EID Segment FN Segment Asset Reconciliation (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020		Dec. 31, 2019	[1]
Segment Reporting Information [Line Items]
Segment Assets	$ 35,698	$ 36,850	[1]	$ 38,879
Corporate Assets	6,646	5,799
Assets	42,344	42,649
EID [Member]
Segment Reporting Information [Line Items]
Assets	$ 42,344	$ 42,649

[1] On June 1, 2019, as a result of changes in reportable segments, $3,382 million of goodwill was reallocated from the seed reportable segment to the crop protection reportable segment. This change was not reflected in segment assets prior to June 1, 2019.