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- Definition

Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

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- Definition

The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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- Definition

The increase (decrease) during the period in the carrying amount (including both current and noncurrent portions of the accrual) of the liability pertaining to the exit from or disposal of business activities or restructuring pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination and to asset retirement obligations.

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- Definition

Amount of other expense (income) that is infrequent in occurrence or unusual in nature.

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- Definition

Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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- Definition

Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Restructuring and Other Charges (Income) - Activity (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Jul. 03, 2018	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Severance and Employee Benefits		$ 2.9	$ 0.0	$ 14.0	$ 0.0
Other Charges (Income)		13.6	0.0	20.2	0.0
Asset Disposal Charges		8.6	4.4	72.4	7.1
Total		25.1	4.4	106.6	7.1
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance				6.5
Change in reserves				34.2
Cash payments				(17.0)
Other				(3.0)
Restructuring Reserve, Ending Balance		20.7		20.7
Environmental charges, net		2.4	2.7	9.2	8.3
Product portfolio sales		(2.2)	0.0	(87.2)	0.0
Other items, net		0.6	0.0	0.6	6.9
Other charges (income), net		0.8	2.7	(77.4)	15.2
DuPont Crop restructuring
Restructuring Cost and Reserve [Line Items]
Severance and Employee Benefits		2.4		10.7
Other Charges (Income)		12.4		15.5
Asset Disposal Charges		5.2		66.3
Total		20.0		92.5
Accelerated depreciation		9.1		17.4
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance				0.0
Change in reserves				26.2
Cash payments				(9.2)
Other				(1.5)
Restructuring Reserve, Ending Balance		15.5		15.5
Lithium restructuring
Restructuring Cost and Reserve [Line Items]
Severance and Employee Benefits		0.0		0.0
Other Charges (Income)		0.0		1.9
Asset Disposal Charges		0.3		0.5
Total		0.3		2.4
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance				3.0
Change in reserves				1.9
Cash payments				(0.8)
Other				0.0
Restructuring Reserve, Ending Balance		4.1		4.1
Other workforce related and facility shutdowns
Restructuring Cost and Reserve [Line Items]
Severance and Employee Benefits		0.5	0.0	3.3	0.0
Other Charges (Income)		1.2	0.0	2.8	0.0
Asset Disposal Charges		3.1	4.4	5.6	7.1
Total		4.8	$ 4.4	11.7	$ 7.1
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance				2.3
Change in reserves				6.1
Cash payments				(5.8)
Other				(1.5)
Restructuring Reserve, Ending Balance		1.1		1.1
Cheminova restructuring
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance				1.2
Change in reserves				0.0
Cash payments				(1.2)
Other				0.0
Restructuring Reserve, Ending Balance		0.0		0.0
Change To Market Access \| DuPont Crop restructuring
Restructuring Cost and Reserve [Line Items]
Total		2.0		57.0
Severance And Other Employee Benefits \| DuPont Crop restructuring
Restructuring Cost and Reserve [Line Items]
Total	$ 1.0			4.0
Future Liability Of Rental Obligation \| DuPont Crop restructuring
Restructuring Cost and Reserve [Line Items]
Total		11.2
Reduction Of Capital Lease Liability \| DuPont Crop restructuring
Restructuring Cost and Reserve [Line Items]
Total		$ (6.0)
Severance, Relocation And Other Employee Related Charges \| DuPont Crop restructuring
Restructuring Cost and Reserve [Line Items]
Total				$ 4.3