Consolidated Condensed Balance Sheets (Parentheticals) (USD $) In Millions, except Per Share data, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 77	$ 73
Accumulated depreciation	6,425	6,278
Other Intangibles, Accumulated Amortization	$ 249	$ 237
Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract]
Common Stock, Par or Stated Value Per Share	$ 1	$ 1
Common Stock, Shares Authorized	250	250
Common Stock, Shares, Issued	110	109
Common Stock, Shares, Outstanding	78	77
Treasury Stock, Shares	32	32