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Network
2412402 - Disclosure - Income Taxes - Narrative (Details)
(http://www.sigmaaldrich.com/role/IncomeTaxesNarrativeDetails)
TableIncome Taxes [Table]
Slicers (applies to each fact value in each table cell)
Income Taxes [Line Items]Period [Axis]
2013-01-01 - 2013-12-31
2012-01-01 - 2012-12-31
2011-01-01 - 2011-12-31
Range [Axis]Range [Axis]Range [Axis]
Maximum [Member]Minimum [Member]Range [Domain]Range [Domain]Range [Domain]
Effective tax rate
 
 
.253  
.298  
.286  
Undistributed earnings of the Company's international subsidiaries
 
 
1,417,000,000  
 
 
Operating loss carryforward, subject to expiration
 
 
9,000,000  
 
 
Range of years, deferred tax expense
2033 
2014 
 
 
 
Operating loss carryforwards, valuation allowance
 
 
4,000,000  
 
 
Net unrecognized tax benefits that if recognized would affect the annual effective tax rate
 
 
24,000,000  
20,000,000  
21,000,000  
Decrease due to audit activity and statute of limitation expirations
 
 
2,000,000  
 
 
Unrecognized tax benefits and expense
 
 
 
1,000,000  
2,000,000  
Interest, net of tax and penalties accrued
 
 
3,000,000  
3,000,000