Annual report pursuant to Section 13 and 15(d)

Other Comprehensive Income (Loss), Reclassification out of Accumulated Other Comprehensive Income (Detail)

v3.6.0.2
Other Comprehensive Income (Loss), Reclassification out of Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Gains (losses) on equity investments, net $ 506 $ 315 $ 411
Interest and other, net (444) (105) 43
Income before taxes 12,936 14,212 15,801
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax 322 (506) 86
Cost of sales (23,196) (20,676) (20,261)
Research and development (12,740) (12,128) (11,537)
Marketing, general and administrative (8,397) (7,930) (8,136)
Unrealized holding gains (losses) on available-for-sale investments [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax 530 93  
Unrealized holding gains (losses) on available-for-sale investments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Gains (losses) on equity investments, net 530 91 132
Interest and other, net 0 2 10
Income before taxes 530 93 142
Unrealized holding gains (losses) on derivatives [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax (38) (522)  
Unrealized holding gains (losses) on derivatives [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Income before taxes (38) (522) (13)
Unrealized holding gains (losses) on derivatives [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Foreign currency contracts [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Gains (losses) on equity investments, net 10 0 0
Cost of sales (65) (290) (31)
Research and development 7 (177) 18
Marketing, general and administrative 5 (46) 2
Unrealized holding gains (losses) on derivatives [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Other instruments [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Gains (losses) on equity investments, net 1 0 0
Interest and other, net 4 (9) 0
Cost of sales 0 0 (2)
Prior services credits (costs) [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax 0 (10) (6)
Actuarial gains (losses) [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax (170) (67) (37)
Amortization of pension and postretirement benefit components [Member]      
Reclassification out of Accumulated Other Comprehensive Income [Line Items]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax $ (170) $ (77) $ (43)