STOCKHOLDERS' EQUITY (Shares of Dow Common Stock) (Details) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Common Stock and Treasury Stock Outstanding Roll Forward [Line Items]
Issued (in shares)	7,451,643	8,233,684	4,764,554
Treasury Stock Reissued	(1,499,610)	0	0
Treasury Stock, Common, Shares	66,798,605	29,011,573
Issued
Schedule of Common Stock and Treasury Stock Outstanding Roll Forward [Line Items]
Shares, Outstanding	771,678,525	764,226,882	755,993,198	751,228,644
Treasury Stock, Common
Schedule of Common Stock and Treasury Stock Outstanding Roll Forward [Line Items]
Repurchased	39,286,642	16,208,270	3,073,469
Treasury Stock, Common, Shares	66,798,605	29,011,573	12,803,303	9,729,834