Consolidated Statements of Equity Statement - USD ($) $ in Millions	Total	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2017	$ 74,932	$ 239	$ 74,727	$ 175	$ (381)	$ 172
Net Income	(221)			(228)		7
Other comprehensive (loss) income, Net of Tax	972				972
Preferred dividends ($4.50 Series - $1.125 per share, $3.50 Series - $0.875 per share)	(2)			(2)
Distributions to DowDuPont	(831)			(831)
Issuance of DowDuPont Stock	45		45
Stock-based compensation	11		11
Other	60			5		55
Ending Balance at Mar. 31, 2018	74,966	239	74,783	(881)	591	234
Beginning Balance at Dec. 31, 2018	70,088	239	79,790	(7,669)	(2,503)	231
Net Income	89			85		4
Other comprehensive (loss) income, Net of Tax	(73)				(73)
Preferred dividends ($4.50 Series - $1.125 per share, $3.50 Series - $0.875 per share)	(2)			(2)
Distributions to DowDuPont	(317)			(317)
Issuance of DowDuPont Stock	35		35
Stock-based compensation	18		18
Other	(3)			(3)
Ending Balance at Mar. 31, 2019	$ 69,835	$ 239	$ 79,843	$ (7,906)	$ (2,576)	$ 235