Segment Reporting Segment Reconciliation (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Income (Loss) from Continuing Operations After Taxes		$ 1,216	$ 1,822	$ 756
Provision for (benefit from) income taxes on continuing operations		210	524	(81)
Income (loss) from Continuing Operations before Income Taxes		1,426	2,346	675
Depreciation and Amortization		1,223	1,243	1,177
Interest income		124	77	56
Interest Expense		79	30	45
Net exchange losses	[1]	(229)	(54)	(174)
Non-operating pension and other post employment benefit credit (cost)	[2]	163	1,318	368
Significant items		502	236	388
Corporate Expenses		116	138	125
Segment Operating EBITDA		3,340	2,714	2,212
Mark-to-market gain (loss) on certain foreign currency contracts not designated as hedges	[3]	0	0
Seed [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization		839	866	798
Segment Operating EBITDA		1,656	1,512	1,208
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Interest income		(124)	(77)	(56)
Net exchange losses	[3]	229	54	174
Non-operating pension and other post employment benefit credit (cost)	[4]	(111)	(1,256)	(316)
Significant items		(502)		(388)
AltEn facility remediation charges		(33)
Segment Reconciling Items [Member] | Seed [Member]
Segment Reporting Information [Line Items]
Significant items		(298)	(98)	(165)
AltEn facility remediation charges		(33)
Hedging Program [Member]
Segment Reporting Information [Line Items]
Net exchange losses		(12)	18	89
Hedging Program [Member] | Argentine peso devaluation [Member]
Segment Reporting Information [Line Items]
Net exchange losses		(110)	(67)	(82)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization		$ 1,223	$ 1,243	$ 1,177

[1] Includes net pre-tax exchange gains (losses) of $(110) million, $(67) million and $(82) million associated with the devaluation of the Argentine peso for the years ended December 31, 2022, 2021 and 2020, respectively.

[2] Includes non-service related components of net periodic benefit credits (costs) (interest cost, expected return on plan assets, amortization of unrecognized gain (loss), amortization of prior service benefit and settlement gain (loss)). 

[3] Effective January 1, 2021, on a prospective basis, the company excludes net unrealized gain or loss from mark-to-market activity for certain foreign currency derivative instruments that do not qualify for hedge accounting. There was no unrealized mark-to-market (gain) loss for the year ended December 31, 2020.

[4] The year ended December 31, 2021 includes non-cash benefits related to the 2020 OPEB Plan Amendments. Refer to Note 17 - Pension Plans and Other Post Employment Benefits, to the Consolidated Financial Statements, for additional information.