STOCKHOLDERS' EQUITY (Retained Earnings) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Dividends declared (in dollars per share)	$ 2.80	$ 2.80	$ 2.80
Undistributed Earnings of Nonconsolidated Affiliates	$ 684	$ 669
The Dow Chemical Company | Dow Inc. [Member]
Dividends declared and paid	$ 2,510	$ 4,375	$ 3,264