Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net income		$ 2,256	$ 5,268
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense		1,391	1,329
Gain on early retirement of debt, net		0	(11)
Deferred income tax expense (benefit)		(100)	159
Changes in current assets and current liabilities		629	(1,728)
Changes in deferred charges and credits and other operating activities, net		142	(335)
Net cash provided by operating activities		4,318	4,682
Cash flows from investing activities:
Purchases of available-for-sale (AFS) debt securities		(14)	(354)
Proceeds from sales and maturities of AFS debt securities		68	251
Other investing activities, net		(2)	7
Net cash used in investing activities		(1,029)	(1,078)
Cash flows from financing activities:
Premiums paid on early retirement of debt		0	(5)
Purchases of common stock for treasury		(2,056)	(2,393)
Common stock dividend payments		(703)	(746)
Contributions from noncontrolling interests		90	75
Distributions to noncontrolling interests		(2)	(101)
Other financing activities, net		0	(1)
Net cash used in financing activities		(3,191)	(3,520)
Effect of foreign exchange rate changes on cash		(108)	129
Net increase (decrease) in cash, cash equivalents, and restricted cash		(10)	213
Cash and cash equivalents at beginning of period		5,424	4,862
Cash, cash equivalents, and restricted cash at end of period (a)	[1]	5,414	5,075
Excluding Variable Interest Entities (VIEs) [Member]
Cash flows from investing activities:
Capital expenditures		(247)	(311)
Deferred turnaround and catalyst cost expenditures		(636)	(508)
Cash flows from financing activities:
Proceeds from debt borrowings		2,850	1,450
Repayments of debt and finance lease obligations		(3,117)	(1,726)
Diamond Green Diesel Holdings LLC (DGD) [Member]
Cash flows from investing activities:
Capital expenditures		(142)	(122)
Deferred turnaround and catalyst cost expenditures		(51)	(39)
Cash flows from financing activities:
Proceeds from debt borrowings		250	300
Repayments of debt and finance lease obligations		(513)	(386)
Other VIEs [Member]
Cash flows from investing activities:
Capital expenditures		(5)	(2)
Cash flows from financing activities:
Proceeds from borrowings of other VIEs		23	54
Repayments of debt and finance lease obligations		$ (13)	$ (41)

[1] Restricted cash is included in prepaid expenses and other in our balance sheets.