Divestitures and Other Transactions Divestitures and Other Transactions - SP Divestiture (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations after income taxes		$ 1	$ 360
Cash and cash equivalents	[1]	0	2,074	$ 0
Assets of discontinued operations - current		0	9,453	0
Assets of discontinued operations - non-current		0	56,617	0
Total assets of discontinued operations	[2]	0	66,070	0
Liabilities of discontinued operations - current		0	3,501	0
Liabilities of discontinued operations - non-current		$ 0	5,512	$ 0
Specialty Products Disposal [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales			3,816
Cost of goods sold			2,535
Research and development expense			153
Selling, general and administrative expenses			401
Amortization of intangibles			201
Restructuring and asset related charges - net			43
Integration and separation costs			164
Other income - net			120
Income from discontinued operations before income taxes			439
Provision for income taxes on discontinued operations			98
Income from discontinued operations after income taxes			341
Depreciation			216
Capital expenditures			423
Cash and cash equivalents			2,042
Marketable securities			13
Accounts and notes receivable - net			2,722
Inventories			3,640
Other current assets			310
Assets of discontinued operations - current			8,727
Investment in nonconsolidated affiliates			1,192
Property, plant and equipment - net			8,061
Goodwill			28,194
Other intangible assets			12,822
Deferred income taxes			106
Other assets			657
Assets of discontinued operations - non-current			51,032
Total assets of discontinued operations			59,759
Short-term borrowings and finance lease obligations			16
Accounts payable			2,075
Income taxes payable			47
Accrued and other current liabilities			1,139
Liabilities of discontinued operations - current			3,277
Deferred Income tax liabilities			3,408
Pension and other post employment benefits - noncurrent			1,084
Other noncurrent obligations			610
Liabilities of discontinued operations - non-current			5,127
Total liabilities of discontinued operations			8,404
Long-term Debt [Member] | Specialty Products Disposal [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Long-Term Debt			$ 25

[1] Refer to Note 3 - Divestitures and Other Transactions, for additional information.

[2] See Note 3 - Divestitures and Other Transactions for additional information on discontinued operations.