Accounts and Notes Receivable (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable - trade	[1]	$ 5,231	$ 5,367	$ 3,754
Notes receivable - trade	[1],[2]	533	412	163
Other	[3]	1,028	996	1,009
Accounts and notes receivable - net		6,792	6,775	4,926
Accounts Receivable, Allowance for Credit Loss, Current		203	203	208	$ 174
Due from Affiliates		115	140	106
Factoring Agreement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade Receivables Sold		11	15
Trade receivables sold the remain outstanding with an element of recourse		$ 128	$ 43	$ 157

[1] Accounts receivable – trade and notes receivable - trade are net of allowances of $203 million at March 31, 2021, $208 million at December 31, 2020, and $203 million at March 31, 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 March 31, 2021, December 31, 2020, and March 31, 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 $115 million, $106 million, and $140 million as of March 31, 2021, December 31, 2020, and March 31, 2020, respectively.