Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Other Comprehensive Income (Loss), Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jul. 02, 2016
Jun. 27, 2015
Jul. 02, 2016
Jun. 27, 2015
Dec. 26, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Accumulated Other Comprehensive Income (Loss), Total $ (80)   $ (80)   $ 60
Other comprehensive income (loss) before reclassifications     177    
Amounts reclassified out of accumulated other comprehensive income (loss)     (423)    
Tax effects     106    
Other comprehensive income (loss) (640) $ 577 (140) $ (21)  
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 1,694   1,694   1,749
Other comprehensive income (loss) before reclassifications     402    
Amounts reclassified out of accumulated other comprehensive income (loss)     (488)    
Tax effects     31    
Other comprehensive income (loss)     (55)    
Deferred tax asset valuation allowance [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Accumulated Other Comprehensive Income (Loss), Deferred Tax Asset Valuation Allowance 5   5   8
Other comprehensive income (loss) before reclassifications     0    
Amounts reclassified out of accumulated other comprehensive income (loss)     0    
Tax effects     (3)    
Other comprehensive income (loss)     (3)    
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 (53)   (53)   (266)
Other comprehensive income (loss) before reclassifications     282    
Amounts reclassified out of accumulated other comprehensive income (loss)     35    
Tax effects     (104)    
Other comprehensive income (loss)     213    
Prior service credits (costs) [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Accumulated Other Comprehensive Income (Loss), Prior Service Credits (Costs) (37)   (37)   (40)
Other comprehensive income (loss) before reclassifications     0    
Amounts reclassified out of accumulated other comprehensive income (loss)     4    
Tax effects     (1)    
Other comprehensive income (loss)     3    
Actuarial gains (losses) [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Accumulated Other Comprehensive Income (Loss), Actuarial Gains (Losses) (1,175)   (1,175)   (876)
Other comprehensive income (loss) before reclassifications     (508)    
Amounts reclassified out of accumulated other comprehensive income (loss)     26    
Tax effects     183    
Other comprehensive income (loss)     (299)    
Foreign currency translation adjustment [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment $ (514)   (514)   $ (515)
Other comprehensive income (loss) before reclassifications     1    
Amounts reclassified out of accumulated other comprehensive income (loss)     0    
Tax effects     0    
Other comprehensive income (loss)     $ 1