Consolidated Statements of Equity - USD ($) $ in Millions	Total	Common Stock	Add'l Paid in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comp Loss	Unearned ESOP	Treasury Stock	Non-controlling Interests
Beginning balance at Dec. 31, 2018	$ 95,900	$ 8	$ 81,976	$ 30,257	$ (12,394)	$ (134)	$ (5,421)	$ 1,608
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative Effect Of New Accounting Principle	(111)			(111)
Net (loss) income	35			(50)				85
Other comprehensive income	78				65			13
Dividends	(1,389)		(224)	(1,165)
Common stock issued/sold	67		67
Stock-based compensation and allocation of ESOP shares	182		153			29
Distributions to non-controlling interests	(12)							(12)
Purchases of treasury stock	(1,681)						(1,681)
Retirement of treasury stock				(7,102)			7,102
Spin-off of Dow and Corteva	(50,487)		(30,843)	(30,123)	11,498	105		(1,124)
Other	(6)	(1)		(5)
Ending balance at Jun. 30, 2019	42,576	7	51,129	(8,299)	(831)	0	0	570
Beginning balance at Mar. 31, 2019	93,820	8	82,141	29,486	(12,364)	(105)	(7,000)	1,654
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(537)			(571)				34
Other comprehensive income	42				35			7
Dividends	(213)		(224)	11
Common stock issued/sold	4		4
Stock-based compensation and allocation of ESOP shares	51		51
Distributions to non-controlling interests	(1)							(1)
Purchases of treasury stock	(102)						(102)
Retirement of treasury stock				(7,102)			7,102
Spin-off of Dow and Corteva	(50,487)		(30,843)	(30,123)	11,498	105		(1,124)
Other	(1)	(1)
Ending balance at Jun. 30, 2019	42,576	7	51,129	(8,299)	(831)	0	0	570
Beginning balance at Dec. 31, 2019	41,556	7	50,796	(8,400)	(1,416)	0	0	569
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative Effect Of New Accounting Principle	(3)			(3)
Net (loss) income	(3,081)			(3,094)				13
Other comprehensive income	(54)				(49)			(5)
Dividends	(662)		(662)
Common stock issued/sold	34		34
Stock-based compensation and allocation of ESOP shares	57		57
Distributions to non-controlling interests	(10)							(10)
Purchases of treasury stock	(232)						(232)
Retirement of treasury stock	0			(232)			232
Other	(28)		(34)	(1)				5
Ending balance at Jun. 30, 2020	37,577	7	50,191	(11,728)	(1,465)	0	0	572
Beginning balance at Mar. 31, 2020	40,117	7	50,605	(9,251)	(1,810)	0	0	566
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(2,471)			(2,478)				7
Other comprehensive income	348				345			3
Dividends	(440)		(440)
Common stock issued/sold	0
Stock-based compensation and allocation of ESOP shares	27		27
Distributions to non-controlling interests	(4)							(4)
Purchases of treasury stock	0
Retirement of treasury stock	0
Other	0		(1)	(1)
Ending balance at Jun. 30, 2020	$ 37,577	$ 7	$ 50,191	$ (11,728)	$ (1,465)	$ 0	$ 0	$ 572