Dow Consolidated Balance Sheets Parentheticals - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Accounts Receivable, Allowance for Credit Loss, Current	$ 72	$ 95
Total current assets (variable interest entities restricted - 2025: $209; 2024: $55)	17,712	16,590
Investments, Fair Value Disclosure	2,033	2,047
Net property (variable interest entities restricted - 2025: $2,380; 2024: $122)	22,476	22,004
Finite-Lived Intangible Assets, Accumulated Amortization	5,660	5,394
Total other assets (variable interest entities restricted - 2025: $212; 2024: $15)	14,319	14,039
Total current liabilities (variable interest entities nonrecourse - 2025: $365; 2024: $24)	10,486	10,288
Long-Term Debt (variable interest entities nonrecourse - 2025: $176; 2024: $—)	16,247	15,711
Total other noncurrent liabilities (variable interest entities nonrecourse - 2025: $329; 2024: $13)	$ 13,666	$ 13,462
Common Stock, Shares Authorized	5,000,000,000	5,000,000,000
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares, Issued	785,942,132	784,471,939
Treasury Stock, Common, Shares	77,097,981	80,859,145
Variable Interest Entity, Primary Beneficiary [Member]
Total current assets (variable interest entities restricted - 2025: $209; 2024: $55)	$ 209	$ 55
Net property (variable interest entities restricted - 2025: $2,380; 2024: $122)	2,380	122
Total other assets (variable interest entities restricted - 2025: $212; 2024: $15)	212	15
Total current liabilities (variable interest entities nonrecourse - 2025: $365; 2024: $24)	365	24
Long-Term Debt (variable interest entities nonrecourse - 2025: $176; 2024: $—)	176	0
Total other noncurrent liabilities (variable interest entities nonrecourse - 2025: $329; 2024: $13)	$ 329	$ 13