Segment Reporting Segment Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net Sales	$ 17,226	$ 17,455	$ 15,655
Segment Operating EBITDA	3,491	3,340	2,714
Depreciation and Amortization	1,211	1,223	1,243
Segment Assets	37,736	37,049	35,698
Investments in nonconsolidated affiliates	115	102
Operating Segments [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization	1,211	1,223	1,243
Investments in nonconsolidated affiliates	115	102	76
Purchases of property, plant and equipment	595	605	573
Seed [Member]
Segment Reporting Information [Line Items]
Net Sales	9,472	8,979	8,402
Segment Operating EBITDA	2,117	1,656	1,512
Segment Assets	22,732	22,952	23,270
Seed [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization	814	839	866
Investments in nonconsolidated affiliates	39	35	29
Purchases of property, plant and equipment	332	225	237
Crop Protection [Member]
Segment Reporting Information [Line Items]
Net Sales	7,754	8,476	7,253
Segment Operating EBITDA	1,374	1,684	1,202
Segment Assets	15,004	14,097	12,428
Crop Protection [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization	397	384	377
Investments in nonconsolidated affiliates	76	67	47
Purchases of property, plant and equipment	$ 263	$ 380	$ 336