Annual report pursuant to Section 13 and 15(d)

Acquisitions (Detail)

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Acquisitions (Detail) (USD $)
 3 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 12 Months Ended
Sep. 26, 2009
Series of Individually Immaterial Business Acquisitions [Member]
Dec. 31, 2011
Series of Individually Immaterial Business Acquisitions [Member]
Dec. 25, 2010
Series of Individually Immaterial Business Acquisitions [Member]
Jan. 31, 2011
Infineon's Wireless Solutions Business [Member]
Feb. 28, 2011
McAfee, Inc. [Member]
Dec. 25, 2010
McAfee, Inc. [Member]
Dec. 31, 2011
McAfee, Inc. and Series of Individually Immaterial Business Acquisitions [Member]
Dec. 25, 2010
McAfee, Inc. and Series of Individually Immaterial Business Acquisitions [Member]
Feb. 28, 2011
Acquisition-Related Trade Names [Member]
McAfee, Inc. [Member]
Dec. 31, 2011
In-Process Research And Development [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Feb. 28, 2011
In-Process Research And Development [Member]
McAfee, Inc. [Member]
Dec. 31, 2011
Acquisition-Related Developed Technology [Member]
Years
Dec. 25, 2010
Acquisition-Related Developed Technology [Member]
Years
Sep. 26, 2009
Acquisition-Related Developed Technology [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Dec. 31, 2011
Acquisition-Related Developed Technology [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Years
Feb. 28, 2011
Acquisition-Related Developed Technology [Member]
McAfee, Inc. [Member]
Years
Dec. 31, 2011
Acquisition-Related Customer Relationships [Member]
Years
Dec. 25, 2010
Acquisition-Related Customer Relationships [Member]
Years
Dec. 31, 2011
Acquisition-Related Customer Relationships [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Years
Feb. 28, 2011
Acquisition-Related Customer Relationships [Member]
McAfee, Inc. [Member]
Years
Sep. 26, 2009
Other Intangible Assets [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Dec. 31, 2011
Other Intangible Assets [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Years
Dec. 31, 2011
Total Finite Lived Intangible Assets [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Feb. 28, 2011
Total Finite Lived Intangible Assets [Member]
McAfee, Inc. [Member]
Acquisitions [Abstract]                                                
Date of business acquisition         Feb. 28, 2011                                      
Cash Acquired From Acquisition $ 59,000,000       $ 943,000,000                                      
Cash       1,400,000,000 6,652,000,000                                      
Share-based awards assumed         48,000,000                                      
Total Consideration         6,700,000,000                                      
Marketable debt securities         329,000,000                                      
Goodwill         4,299,000,000                                      
Identified intangible assets         3,552,000,000       821,000,000   92,000,000         1,221,000,000       1,418,000,000       2,639,000,000
Deferred tax assets         738,000,000                                      
Other assets         417,000,000                                      
Deferred income         (1,049,000,000)                                      
Deferred tax liabilities         (1,191,000,000)                                      
Other liabilities         (395,000,000)                                      
Total fair value of the assets acquired and liabilities assumed         6,700,000,000                                      
Estimated useful life (in years)                         4     4   7            
Estimated useful life, Minimum (in years)                       3     3   2   5 2   2    
Estimated useful life, Maximum (in years)                       9     9   8   8 7   7    
Total Consideration 885,000,000 2,100,000,000 218,000,000                                          
Fair value of net tangible assets acquired 47,000,000 206,000,000                                            
Goodwill 489,000,000 517,000,000                                            
Identified intangible assets   1,409,000,000               119,000,000     37,000,000 148,000,000 1,102,000,000     58,000,000 144,000,000   169,000,000 44,000,000 1,290,000,000  
Total fair value of the assets acquired and liabilities assumed 885,000,000 2,132,000,000                                            
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual             3,600,000,000                                  
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual             (275,000,000)                                  
Nonrecurring adjustment included in pro forma results which reduces net income due to revaluation of acquiree's historic deferred revenue           307,000,000                                    
Net revenue             54,738,000,000 47,350,000,000                                
Net income             13,028,000,000 11,190,000,000                                
Diluted earnings per share             $ 2.41 $ 1.96                                
Share-based awards assumed $ 32,000,000