Business Combinations (Tables)

9 Months Ended

Sep. 30, 2017

Business Acquisition [Line Items]

Schedule of Fair Value of Consideration Transferred

Consideration                                                                                                                                                                                               In millions (except exchange ratio)
DuPont Common Stock outstanding as of the Merger Effectiveness Time	868.3
DuPont exchange ratio	1.2820
DowDuPont Common Stock issued in exchange for DuPont Common Stock	1,113.2
Fair value of DowDuPont Common Stock issued 1	$	74,195
Fair value of DowDuPont equity awards issued in exchange for outstanding DuPont equity awards 2	485
Total consideration	$	74,680

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Fair Value of DuPont Assets and Liabilities as of the Merger Effectiveness Time
(In millions)
Fair Value of Assets
Cash and cash equivalents	$	4,005
Marketable securities	2,849
Accounts and notes receivable - net	7,851
Inventories	8,886
Other current assets	360
Investment in nonconsolidated affiliates	1,685
Assets held for sale - current	3,184
Property, plant and equipment - net	12,122
Goodwill 1	45,501
Other intangible assets 1	27,844
Deferred income tax assets	487
Other assets	2,076
Total Assets	$	116,850
Fair Value of Liabilities
Short-term borrowings and capital lease obligations	$	5,319
Accounts payable	3,283
Income taxes payable	140
Accrued and other current liabilities	3,517
Liabilities held for sale - current	104
Long-term debt	9,878
Deferred income tax liabilities	9,408
Pension and other post employment benefits - noncurrent 2	8,092
Other noncurrent obligations	2,028
Total Liabilities	$	41,769
Noncontrolling interests	162
Preferred stock	239
Fair Value of Net Assets (Consideration for the Merger)	$	74,680

Transaction Costs [Table Text Block]

	Successor		Predecessor
(In millions)	For the Period September 1 - September 30, 2017		For the Period July 1 - August 31, 2017		Three Months Ended September 30, 2016		For the Period Jan. 1 - August 31, 2017		Nine Months Ended September 30, 2016
Integration and separation costs	$	71
Selling, general and administrative expenses			$	210	$	122	$	581	$	222