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Supplemental Cash Flow Information (Detail)
In Millions, unless otherwise specified
12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2010
USD ($)
Dec. 31, 2009
USD ($)
years
number
Dec. 31, 2008
USD ($)
Dec. 31, 2010
JPY (¥)
Mar. 31, 2010
Sumitomo 3M Limited
USD ($)
Mar. 31, 2010
Sumitomo 3M Limited
JPY (¥)
Dec. 31, 2010
A-One
JPY (¥)
Dec. 31, 2009
United States Qualified and Non-qualified Pension Benefits
USD ($)
Supplemental Cash Flow Information                
Cash income tax payments $ 1,509 $ 834 $ 1,778          
Cash interest payments 201 236 196          
Capitalized interest 17 27 28          
Investing and financing activities with significant non-cash components                
Cash paid to purchase shares held by Sumitomo Electric Industries, Ltd.         63 5,800    
Note payable issued to Sumitomo Electric Industries         188 17,400    
Five-year financed liability of 1.7 billion in Japanese Yen 18     1,700     1,700  
Capital lease asset and obligation related to IT investment   50            
Amortization period of IT investment (in years)   7            
Contribution to U.S. defined benefit pension plan in common stock               $ 600