v2.3.0.11
Condensed Consolidated Balance Sheet (Parenthetical) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Condensed Consolidated Balance Sheet    
Common stock, without par value    
Common stock, shares authorized 9,000,000,000 9,000,000,000
Common stock, shares issued 8,019,000,000 8,019,000,000
Common stock held in treasury, shares 3,157,000,000 3,040,000,000
Common stock, shares, outstanding 4,862,114,833 4,978,538,898