Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Tax loss carryforwards and credits	$ 1,503	$ 1,415
Capitalized research and development expenditures	666	655
Accrued expenses deductible as paid	456	501
Postretirement benefits and pensions	294	288
Investment and receivables related to Venezuelan deconsolidation	134	157
Alternative minimum tax credit carryforwards	43	78
Vacation and sick pay	37	37
Rationalizations and other provisions	36	22
Other	106	121
Total gross deferred tax assets	3,275	3,274
Valuation allowance	(326)	(621)
Total deferred tax assets	2,949	2,653
Property basis differences	(482)	(459)
Tax on undistributed earnings of subsidiaries	(138)	(144)
Total net deferred tax assets	$ 2,329	$ 2,050