Consolidated Balance Sheets Parenthetical (Parentheticals) (USD $) In Millions, except Share data, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current Assets [Abstract]
Allowance for Uncollectible Accounts	$ 24	$ 23
Allowance for Obsolescence	124	118
Property, Plant and Equipment [Abstract]
Accumulated Depreciation and Amortization	8,548	7,792
Other Assets [Abstract]
Accumulated Amortization	$ 771	$ 738
Stockholders' Equity
Common Stock, Par or Stated Value Per Share	$ 0.0001	$ 0.0001
Common Stock, Shares Authorized	1,500,000,000	1,500,000,000
Common Stock, Shares, Issued	862,693,843	869,484,981
Treasury Stock, Shares	19,687,877	18,041,848