Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income (loss)	$ 1,288	$ (1,107)	$ 2,784
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization expense	2,405	2,351	2,255
Loss on early redemption and retirement of debt	193	0	22
LCM inventory valuation adjustment	0	(19)	0
Gain on sale of partial interest in MVP Terminalling, LLC (MVP)	(62)	0	0
Deferred income tax expense (benefit)	(126)	158	234
Changes in current assets and current liabilities	2,225	(345)	294
Changes in deferred charges and credits and other operating activities, net	(64)	(90)	(58)
Net cash provided by operating activities	5,859	948	5,531
Cash flows from investing activities:
Proceeds from sale of partial interest in MVP	270	0	0
Investments in nonconsolidated joint ventures	(9)	(54)	(164)
Other investing activities, net	38	65	(63)
Net cash used in investing activities	(2,159)	(2,425)	(3,001)
Cash flows from financing activities:
Premiums on early redemption and retirement of debt	(179)	0	(21)
Purchases of common stock for treasury	(27)	(156)	(777)
Common stock dividend payments	(1,602)	(1,600)	(1,492)
Acquisition of VLP publicly held common units	0	0	(950)
Contributions from noncontrolling interests	189	0	0
Distributions to noncontrolling interests	(2)	(208)	(70)
Other financing activities, net	(18)	(34)	(22)
Net cash provided by (used in) financing activities	(2,846)	2,077	(2,997)
Effect of foreign exchange rate changes on cash	(45)	130	68
Net increase (decrease) in cash and cash equivalents	809	730	(399)
Cash and cash equivalents at beginning of year	3,313	2,583	2,982
Cash and cash equivalents at end of year	4,122	3,313	2,583
Excluding Variable Interest Entities (VIEs) [Member]
Cash flows from investing activities:
Capital expenditures	(513)	(1,014)	(1,627)
Deferred turnaround and catalyst cost expenditures	(787)	(623)	(762)
Cash flows from financing activities:
Proceeds from debt issuances and borrowings	1,446	4,320	1,892
Repayments of debt and finance lease obligations	(2,849)	(490)	(1,790)
Diamond Green Diesel Holdings LLC (DGD) [Member]
Cash flows from investing activities:
Capital expenditures	(1,042)	(523)	(142)
Deferred turnaround and catalyst cost expenditures	(6)	(25)	(18)
Cash flows from financing activities:
Proceeds from debt issuances and borrowings	301	0	0
Repayments of debt and finance lease obligations	(180)	0	0
Other VIEs [Member]
Cash flows from investing activities:
Capital expenditures	(110)	(251)	(225)
Cash flows from financing activities:
Proceeds from debt issuances and borrowings	81	250	239
Repayments of debt and finance lease obligations	$ (6)	$ (5)	$ (6)