Dow Consolidated Statements of Cash Flows Statement - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Cash Flows [Abstract]
Net income	$ 1,552	$ 1,006
Depreciation and amortization	752	717
Provision for deferred income tax	253	144
Earnings of nonconsolidated affiliates less than (in excess of) dividends received	374	(46)
Net periodic pension benefit cost	7	23
Pension contributions	(55)	(1,061)
Net gain on sales of assets, businesses and investments	(6)	(38)
Restructuring and asset related charges - net	186	0
Other net loss	140	55
Accounts and notes receivable	(741)	(866)
Inventories	(443)	(478)
Accounts payable	86	611
Other assets and liabilities, net	(493)	(295)
Cash provided by (used for) operating activities - continuing operations	1,612	(228)
Cash used for operating activities - discontinued operations	(9)	(63)
Cash provided by (used for) operating activities	1,603	(291)
Capital expenditures	(315)	(289)
Investment in gas field developments	(37)	(9)
Payments to Acquire Equipment on Lease	(2)	(2)
Proceeds from sales of property and businesses, net of cash divested	4	9
Investments in and loans to nonconsolidated affiliates	(6)	0
Proceeds from Sale of Equity Method Investments	11	0
Purchases of investments	(148)	(150)
Proceeds from sales and maturities of investments	141	428
Payments for (Proceeds from) Other Investing Activities	(15)	0
Cash used for investing activities	(367)	(13)
Changes in short-term notes payable	(21)	(47)
Repayments of Short-term Debt, Maturing in More than Three Months	(14)	0
Proceeds from issuance of long-term debt	16	29
Payments on long-term debt	(25)	(164)
Collections on securitization programs	141	0
Purchases of treasury stock	(600)	0
Proceeds from issuance of stock	35	127
Transaction financing, debt issuance and other costs	0	(1)
Employee taxes paid for share-based payment arrangements	(35)	(10)
Distributions to noncontrolling interests	(1)	(8)
Dividends paid to stockholders	(513)	(521)
Cash used for financing activities	(1,017)	(595)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(45)	(48)
Increase (decrease) in cash, cash equivalents and restricted cash	174	(947)
Cash, cash equivalents and restricted cash at beginning of period	3,033	5,108
Cash, cash equivalents and restricted cash at end of period	3,207	4,161
Less: Restricted cash and cash equivalents, included in "Other current assets"	64	28
Cash and cash equivalents and end of period	$ 3,143	$ 4,133