v3.20.4
Cover - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2020
Feb. 19, 2021
Jun. 26, 2020
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Document Transition Report false    
Entity File Number 001-34841    
Entity Registrant Name NXP Semiconductors N.V.    
Entity Incorporation, State or Country Code P7    
Entity Tax Identification Number 98-1144352    
Entity Address, Address Line One 60 High Tech Campus    
Entity Address, City or Town Eindhoven    
Entity Address, Country NL    
Entity Address, Postal Zip Code 5656 AG    
Country Region +31    
City Area Code 40    
Local Phone Number 2729999    
Title of 12(b) Security Common shares, EUR 0.20 par value    
Trading Symbol NXPI    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 30.2
Entity Common Stock, Shares Outstanding   277,008,199  
Documents Incorporated by Reference Portions of the Registrant’s definitive proxy statement relating to its 2021 Annual General Meeting of shareholders (the “2021 Proxy Statement”) are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. The 2021 Proxy Statement will be filed with the U.S. Securities and Exchange Commission within 120 days after the end of the fiscal year to which this report relates.    
Amendment Flag false    
Entity Central Index Key 0001413447    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
ICFR Auditor Attestation Flag true