Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Equity [Abstract]

Reconciliation of Common Stock Share Activity

Shares of common stock	Issued		Held In Treasury
Balance January 1, 2016 (Predecessor)	958,388,000		(87,041,000	)
Issued	4,808,000		—
Repurchased	—		(13,152,000	)
Retired	(13,152,000	)	13,152,000
Balance December 31, 2016 (Predecessor)	950,044,000		(87,041,000	)
Issued	5,335,000		—
Retired	(87,041,000	)	87,041,000
Balance August 31, 2017 (Predecessor)	868,338,000		—
Balance September 1, 2017, December 31, 2017 and December 31, 2018 (Successor)1	100		—

^1.  All of the company's issued and outstanding common stock is held by the DowDuPont Inc. at September 1, 2017 and December 31, 2018.

Other Comprehensive Income (Loss)

(In millions)	Cumulative Translation Adjustment1			Derivative Instruments			Pension Benefit Plans2			Other Benefit Plans			Unrealized Gain (Loss) on Investments			Total
2016
Balance January 1, 2016 (Predecessor)	$	(2,333	)	$	(24	)	$	(7,043	)	$	22		$	(18	)	$	(9,396	)
Other comprehensive (loss) income before reclassifications	(510		)	20			(271		)	(81		)	(8		)	(850		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			11			594			(298		)	28			335
Net other comprehensive (loss) income	(510		)	31			323			(379		)	20			(515		)
Balance December 31, 2016 (Predecessor)	$	(2,843	)	$	7		$	(6,720	)	$	(357	)	$	2		$	(9,911	)
2017
Other comprehensive income (loss) before reclassifications	1,042			3			(78		)	—			1			968
Amounts reclassified from accumulated other comprehensive income (loss)	—			(13		)	325			10			(1		)	321
Net other comprehensive income (loss)	1,042			(10		)	247			10			—			1,289
Balance August 31, 2017 (Predecessor)	$	(1,801	)	$	(3	)	$	(6,473	)	$	(347	)	$	2		$	(8,622	)
Balance September 1, 2017 (Successor)3	$	—		$	—		$	—		$	—		$	—		$	—
Other comprehensive income (loss) before reclassifications	(454		)	(2		)	128			(53		)	—			(381		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			—			—			—			—			—
Net other comprehensive (loss) income	(454		)	(2		)	128			(53		)	—			(381		)
Balance December 31, 2017 (Successor)	$	(454	)	$	(2	)	$	128		$	(53	)	$	—		$	(381	)
2018
Other comprehensive income (loss) before reclassifications	(1,512		)	(19		)	(723		)	132			—			(2,122		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			(5		)	5			—			—			—
Net other comprehensive (loss) income	(1,512		)	(24		)	(718		)	132			—			(2,122		)
Balance December 31, 2018 (Successor)	$	(1,966	)	$	(26	)	$	(590	)	$	79		$	—		$	(2,503	)

^1.  The cumulative translation adjustment losses for the year ended December 31, 2018, and for the period September 1 through December 31, 2017, are primarily driven by the strengthening of the USD against the European Euro ("EUR") and the Brazilian real ("BRL"). The cumulative translation adjustment gain for the period January 1 through August 31, 2017 is primarily driven by the weakening of the USD against the EUR. The currency translation loss for the year ended December 31, 2016 is primarily driven by the strengthening of the USD against the EUR partially offset by the weakening of the USD against the BRL.

^2.  The Pension Benefit Plans loss recognized in other comprehensive (loss) income during the year ended December 31, 2016 includes the impact of the remeasurement of the principal U.S. pension plan as of June 30, 2016. See Note 18 for additional information.

^3.  In connection with the Merger, previously unrecognized prior service benefits and net losses related to Historical DuPont's pension and other post employment benefit ("OPEB") plans were eliminated as a result of reflecting the balance sheet at fair value as of the date of the Merger. See Note 3 and 18 for further information regarding the Merger and pension and OPEB plans, respectively.

The tax (expense) benefit on the net activity related to each component of other comprehensive income (loss) were as follows:

	Successor						Predecessor
(In millions)	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			For the Year Ended December 31, 2016
Derivative instruments	$	6		$	1		$	6		$	(19	)
Pension benefit plans - net	201			(37		)	(145		)	(163		)
Other benefit plans - net	(40		)	15			(5		)	194
Benefit from (provision for) income taxes related to other comprehensive income (loss) items	$	167		$	(21	)	$	(144	)	$	12

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

	Successor					Predecessor						Income Classification
(In millions)	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			For the Year Ended December 31, 2016
Derivative Instruments:	$	(6	)	$	—	$	(21	)	$	18		(1)
Tax expense (benefit)	1			—		8			(7		)	(2)
After-tax	$	(5	)	$	—	$	(13	)	$	11
Amortization of pension benefit plans:
Prior service benefit	—			—		(3		)	(6		)	(3),(4)
Actuarial losses	—			—		506			822			(3),(4)
Curtailment loss	7			—		—			40			(3),(4)
Settlement loss	(2		)	—		—			62			(3),(4)
Total before tax	$	5		$	—	$	503		$	918
Tax expense (benefit)	—			—		(178		)	(324		)	(2)
After-tax	$	5		$	—	$	325		$	594
Amortization of other benefit plans:
Prior service benefit	—			—		(46		)	(134		)	(3),(4)
Actuarial losses	—			—		61			78			(3),(4)
Curtailment gain	—			—		—			(392		)	(3),(4)
Total before tax	$	—		$	—	$	15		$	(448	)
Tax (benefit) expense	—			—		(5		)	150			(2)
After-tax	$	—		$	—	$	10		$	(298	)
Net realized (losses) gains on investments, before tax:	—			—		(1		)	28			(4)
Tax expense	—			—		—			—			(2)
After-tax	$	—		$	—	$	(1	)	$	28
Total reclassifications for the period, after-tax	$	—		$	—	$	321		$	335

^1.  Cost of goods sold.

^2.  Provision for (benefit from) income taxes from continuing operations.

^3.  These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost of the company's pension and other benefit plans. See Note 18 for additional information.

^4.  Sundry income (expense) - net.