v3.25.1

Related-Party Transactions - Narrative (Details) $ in Millions	3 Months Ended	7 Months Ended
	Mar. 30, 2025 USD ($)	Mar. 30, 2025 USD ($)
Related Party Transactions [Abstract]
Additional infrastructure investment obligations	$ 1,200	$ 1,200
Additional infrastructure investment, obligations contributed	$ 125	$ 400

X

- Definition

Equity Method Investments, Additional Infrastructure Investment, Obligations

+ References

No definition available.

+ Details

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Namespace Prefix:	nxpi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Equity Method Investments, Additional Infrastructure Investment, Obligations Contributed

+ References

No definition available.

+ Details

Name:	nxpi_EquityMethodInvestmentsAdditionalInfrastructureInvestmentObligationsContributed
Namespace Prefix:	nxpi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration