v3.6.0.2

Subsequent Events - Additional Information (Detail) - USD ($)	Feb. 07, 2017	Dec. 31, 2016	Aug. 01, 2016	Dec. 31, 2015
Subsequent Event [Line Items]
Principal amount of debt		$ 9,361,000,000		$ 9,343,000,000
2021 Additional Senior Unsecured Notes [Member]
Subsequent Event [Line Items]
Principal amount of debt			$ 500,000,000
Fixed rate on notes			4.125%
Subsequent Event [Member] | Term Loan E [Member]
Subsequent Event [Line Items]
Principal amount of debt	$ 388,000,000
Debt instrument maturity period	2017-03
Subsequent Event [Member] | Term Loan D [Member]
Subsequent Event [Line Items]
Principal amount of debt	$ 387,000,000
Debt instrument maturity period	2020-01
Subsequent Event [Member] | Term Loan F [Member]
Subsequent Event [Line Items]
Principal amount of debt	$ 1,436,000,000
Debt instrument maturity period	2020-12
Subsequent Event [Member] | 2021 Additional Senior Unsecured Notes [Member]
Subsequent Event [Line Items]
Principal amount of debt	$ 500,000,000
Fixed rate on notes	5.75%

X

- Definition

Debt instrument maturity month and year.

+ References

No definition available.

+ Details

Name:	nxpi_DebtInstrumentMaturityMonthAndYear
Namespace Prefix:	nxpi_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LongTermDebtPercentageBearingFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_DebtInstrumentAxis=nxpi_TwoThousandTwentyOneAdditionalSeniorUnsecuredNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=nxpi_TermLoanEMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=nxpi_TermLoanDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=nxpi_TermLoanFMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: