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Component: (Network and Table)
Network
2420405 - Disclosure - Income Taxes Income Taxes (Schedule of Difference Between Effective and Statutory) (Details)
(http://www.akamai.com/role/IncomeTaxesIncomeTaxesScheduleOfDifferenceBetweenEffectiveAndStatutoryDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001086222 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2012-01-01 - 2012-12-31
2011-01-01 - 2011-12-31
2010-01-01 - 2010-12-31
Income Tax Disclosure [Abstract]
 
 
 
United States federal income tax rate
.350  
.350  
.350  
State taxes
.035  
.028  
.029  
Nondeductible stock-based compensation
.013  
.008  
.001  
United States federal and state research and development credits
(.006) 
(.024) 
(.026) 
Change in state tax rates
(.004) 
(.001) 
.005  
Foreign earnings
(.035) 
(.022) 
(.004) 
Expiration of capital loss carryforward
.000  
.021  
.000  
Disallowed officer compensation
.006  
.000  
.000  
Other
.007  
.009  
(.010) 
Change in the deferred tax asset valuation allowance
.000  
(.023) 
.002  
Effective Income Tax Rate, Continuing Operations
.366  
 
.346  
 
.347