TDCC Consolidated Statements of Equity Statement - USD ($) $ in Millions	Total	Common Stock	Add'l Paid-in Capital	Retained Earnings [Member]	Accumulated Other Comprehensive Loss	Unearned ESOP	The Dow Chemical Company	The Dow Chemical Company Common Stock	The Dow Chemical Company Add'l Paid-in Capital	The Dow Chemical Company Retained Earnings [Member]	The Dow Chemical Company Accumulated Other Comprehensive Loss	The Dow Chemical Company Unearned ESOP	Dow Inc. [Member] The Dow Chemical Company Add'l Paid-in Capital	Dow Inc. [Member] The Dow Chemical Company Retained Earnings [Member]
Beginning balance at Dec. 31, 2020		$ 8	$ 7,595	$ 16,361	$ (10,855)	$ (49)		$ 0	$ 7,603	$ 16,300	$ (10,855)	$ (49)
Issuance of parent company stock													$ 320
Stock-based compensation and allocation of ESOP shares			236			34			236			34
Other			0	22					0	(22)
Net income available for The Dow Chemical Company common stockholder	$ 6,311			6,311			$ 6,274			6,274
Dividends to parent														$ (3,264)
Other comprehensive income (loss)	1,878				1,878						1,878
Ending balance at Dec. 31, 2021	18,739	8	8,151	20,623	(8,977)	(15)	19,029	0	8,159	19,288	(8,977)	(15)
The Dow Chemical Company’s stockholder's equity	18,165						18,455
Noncontrolling interests	574						574
Issuance of parent company stock													212
Stock-based compensation and allocation of ESOP shares			258			15			258			15
Other			2	19					(2)	(24)
Net income available for The Dow Chemical Company common stockholder	4,582			4,582			4,583			4,583
Dividends to parent														(4,375)
Other comprehensive income (loss)	1,838				1,838						1,838
Ending balance at Dec. 31, 2022	21,247	8	8,540	23,180	(7,139)	0	21,489	0	8,627	19,472	(7,139)	0
The Dow Chemical Company’s stockholder's equity	20,718						20,960
Noncontrolling interests	529						529
Issuance of parent company stock													$ 188
Stock-based compensation and allocation of ESOP shares			276			0			276			0
Other			0	23					0	(23)
Net income available for The Dow Chemical Company common stockholder	589			589			556			556
Dividends to parent														$ (2,510)
Other comprehensive income (loss)	(542)				(542)						(542)
Ending balance at Dec. 31, 2023	19,108	$ 8	$ 8,880	$ 21,774	$ (7,681)	$ 0	19,406	$ 0	$ 9,091	$ 17,495	$ (7,681)	$ 0
The Dow Chemical Company’s stockholder's equity	18,607						18,905
Noncontrolling interests	$ 501						$ 501