Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Other Comprehensive Income (Loss), Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Other Comprehensive Income (Loss), before Reclassifications, before Tax $ 460 $ (1,413)  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax (322) 506 $ (86)
Tax effects (92) 301  
Other comprehensive income (loss) 46 (606) (577)
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit) 8    
Defined Benefit Plan, Amortization of Net Gains (Losses) 79    
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months (198)    
Unrealized holding gains (losses) on available-for-sale investments [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 2,164 1,749 2,459
Other Comprehensive Income (Loss), before Reclassifications, before Tax 1,170 (999)  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax (530) (93)  
Tax effects (225) 382  
Other comprehensive income (loss) 415 (710)  
Valuation Allowance of Deferred Tax Assets [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 0 8 26
Other Comprehensive Income (Loss), before Reclassifications, before Tax 0 0  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax 0 0  
Tax effects (8) (18)  
Other comprehensive income (loss) (8) (18)  
Unrealized holding gains (losses) on derivatives [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (259) (266) (423)
Other Comprehensive Income (Loss), before Reclassifications, before Tax (26) (298)  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax 38 522  
Tax effects (5) (67)  
Other comprehensive income (loss) 7 157  
Prior services credits (costs) [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (40) (40) (47)
Other Comprehensive Income (Loss), before Reclassifications, before Tax 0 (2)  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax 0 10 6
Tax effects 0 (1)  
Other comprehensive income (loss) 0 7  
Actuarial gains (losses) [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (1,240) (876) (1,004)
Other Comprehensive Income (Loss), before Reclassifications, before Tax (680) 73  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax 170 67 37
Tax effects 146 (12)  
Other comprehensive income (loss) (364) 128  
Foreign Currency translation adjustment [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (519) (515) (345)
Other Comprehensive Income (Loss), before Reclassifications, before Tax (4) (187)  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax 0 0  
Tax effects 0 17  
Other comprehensive income (loss) (4) (170)  
AOCI Including Portion Attributable to Noncontrolling Interest [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest $ 106 $ 60 $ 666