Consolidated Balance Sheets Balance Sheet (Parentheticals) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Preferred Stock, Par or Stated Value Per Share	$ 100	$ 100
Preferred Stock, Shares Authorized	5,000,000,000	5,000,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 200	$ 200
Common Stock, Shares Authorized	500,000,000,000	500,000,000,000
Common Stock, Shares, Issued	137,167,115,000	137,520,019,000
Common Stock, Shares, Outstanding	137,167,115,000	137,520,019,000
Treasury Stock, Shares	97,950,803,000	97,597,899,000