Quarterly report pursuant to Section 13 or 15(d)

Other Comprehensive Income (Loss), Accumulated Other Comprehensive Income (Loss) (Detail)

v3.4.0.3
Other Comprehensive Income (Loss), Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
3 Months Ended
Apr. 02, 2016
Mar. 28, 2015
Dec. 26, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Total $ 560   $ 60
Other comprehensive income (loss) before reclassifications 783    
Amounts reclassified out of accumulated other comprehensive income (loss) (49)    
Tax effects (234)    
Other comprehensive income (loss) 500 $ (598)  
Unrealized holding gains (losses) on available-for-sale investments [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Unrealized Holding Gains (Losses) On Available-for-Sale Investments 2,040   1,749
Other comprehensive income (loss) before reclassifications 532    
Amounts reclassified out of accumulated other comprehensive income (loss) (85)    
Tax effects (156)    
Other comprehensive income (loss) 291    
Deferred tax asset valuation allowance [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Deferred Tax Asset Valuation Allowance 7   8
Other comprehensive income (loss) before reclassifications 0    
Amounts reclassified out of accumulated other comprehensive income (loss) 0    
Tax effects (1)    
Other comprehensive income (loss) (1)    
Unrealized holding gains (losses) on derivatives [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Unrealized Holding Gains (Losses) On Derivatives (79)   (266)
Other comprehensive income (loss) before reclassifications 243    
Amounts reclassified out of accumulated other comprehensive income (loss) 22    
Tax effects (78)    
Other comprehensive income (loss) 187    
Prior service credits (costs) [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Prior Service Credits (Costs) (38)   (40)
Other comprehensive income (loss) before reclassifications 0    
Amounts reclassified out of accumulated other comprehensive income (loss) 2    
Tax effects 0    
Other comprehensive income (loss) 2    
Actuarial gains (losses) [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Actuarial Gains (Losses) (857)   (876)
Other comprehensive income (loss) before reclassifications 6    
Amounts reclassified out of accumulated other comprehensive income (loss) 12    
Tax effects 1    
Other comprehensive income (loss) 19    
Foreign currency translation adjustment [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment (513)   $ (515)
Other comprehensive income (loss) before reclassifications 2    
Amounts reclassified out of accumulated other comprehensive income (loss) 0    
Tax effects 0    
Other comprehensive income (loss) $ 2