Accounts and Notes Receivable (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable - trade	[1]	$ 3,336	$ 3,231	$ 3,336	$ 3,231	$ 3,754
Notes receivable - trade	[1],[2]	1,408	1,407	1,408	1,407	163
Other	[3]	1,074	989	1,074	989	1,009
Accounts and notes receivable - net		5,818	5,627	5,818	5,627	4,926
Accounts Receivable, Allowance for Credit Loss, Current		210	210	210	210	208	$ 174
Due from Affiliates		84	92	84	92	106
Factoring Agreement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade Receivables Sold		70	44	257	221
Trade receivables sold the remain outstanding with an element of recourse		173	178	173	178	$ 157
Loss on Sale of Accounts Receivable		$ 11	$ 11	$ 54	$ 49

[1] Accounts receivable – trade and notes receivable - trade are net of allowances of $210 million at September 30, 2021, $208 million at December 31, 2020, and $210 million at September 30, 2020. Allowances are equal to the estimated uncollectible amounts and are based on the expected credit losses and were developed using a loss-rate method.

[2] Notes receivable – trade primarily consists of receivables for deferred payment loan programs for the sale of seed products to customers. These loans have terms of one year or less and are primarily concentrated in North America. The company maintains a rigid pre-approval process for extending credit to customers in order to manage overall risk and exposure associated with credit losses. As of September 30, 2021, December 31, 2020, and September 30, 2020 there were no significant impairments related to current loan agreements.

[3] Other includes receivables in relation to indemnification assets, value added tax, general sales tax and other taxes. No individual group represents more than 10 percent of total receivables. In addition, Other includes amounts due from nonconsolidated affiliates of $84 million, $106 million, and $92 million as of September 30, 2021, December 31, 2020, and September 30, 2020, respectively.