Common Control Transfer DAS Common Control Transfer - Balance Sheet (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jun. 01, 2019	Dec. 31, 2018		Sep. 30, 2018	Sep. 01, 2017
Business Acquisition [Line Items]
Cash and cash equivalents	$ 1,980		$ 2,270		$ 1,657
Accounts and notes receivable - net	6,574		5,260		6,547
Inventories	4,403		5,310		4,898
Other current assets	1,043		1,038		1,041
Property, plant and equipment - net	4,503		4,544	[1]	4,384
Goodwill	10,168	$ 10,179	10,193		10,203
Other intangible assets	11,667		12,055		12,138
Other assets	2,440		1,932	[1]	1,888
Accounts payable	3,014		3,798		3,642
Accrued and other current liabilities	2,249		4,005	[1]	2,117
Deferred income tax liabilities	1,328		1,480		1,594
Pension and other post employment benefits - noncurrent	5,405		5,677		5,267
Other noncurrent obligations	$ 2,132		$ 1,795	[1]	$ 1,799
DAS Common Control Transfer [Member]
Business Acquisition [Line Items]
Cash and cash equivalents						$ 98
Accounts and notes receivable - net						1,377
Inventories						2,133
Other current assets						130
Investments in nonconsolidated affiliates						50
Property, plant and equipment - net						1,555
Goodwill						1,472
Other intangible assets						130
Deferred income taxes						230
Other assets						97
Short-term borrowings and finance lease obligations						6
Accounts payable						1,414
Income taxes payable						103
Accrued and other current liabilities						482
Long-term Debt						27
Deferred income tax liabilities						66
Pension and other post employment benefits - noncurrent						126
Other noncurrent obligations						$ 170

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