ 745