Quarterly report pursuant to Section 13 or 15(d)

Restructuring and Asset Impairment Charges (Detail)

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Restructuring and Asset Impairment Charges (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 27, 2014
Employee
Sep. 28, 2013
Jun. 28, 2014
Employee
Sep. 27, 2014
Employee
Sep. 28, 2013
Restructuring Cost and Reserve [Line Items]          
Restructuring and Related Cost, Incurred Cost $ 20 $ 124   $ 238 $ 124
Restructuring and Related Cost, Number of Positions Eliminated     3,500 2,800  
Restructuring and Related Cost, Cost Incurred to Date 478     478  
Restructuring and Related Cost, Number of Impacted Employees, Inception to Date 6,700     6,700  
Restructuring Reserve [Roll Forward]          
Accrued restructuring, Beginning Balance     183 183  
Accrued restructuring, Additional accruals       222  
Accrued restructuring, Adjustments       16  
Accrued restructuring, Cash payments       (286)  
Accrued restructuring, Non-cash settlements       (9)  
Accrued restructuring, Ending Balance 126     126  
Employee severance and benefit arrangements [Member]
         
Restructuring Cost and Reserve [Line Items]          
Restructuring and Related Cost, Incurred Cost 9 85   218 85
Restructuring and Related Cost, Cost Incurred to Date 419     419  
Restructuring Reserve [Roll Forward]          
Accrued restructuring, Beginning Balance     183 183  
Accrued restructuring, Additional accruals       203  
Accrued restructuring, Adjustments       15  
Accrued restructuring, Cash payments       (283)  
Accrued restructuring, Non-cash settlements       0  
Accrued restructuring, Ending Balance 118     118  
Asset Impairments and other restructuring charges [Member]
         
Restructuring Cost and Reserve [Line Items]          
Restructuring and Related Cost, Incurred Cost 11 39   20 39
Restructuring and Related Cost, Cost Incurred to Date 59     59  
Restructuring Reserve [Roll Forward]          
Accrued restructuring, Beginning Balance     0 0  
Accrued restructuring, Additional accruals       19  
Accrued restructuring, Adjustments       1  
Accrued restructuring, Cash payments       (3)  
Accrued restructuring, Non-cash settlements       (9)  
Accrued restructuring, Ending Balance $ 8     $ 8