Schedule II - Valuation and Qualifying Accounts (Notes)

12 Months Ended

Dec. 31, 2019

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

Schedule II—Valuation and Qualifying Accounts (EID and Corteva, Inc.)

(Dollars in millions)

	Successor									Predecessor
	For the Year Ended December 31, 2019			For the Year Ended December 31, 2018			For the Period September 1 through December 31, 2017			For the Period January 1 through August 31, 2017
Accounts Receivable—Allowance for Doubtful Receivables
Balance at beginning of period	$	127		$	64		$	60		$	250
Additions charged to expenses	69			80			11			57
Deductions from reserves1	(22		)	(17		)	(7		)	(34		)
Balance at end of period	$	174		$	127		$	64		$	273
Inventory—Obsolescence Reserve
Balance at beginning of period	$	272		$	137		$	89		$	164
Additions charged to expenses	370			449			88			217
Deductions from reserves2	(386		)	(314		)	(40		)	(161		)
Balance at end of period	$	256		$	272		$	137		$	220
Deferred Tax Assets—Valuation Allowance
Balance at beginning of period	$	669		$	559		$	502		$	504
Additions charged to expenses	20			451			104			69
Deductions from reserves3	(232		)	(341		)	(47		)	(190		)
Balance at end of period	$	457		$	669		$	559		$	383

^1.  Deductions include write-offs, recoveries and currency translation adjustments.

^2.  Deductions include disposals and currency translation adjustments.

³ Deductions include currency translation adjustments.