Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Other Comprehensive Income (Loss), Accumulated Other Comprehensive Income (Loss) (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Dec. 28, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Accumulated Other Comprehensive Income (Loss) $ 946   $ 946   $ 1,243
Other comprehensive income before reclassifications     (172)    
Amounts reclassified out of accumulated other comprehensive income (loss)     (127)    
Tax effects     2    
Other comprehensive income (loss) (174) 903 (297) 1,447  
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 2,099   2,099   1,882
Other comprehensive income before reclassifications     469    
Amounts reclassified out of accumulated other comprehensive income (loss)     (139)    
Tax effects     (113)    
Other comprehensive income (loss)     217    
Deferred tax asset valuation allowance [Member]
          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Accumulated Other Comprehensive Income (Loss), Deferred Tax Asset Valuation Allowance 37   37   67
Other comprehensive income before reclassifications     0    
Amounts reclassified out of accumulated other comprehensive income (loss)     0    
Tax effects     (30)    
Other comprehensive income (loss)     (30)    
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 (169)   (169)   4
Other comprehensive income before reclassifications     (204)    
Amounts reclassified out of accumulated other comprehensive income (loss)     (21)    
Tax effects     52    
Other comprehensive income (loss)     (173)    
Prior service credits (costs) [Member]
          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Accumulated Other Comprehensive Income (Loss), Prior Service Credits (Costs) (55)   (55)   (14)
Other comprehensive income before reclassifications     (49)    
Amounts reclassified out of accumulated other comprehensive income (loss)     4    
Tax effects     4    
Other comprehensive income (loss)     (41)    
Actuarial gains (losses) [Member]
          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Accumulated Other Comprehensive Income (Loss), Actuarial Gains (Losses) (745)   (745)   (602)
Other comprehensive income before reclassifications     (248)    
Amounts reclassified out of accumulated other comprehensive income (loss)     29    
Tax effects     76    
Other comprehensive income (loss)     (143)    
Foreign currency translation adjustment [Member]
          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment (221)   (221)   (94)
Other comprehensive income before reclassifications     (140)    
Amounts reclassified out of accumulated other comprehensive income (loss)     0    
Tax effects     13    
Other comprehensive income (loss)     $ (127)