Divestitures and Other Transactions Divestitures and Other Transactions - Divested Ag Business Results of Operations (Details) - Predecessor [Member] $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations after income taxes	$ (57)
Divested Ag Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales, Discontinued Operations	424
Cost of Goods Sold, Discontinued Operations	162
Other Operating Charges, Discontinued Operations	4
Research and Development Expense, Discontinued Operations	32
Selling, General and Administrative, Discontinued Operations	39
Income from Discontinued Operation, before Income Taxes	187
Provision for Income Taxes, Discontinued Operation	27
Income (loss) from discontinued operations after income taxes	$ 160