Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Other Comprehensive Income (Loss), Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 01, 2017
Jul. 02, 2016
Jul. 01, 2017
Jul. 02, 2016
Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Other comprehensive income (loss) before reclassifications1     $ 1,722    
Amounts reclassified out of accumulated other comprehensive income $ (255) $ (374) (495) $ (423)  
Tax effects     (159)    
Other comprehensive income (loss) 311 (640) 1,068 (140)  
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 2,173   2,173   $ 2,164
Other comprehensive income (loss) before reclassifications1     1,059    
Amounts reclassified out of accumulated other comprehensive income     (1,046)    
Tax effects     (4)    
Other comprehensive income (loss)     9    
Unrealized holding gains (losses) on derivatives [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 72   72   (259)
Other comprehensive income (loss) before reclassifications1     445    
Amounts reclassified out of accumulated other comprehensive income     16    
Tax effects     (130)    
Other comprehensive income (loss)     331    
Prior service credits (costs) [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (50)   (50)   (40)
Other comprehensive income (loss) before reclassifications1     0    
Amounts reclassified out of accumulated other comprehensive income (14) 2 (12) 4  
Tax effects     2    
Other comprehensive income (loss)     (10)    
Actuarial gains (losses) [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (1,010)   (1,010)   (1,240)
Other comprehensive income (loss) before reclassifications1     217    
Amounts reclassified out of accumulated other comprehensive income 18 $ 14 40 $ 26  
Tax effects     (27)    
Other comprehensive income (loss)     230    
Foreign currency translation adjustment [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (11)   (11)   (519)
Other comprehensive income (loss) before reclassifications1     1    
Amounts reclassified out of accumulated other comprehensive income     507    
Tax effects     0    
Other comprehensive income (loss)     508    
AOCI Including Portion Attributable to Noncontrolling Interest [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest $ 1,174   $ 1,174   $ 106