Condensed Consolidated Balance Sheets Condensed Consolidated Balance Sheets Parentheticals (USD $)	Mar. 31, 2012	Dec. 31, 2011
Common Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Common Stock, Shares Authorized	800,000,000	800,000,000
Common Stock, Shares, Issued	307,600,000	305,300,000
Preferred Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Treasury Stock, Shares	17,700,000	17,000,000