Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Cash Flows [Abstract]
Net income	$ 4,640	$ 6,405	$ 1,294
Depreciation and amortization	2,758	2,842	2,874
Provision (Credit) for deferred income tax	79	278	258
Earnings of nonconsolidated affiliates less than (in excess of) dividends received	696	(651)	443
Net periodic pension benefit cost	23	39	266
Pension contributions	(235)	(1,219)	(299)
Net gain on sales of assets, businesses and investments	(19)	(105)	(802)
Restructuring, goodwill impairment and asset related charges - net	118	6	708
Other net loss	212	921	318
Accounts and notes receivable	1,187	(2,132)	171
Inventories	347	(1,768)	515
Accounts payable	(1,255)	2,458	(84)
Other assets and liabilities, net	(1,065)	(5)	590
Cash provided by operating activities - continuing operations	7,486	7,069	6,252
Cash used for operating activities - discontinued operations	(11)	(60)	(26)
Cash provided by (used for) operating activities	7,475	7,009	6,226
Capital expenditures	(1,823)	(1,501)	(1,252)
Investment in gas field developments	(190)	(92)	(5)
Purchases of previously leased assets	(7)	(694)	(5)
Proceeds from sales of property and businesses, net of cash divested	32	68	929
Acquisitions of property and businesses, net of cash acquired	(228)	(129)	(130)
Investments in and loans to nonconsolidated affiliates	(148)	0	(333)
Distributions and loan repayments from nonconsolidated affiliates	52	51	7
Proceeds from Sale of Equity Method Investments	11	0	0
Purchases of investments	(1,366)	(1,366)	(1,203)
Proceeds from sales and maturities of investments	747	759	1,122
Other investing activities, net	(50)	(10)	29
Cash provided by (used for) investing activities	(2,970)	(2,914)	(841)
Changes in short-term notes payable	253	(48)	(431)
Proceeds from Short-term Debt, Maturing in More than Three Months	0	144	163
Repayments of Short-term Debt, Maturing in More than Three Months	(14)	(130)	(163)
Proceeds from issuance of long-term debt	1,667	109	4,672
Payments on long-term debt	(1,006)	(2,771)	(4,653)
Purchases of treasury stock	(2,325)	(1,000)	(125)
Proceeds from issuance of parent company stock	212	320	108
Transaction financing, debt issuance and other costs	(24)	(537)	(175)
Employee taxes paid for share-based payment arrangements	(35)	(12)	(27)
Distributions to noncontrolling interests	(83)	(73)	(62)
Dividends paid to stockholders	(2,006)	(2,073)	(2,071)
Cash used for financing activities	(3,361)	(6,071)	(2,764)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(237)	(99)	107
Increase (decrease) in cash, cash equivalents and restricted cash	907	(2,075)	2,728
Cash, cash equivalents and restricted cash at beginning of year	3,033	5,108	2,380
Cash, cash equivalents and restricted cash at end of year	3,940	3,033	5,108
Less: Restricted cash and cash equivalents, included in Other current assets	54	45	4
Cash and cash equivalents at end of year	$ 3,886	$ 2,988	$ 5,104