Accounts and Notes Receivable (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable - trade	[1]	$ 3,231	$ 3,969	$ 3,231	$ 3,969	$ 4,225
Notes receivable - trade	[1],[2]	1,407	1,403	1,407	1,403	171
Other	[3]	989	1,202	989	1,202	1,132
Accounts and notes receivable - net		5,627	6,574	5,627	6,574	5,528
Accounts Receivable, Allowance for Credit Loss, Current		210	170	210	170	174
Due from Affiliates		92	127	92	127	119
Factoring Agreement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade Receivables Sold		44	13	221	97
Trade receivables sold the remain outstanding with an element of recourse		178	61	178	61	$ 171
Loss on Sale of Accounts Receivable		$ 11	$ 4	$ 49	$ 41

[1] Accounts receivable – trade and notes receivable - trade are net of allowances of $210 million at September 30, 2020, $174 million at December 31, 2019, and $170 million at September 30, 2019. The allowance at September 30, 2020 is equal to the expected credit losses and was developed using a loss-rate method. The allowance at December 31, 2019 and September 30, 2019 is equal to the estimated uncollectible amounts and is based on historical collection experience, current economic and market conditions, and review of the current status of customers' accounts.

[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, 2020, December 31, 2019, and September 30, 2019 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 $92 million, $119 million, and $127 million as of September 30, 2020, December 31, 2019, and September 30, 2019, respectively.