Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income (loss)	$ 5,735	$ (330)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization expense	1,208	1,166
Loss on early retirement of debt	50	0
Gain on sale of assets	0	(62)
Deferred income tax benefit	(333)	(136)
Changes in current assets and current liabilities	(128)	1,251
Changes in deferred charges and credits and other operating activities, net	(99)	67
Net cash provided by operating activities	6,433	1,956
Cash flows from investing activities:
Proceeds from sale of assets	32	270
Investments in nonconsolidated joint ventures	(1)	(9)
Other investing activities, net	4	24
Net cash used in investing activities	(1,460)	(836)
Cash flows from financing activities:
Premiums paid on early retirement of debt	(48)	0
Purchases of common stock for treasury	(1,892)	(15)
Common stock dividend payments	(800)	(801)
Contributions from noncontrolling interests	240	0
Distributions to noncontrolling interests	(3)	(2)
Other financing activities, net	(5)	2
Net cash used in financing activities	(3,642)	(866)
Effect of foreign exchange rate changes on cash	(61)	5
Net increase in cash and cash equivalents	1,270	259
Cash and cash equivalents at beginning of period	4,122	3,313
Cash and cash equivalents at end of period	5,392	3,572
Excluding Variable Interest Entities (VIEs) [Member]
Cash flows from investing activities:
Capital expenditures	(324)	(261)
Deferred turnaround and catalyst cost expenditures	(681)	(426)
Cash flows from financing activities:
Proceeds from debt issuances and borrowings	1,439	0
Repayments of debt and finance lease obligations	(2,580)	(63)
Diamond Green Diesel Holdings LLC (DGD) [Member]
Cash flows from investing activities:
Capital expenditures	(458)	(398)
Deferred turnaround and catalyst cost expenditures	(13)	(1)
Cash flows from financing activities:
Proceeds from debt issuances and borrowings	359	0
Repayments of debt and finance lease obligations	(365)	0
Other VIEs [Member]
Cash flows from investing activities:
Capital expenditures	(19)	(35)
Cash flows from financing activities:
Proceeds from debt issuances and borrowings	46	16
Repayments of debt and finance lease obligations	$ (33)	$ (3)