Divestitures and Other Transactions Divestitures and Other Transactions - ECP Divestiture (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations after income taxes		$ 22	$ 526	$ (695)	$ 1,200
Cash and cash equivalents		0	1,965	0	1,965	$ 2,254
Assets of discontinued operations - current		0	9,055	0	9,055	9,089	[1]
Assets of discontinued operations - non-current		0	57,185	0	57,185	56,545
Total assets of discontinued operations	[2]	0	66,240	0	66,240	65,634
Liabilities of discontinued operations - current		0	2,888	0	2,888	3,167	[1]
Liabilities of discontinued operations - non-current		$ 0	5,532	0	5,532	5,484
ECP Disposal [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales			386	362	1,214
Cost of goods sold			277	259	827
Research and development expense			6	4	19
Selling, general and administrative expenses			10	9	34
Amortization of intangibles			24	23	72
Restructuring and asset related charges - net			4	2	6
Integration and separation costs			35	44	88
Other income - net			1	2	12
Income from discontinued operations before income taxes			31	23	180
Provision for income taxes on discontinued operations			16	4	45
Income (loss) from discontinued operations after income taxes			15	19	135
Depreciation			34	28	101
Capital expenditures			17	$ 16	59
Cash and cash equivalents			8		8	55
Accounts and notes receivable - net			216		216	194
Inventories			454		454	465
Other current assets			8		8	12
Assets of discontinued operations - current			686		686	726
Investment in nonconsolidated affiliates			110		110	108
Property, plant and equipment - net			780		780	770
Goodwill			3,596		3,596	3,587
Other intangible assets			1,168		1,168	1,143
Deferred income taxes			35		35	13
Other assets			3		3	1
Assets of discontinued operations - non-current			5,692		5,692	5,622
Total assets of discontinued operations			6,378		6,378	6,348
Short-term borrowings and finance lease obligations			0		0	2
Accounts payable			157		157	214
Accrued and other current liabilities			38		38	36
Liabilities of discontinued operations - current			195		195	252
Deferred Income tax liabilities			499		499	432
Pension and other post employment benefits - noncurrent			6		6	6
Other noncurrent obligations			2		2	2
Liabilities of discontinued operations - non-current			507		507	444
Total liabilities of discontinued operations			702		702	696
Long-term Debt [Member] | ECP Disposal [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Long-Term Debt			$ 0		$ 0	$ 4

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

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