Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ 11,879	$ 1,288	$ (1,107)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization expense	2,473	2,405	2,351
Loss (gain) on early redemption and retirement of debt, net	(14)	193	0
LCM inventory valuation adjustment	0	0	(19)
Asset impairment loss	61	0	0
Gain on sale of assets	0	(62)	0
Deferred income tax expense (benefit)	50	(126)	158
Changes in current assets and current liabilities	(1,626)	2,225	(345)
Changes in deferred charges and credits and other operating activities, net	(249)	(64)	(90)
Net cash provided by operating activities	12,574	5,859	948
Cash flows from investing activities:
Proceeds from sale of assets	32	270	0
Investments in nonconsolidated joint ventures	(1)	(9)	(54)
Other investing activities, net	(99)	38	65
Net cash used in investing activities	(2,805)	(2,159)	(2,425)
Cash flows from financing activities:
Premiums paid on early redemption and retirement of debt	(56)	(179)	0
Purchases of common stock for treasury	(4,577)	(27)	(156)
Common stock dividend payments	(1,562)	(1,602)	(1,600)
Contributions from noncontrolling interests	265	189	0
Distributions to noncontrolling interests	(93)	(2)	(208)
Other financing activities, net	(16)	(18)	(34)
Net cash provided by (used in) financing activities	(8,849)	(2,846)	2,077
Effect of foreign exchange rate changes on cash	(180)	(45)	130
Net increase in cash and cash equivalents	740	809	730
Cash and cash equivalents at beginning of year	4,122	3,313	2,583
Cash and cash equivalents at end of year	4,862	4,122	3,313
Excluding Variable Interest Entities (VIEs) [Member]
Cash flows from investing activities:
Capital expenditures	(788)	(513)	(1,014)
Deferred turnaround and catalyst cost expenditures	(1,030)	(787)	(623)
Cash flows from financing activities:
Proceeds from debt issuances and borrowings	2,239	1,446	4,320
Repayments of debt and finance lease obligations	(5,067)	(2,849)	(490)
Diamond Green Diesel Holdings LLC (DGD) [Member]
Cash flows from investing activities:
Capital expenditures	(853)	(1,042)	(523)
Deferred turnaround and catalyst cost expenditures	(26)	(6)	(25)
Cash flows from financing activities:
Proceeds from debt issuances and borrowings	809	301	0
Repayments of debt and finance lease obligations	(823)	(180)	0
Other VIEs [Member]
Cash flows from investing activities:
Capital expenditures	(40)	(110)	(251)
Cash flows from financing activities:
Proceeds from borrowings of other VIEs	105	81	250
Repayments of debt and finance lease obligations	$ (73)	$ (6)	$ (5)