Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2025		Sep. 30, 2024
Cash flows from operating activities:
Net income		$ 1,077		$ 2,649
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense		2,341		2,076
Asset impairment loss		1,131	[1]	0
Deferred income tax benefit		(288)		(78)
Changes in current assets and current liabilities		157		795
Changes in deferred charges and credits and other operating activities, net		(649)		171
Net cash provided by operating activities		3,769		5,613
Cash flows from investing activities:
Purchases of available-for-sale (AFS) debt securities		(18)		(17)
Proceeds from sales and maturities of AFS debt securities		24		79
Investments in nonconsolidated joint ventures		(1)		0
Other investing activities, net		44		11
Net cash used in investing activities		(1,426)		(1,437)
Cash flows from financing activities:
Purchases of common stock for treasury		(1,534)		(2,616)
Payment of excise tax on purchases of common stock for treasury		(28)		0
Common stock dividend payments		(1,061)		(1,045)
Contributions from noncontrolling interests		245		90
Distributions to noncontrolling interests		(131)		(113)
Other financing activities, net		(7)		(1)
Net cash used in financing activities		(2,430)		(4,265)
Effect of foreign exchange rate changes on cash		199		19
Net increase (decrease) in cash, cash equivalents, and restricted cash		112		(70)
Cash, cash equivalents, and restricted cash at beginning of period	[2]	4,829		5,424
Cash, cash equivalents, and restricted cash at end of period	[2]	4,941		5,354
Excluding Variable Interest Entities (VIEs) [Member]
Cash flows from investing activities:
Capital expenditures		(504)		(399)
Deferred turnaround and catalyst cost expenditures		(808)		(844)
Cash flows from financing activities:
Proceeds from debt issuance and borrowings		5,599		5,200
Repayments of debt and finance lease obligations		(5,566)		(5,521)
Diamond Green Diesel Holdings LLC (DGD) [Member]
Cash flows from investing activities:
Capital expenditures		(67)		(198)
Deferred turnaround and catalyst cost expenditures		(91)		(62)
Cash flows from financing activities:
Proceeds from debt issuance and borrowings		400		250
Repayments of debt and finance lease obligations		(320)		(519)
Other VIEs [Member]
Cash flows from investing activities:
Capital expenditures		(5)		(7)
Cash flows from financing activities:
Proceeds from debt borrowings of other VIEs		0		23
Repayments of debt and finance lease obligations		$ (27)		$ (13)

[1] The asset impairment loss was recognized in our Refining segment in March 2025.

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