TDCC Consolidated Balance Sheets Parentheticals - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Cash and cash equivalents (variable interest entities restricted - 2021: $36; 2020: $26)	$ 3,491	$ 5,104
Accounts Receivable, Allowance for Credit Loss, Current	59	51
Investments, Fair Value Disclosure	1,655	1,674
Net property (variable interest entities restricted - 2021: $204; 2020: $232)	19,864	20,239
Finite-Lived Intangible Assets, Accumulated Amortization	4,650	4,428
Long-Term Debt (variable interest entities nonrecourse - 2021: $5; 2020: $6)	$ 15,093	$ 16,491
Common Stock, Shares, Issued	761,524,466	755,993,198
Common Stock, Shares Authorized	5,000,000,000	5,000,000,000
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
The Dow Chemical Company
Cash and cash equivalents (variable interest entities restricted - 2021: $36; 2020: $26)	$ 3,491	$ 5,104
Accounts Receivable, Allowance for Credit Loss, Current	59	51
Net property (variable interest entities restricted - 2021: $204; 2020: $232)	19,864	20,239
Finite-Lived Intangible Assets, Accumulated Amortization	4,650	4,428
Long-Term Debt (variable interest entities nonrecourse - 2021: $5; 2020: $6)	$ 15,093	$ 16,491
Common Stock, Shares, Issued	100	100
Common Stock, Shares Authorized	100	100
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents (variable interest entities restricted - 2021: $36; 2020: $26)	$ 36	$ 26
Net property (variable interest entities restricted - 2021: $204; 2020: $232)	204	232
Long-Term Debt (variable interest entities nonrecourse - 2021: $5; 2020: $6)	$ 5	$ 6