v3.20.4

Significant Accounting Policies - Exchange Rates for U.S. Dollars into Euros Applicable for Translation of NXP's Financial Statements (Detail) - € / $ | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Financial Statement Details [Line Items] |  |  |
Exchange rates for U.S. dollars into euros | 1.2280 | 1.1217 | 1.1451
average |  |  |
Financial Statement Details [Line Items] |  |  |
Exchange rates for U.S. dollars into euros | 1.1412 | 1.1210 | 1.1794
high |  |  |
Financial Statement Details [Line Items] |  |  |
Exchange rates for U.S. dollars into euros | 1.0862 | 1.0935 | 1.1352
low |  |  |
Financial Statement Details [Line Items] |  |  |
Exchange rates for U.S. dollars into euros | 1.2280 | 1.1476 | 1.2431

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