Goodwill and Intangible Assets (Goodwill balance by business segment) (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Goodwill Information  
Goodwill acquired during the period which is deductible for tax purposes $ 0
Goodwill  
Balance at the beginning of the period 7,050,000,000
Acquisition activity 96,000,000
Translation and other (212,000,000)
Balance at the end of the period 6,934,000,000
Industrial  
Goodwill  
Balance at the beginning of the period 2,037,000,000
Acquisition activity 1,000,000
Translation and other (66,000,000)
Balance at the end of the period 1,972,000,000
Safety and Graphics  
Goodwill  
Balance at the beginning of the period 1,650,000,000
Acquisition activity 0
Translation and other (46,000,000)
Balance at the end of the period 1,604,000,000
Electronics and Energy  
Goodwill  
Balance at the beginning of the period 1,559,000,000
Acquisition activity 0
Translation and other (35,000,000)
Balance at the end of the period 1,524,000,000
Health Care  
Goodwill  
Balance at the beginning of the period 1,589,000,000
Acquisition activity 95,000,000
Translation and other (58,000,000)
Balance at the end of the period 1,626,000,000
Consumer  
Goodwill  
Balance at the beginning of the period 215,000,000
Acquisition activity 0
Translation and other (7,000,000)
Balance at the end of the period $ 208,000,000