Acquisitions and Divestments - Schedule of Total Purchase Price (Detail) - Freescale Semiconductor, Ltd. [Member] $ in Millions	Dec. 07, 2015 USD ($)
Business Acquisition [Line Items]
Cash payment of $6.25 per Freescale common share	$ 1,948
Total purchase price	11,639
Common Stock [Member]
Business Acquisition [Line Items]
Total value of NXP shares delivered	9,449
Restricted Share Units and Performance Based Restricted Share Units [Member]
Business Acquisition [Line Items]
Total value of NXP shares delivered	157
Stock Options [Member]
Business Acquisition [Line Items]
Total value of NXP shares delivered	$ 85

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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