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Supplementary Information Other Income (Expense) - Net (Details) - USD ($)
$ in Millions

3 Months Ended

9 Months Ended

Sep. 30, 2021

Sep. 30, 2020

Sep. 30, 2021

Sep. 30, 2020

Equity in (losses) / earnings of affiliates - net

$ (1)

$ 0

$ 4

$ (3)

Net gain (loss) on sales of businesses and other assets

^[1]

1

1

2

(29)

Net exchange gains (losses)

^[2]

2

(67)

(47)

(127)

Non-operating pension and other post employment benefit credit

^[3]

326

93

979

275

Miscellaneous expenses - net

^[4]

31

(8)

17

(34)

Other income - net

378

30

1,013

120

Interest income

19

11

58

38

Hedging Program [Member]

Net exchange gains (losses)

34

(6)

0

173

Hedging Program [Member] | Argentine Peso Devaluation [Member]

Net exchange gains (losses)

(16)

(26)

(53)

(56)

Subsidiary Monetary Position

Net exchange gains (losses)

(32)

(61)

(47)

(300)

Segment Reconciling Items [Member]

Net exchange gains (losses)

(2)

67

47

127

Non-operating pension and other post employment benefit credit

(315)

(73)

(941)

(237)

Gain (Loss) on Disposition of Assets

^[5]

(53)

Interest income

$ (19)

$ (11)

$ (58)

(38)

Segment Reconciling Items [Member] | Crop Protection [Member]

Gain (Loss) on Disposition of Assets

(53)

Sale of JV [Member] | Segment Reconciling Items [Member] | Crop Protection [Member]

Gain (Loss) on Disposition of Assets

^[5]

$ (53)

[1]	The nine months ended September 30, 2020 includes a loss of $(53) million relating to the sale of the La Porte site, for which the company signed an agreement in 2020, and closed during the first quarter of 2021.
[2]	Includes net pre-tax exchange losses of $(16) million and $(53) million associated with the devaluation of the Argentine peso for the three and nine months ended September 30, 2021, respectively, and $(26) million and $(56) million for the three and nine months ended September 30, 2020, respectively.
[3]	Includes non-service related components of net periodic benefit credits (costs) (interest cost, expected return on plan assets, amortization of unrecognized gain (loss), amortization of prior service benefit and settlement loss).
[4]	Miscellaneous expense - net for the three and nine months ended September 30, 2021 and 2020 includes losses on sale of receivables, tax indemnification adjustments related to changes in indemnification balances as a result of the application of the terms of the Tax Matters Agreement between Corteva and Dow and/or DuPont, and other items. Miscellaneous expense - net for the three and nine months ended September 30, 2021 also includes a gain from remeasurement of an equity investment and for the nine months ended September 30, 2021 includes realized losses on sale of available-for-sale securities.
[5]	Includes a loss recorded in other income - net related to the sale of the La Porte site.

X

- Definition

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