Divestitures and Other Transactions SP Divestiture (Details) - USD ($) $ in Millions		3 Months Ended						4 Months Ended	8 Months Ended		12 Months Ended
		Dec. 31, 2018		Sep. 30, 2018	[1]	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Aug. 31, 2017		Dec. 31, 2019	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill Impairment Charge		$ 0		$ 4,503		$ 0	$ 0	$ 0	$ 0		$ 0	$ 4,503
(Loss) income from discontinued operations after income taxes								(568)	1,403		(671)	1,748
Cash and Cash Equivalents		2,254	[2]								0	2,254	[2]
Total Current Assets - Discontinued Operations		9,089									0	9,089
Total Non-Current Assets - Discontinued Operations		56,545	[3]								0	56,545	[3]
Total Assets - Discontinued Operations	[4]	65,634									0	65,634
Total Current Liabilities - Discontinued Operations		3,167	[3]								0	3,167	[3]
Non-current Liabilities - Discontinued Operations		5,484	[3]								0	5,484	[3]
Specialty Products Disposal [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales								4,916	9,321		5,030	15,711
Cost of Goods Sold								4,269	5,978		3,352	10,533
Other Operating Charges									309
Research and Development Expense								205	414		204	626
Selling, General and Administrative								505	1,184		573	1,599
Amortization of Intangibles								268	100	[5]	267	815
Restructuring and Asset Related Charges - Net								93	311		115	97
Integration and Separation Costs								79			253	340
Goodwill Impairment Charge								0	0		1,102	0
Other Income - net								60	365		57	241
(Loss) Income from Discontinued Operation, before Income Tax								(443)	1,490		(779)	1,942
Provision for Income Taxes, Discontinued Operation								50	436		80	340
(Loss) income from discontinued operations after income taxes								(493)	1,054		(859)	1,602
Depreciation								273	396		281	837
Capital Expenditures								$ 271	$ 429		$ 481	911
Cash and Cash Equivalents		2,199										2,199
Marketable Securities		29										29
Accounts and notes receivable - net		2,441										2,441
Inventories		3,452										3,452
Other current assets		242										242
Total Current Assets - Discontinued Operations		8,363										8,363
Investment in nonconsolidated affiliates		1,185										1,185
Property, Plant and Equipment - Net		8,138										8,138
Goodwill		28,250										28,250
Other Intangible Assets		13,037										13,037
Deferred Income Taxes		122										122
Other Assets		191										191
Total Non-Current Assets - Discontinued Operations		50,923										50,923
Total Assets - Discontinued Operations		59,286										59,286
Short Term Borrowings and finance lease obligations		15										15
Accounts Payable		1,983										1,983
Income Taxes Payable		33										33
Accrued and Other Current Liabilities		884										884
Total Current Liabilities - Discontinued Operations		2,915										2,915
Long-term Debt		29										29
Deferred Income Tax Liabilities		3,624										3,624
Pension and Other Post Employment Benefits Obligation Noncurrent		1,125										1,125
Other Non-current Obligations		262										262
Non-current Liabilities - Discontinued Operations		5,040										5,040
Total Liabilities of discontinued operations		$ 7,955										$ 7,955

[1] Note 7 - Restructuring and Asset Related Charges - Net, Note 5 - Divestitures and Other Transactions, and Note 15 - Goodwill and Other Intangible Assets, for additional information related to integration and separation costs, restructuring and asset related charges - net, discontinued operations, and goodwill impairment charge, respectively.

[2] Refer to Note 5 - Divestitures and Other Transactions, for additional information.

[3] Includes adjustments for discontinued operations and common control business combination.

[4] See Note 5 - Divestitures and Other Transactions, for additional information on discontinued operations.

[5] Included within cost of goods sold, selling, general and administrative expenses, other operating charges, and research and development expenses in the Predecessor period.