Goodwill and Other Intangible Assets Goodwill by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021		Dec. 31, 2020
Goodwill [Line Items]
Goodwill Beginning Balance	$ 10,269		$ 10,229
Currency Translation Adjustment	(160)		69
Other goodwill adjustments and acquisitions	(2)	[1]	(29)	[2]
Goodwill Ending Balance	10,107		10,269
Accumulated impairment losses on goodwill	4,503
Crop Protection [Member]
Goodwill [Line Items]
Goodwill Beginning Balance	4,745		4,743
Currency Translation Adjustment	(73)		31
Other goodwill adjustments and acquisitions	0		(29)	[2]
Goodwill Ending Balance	4,672		4,745
Seed [Member]
Goodwill [Line Items]
Goodwill Beginning Balance	5,524		5,486
Currency Translation Adjustment	(87)		38
Other goodwill adjustments and acquisitions	(2)	[1]	0
Goodwill Ending Balance	$ 5,435		$ 5,524

[1] Consists of the goodwill included in the sale of a business in the seed segment.

[2] Primarily consists of the goodwill included in the sale of businesses in the crop protection segment.