Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Other Comprehensive Income (Loss), Reclassification out of Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Gains (losses) on equity investments, net $ (75) $ 846 $ 365 $ 1,440
Income before taxes 7,142 5,930 17,682 14,317
Cost of sales (6,803) (6,085) (19,681) (17,388)
Research and development (3,428) (3,209) (10,110) (9,782)
Marketing, general and administrative (1,605) (1,661) (5,230) (5,610)
Interest and other, net (132) (3) 254 406
Amounts reclassified out of accumulated other comprehensive income (loss) (34) 942 (1) 1,437
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months     (143)  
Unrealized holding gains (losses) on available-for-sale investments [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Amounts reclassified out of accumulated other comprehensive income (loss)     0  
Unrealized holding gains (losses) on available-for-sale investments [Member] | Reclassified out of Accumulated Other Comprehensive Income (Loss) [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Gains (losses) on equity investments, net 0 916 0 1,962
Income before taxes 0 916 0 1,962
Unrealized holding gains (losses) on derivatives [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Amounts reclassified out of accumulated other comprehensive income (loss)     55  
Unrealized holding gains (losses) on derivatives [Member] | Reclassified out of Accumulated Other Comprehensive Income (Loss) [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Income before taxes (32) 44 55 28
Unrealized holding gains (losses) on derivatives [Member] | Reclassified out of Accumulated Other Comprehensive Income (Loss) [Member] | Foreign currency contracts        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Gains (losses) on equity investments, net 0 12 0 28
Cost of sales (14) (13) 5 (60)
Research and development (11) 24 60 10
Marketing, general and administrative (1) 4 31 (2)
Interest and other, net (6) 17 (41) 52
Actuarial gains (losses) [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Amounts reclassified out of accumulated other comprehensive income (loss) 0 (18) (48) (46)
Amortization of pension and postretirement benefit components [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Amounts reclassified out of accumulated other comprehensive income (loss) 0 (18) (48) (46)
Foreign currency translation adjustment [Member] | Reclassified out of Accumulated Other Comprehensive Income (Loss) [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Interest and other, net $ (2) $ (507) $ (8) $ 0