Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Trade (allowance for doubtful receivables)	$ 125	$ 110
Other investments (investments carried at fair value)	1,408	1,959
Finite other intangible assets, accumulated amortization	$ 4,901	$ 4,295
Common Stock, Shares Authorized	100	1,500,000,000
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 2.50
Common Stock, Shares, Issued	100	1,242,794,836
Treasury Stock, Shares	0	31,661,501
Cash and cash equivalents | Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity, Consolidated, Assets, Current, Pledged	$ 115	$ 75
Property, Plant and Equipment [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Net property (variable interest entities restricted)	925	961
Long-term debt | Variable Interest Entity, Primary Beneficiary [Member]
Long Term Debt (variable interest entities nonrecourse)	$ 310	$ 330