Significant Accounting Policies - Exchange Rates for U.S. Dollars into Euros Applicable for Translation of NXP's Financial Statements (Detail) - € / $ |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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|---|---|---|---|---|---|
| Period End [Member] | |||||
| Financial Statement Details [Line Items] | |||||
| Exchange rates for U.S. dollars into euros | 1.0474 | 1.0915 | 1.2155 | ||
| Average [Member] | |||||
| Financial Statement Details [Line Items] | |||||
| Exchange rates for U.S. dollars into euros | [1] | 1.1065 | 1.1150 | 1.3262 | |
| Maximum [Member] | |||||
| Financial Statement Details [Line Items] | |||||
| Exchange rates for U.S. dollars into euros | 1.0474 | 1.0869 | 1.2155 | ||
| Minimum [Member] | |||||
| Financial Statement Details [Line Items] | |||||
| Exchange rates for U.S. dollars into euros | 1.1423 | 1.2155 | 1.3857 | ||
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