v2.4.0.6

Restructuring Charges - Restructuring Charges Less Releases Recorded in Liabilities Per Line Item in Statement of Operations (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Restructuring Cost and Reserve [Line Items] |  |  |
Net restructuring charges | $ 99 | $ 58 | $ (33)
Cost of revenue [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Net restructuring charges | 18 | 24 | (14)
Selling, general and administrative [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Net restructuring charges | 59 | 15 | (10)
Research and development [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Net restructuring charges | $ 22 | $ 19 | $ (9)

X
- Definition Restructuring charges less restructuring reserve accrual adjustment. + References No definition available. + Details
Name: | nxpi_RestructuringChargesLessRestructuringReserveAccrualAdjustment
Namespace Prefix: | nxpi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration