Significant Accounting Policies - Exchange Rates for U.S. Dollars into Euros Applicable for Translation of NXP's Financial Statements (Detail) - € / $	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financial Statement Details [Line Items]
Exchange rates for U.S. dollars into euros	1.1073	1.0670	1.1325
average
Financial Statement Details [Line Items]
Exchange rates for U.S. dollars into euros	1.0829	1.0559	1.1818
high
Financial Statement Details [Line Items]
Exchange rates for U.S. dollars into euros	1.0540	0.9694	1.1325
low
Financial Statement Details [Line Items]
Exchange rates for U.S. dollars into euros	1.1073	1.1325	1.2280