| Component: (Network and Table) | |
|---|---|
| Network | 2416408 - Disclosure - Income Taxes - Unrecognized Tax Benefits (Details) (http://www.akamai.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001086222 (http://www.sec.gov/CIK) |
| Income Tax Disclosure [Abstract] | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31 | 2015-01-01 - 2015-12-31 | 2014-01-01 - 2014-12-31 | |
Income Tax Disclosure [Abstract] | |||
Balance at beginning of year | |||
Gross increases — tax positions of prior periods | |||
Gross increases — current-period tax positions | |||
Gross decreases — tax positions of prior periods | ( | ( | ( |
Gross decreases — settlements | ( | ( | |
Balance at end of year | 65,290,000 | 33,320,000 | |