Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
Other Comprehensive Income (Loss), Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Change in unrealized holding gain (loss) on available-for-sale investments, Before Tax $ (999) $ 1,029 $ 1,963
Change in unrealized holding gain (loss) on available-for-sale investments, Tax 350 (359) (687)
Change in unrealized holding gain (loss) on available-for-sale investments, Net of Tax (649) 670 1,276
Less: adjustment for (gain) loss on available-for-sale investments included in net income, Before Tax (93) (142) (146)
Less: adjustment for (gain) loss on available-for-sale investments included in net income, Tax 32 49 51
Less: adjustment for (gain) loss on available-for-sale investments included in net income, Net of Tax (61) (93) (95)
Less: adjustment for (gain) loss on deferred tax asset valuation allowance included in net income, Tax (18) (41) (26)
Less: adjustment for (gain) loss on deferred tax asset valuation allowance included in net income, Net of Tax (18) (41) (26)
Change in unrealized holding gain (loss) on derivatives, Before Tax (298) (589) (166)
Change in unrealized holding gain (loss) on derivatives, Tax 93 160 76
Change in unrealized holding gain (loss) on derivatives, Net of Tax (205) (429) (90)
Less: adjustment for (gain) loss on derivatives included in net income, Before Tax 522 13 30
Less: adjustment for (gain) loss on derivatives included in net income, Tax (160) (11) (29)
Less: adjustment for (gain) loss on derivatives included in net income, Net of Tax 362 2 1
Change in prior service costs, Before Tax (2) (42) 17
Change in prior service costs, Tax 1 5 (2)
Change in prior service costs, Net of Tax (1) (37) 15
Less: adjustment for amortization of prior service costs, Before Tax 10 6 4
Less: adjustment for amortization of prior service costs, Tax (2) (2) (1)
Less: adjustment for amortization of prior service costs, Net of Tax 8 4 3
Change in actuarial valuation, Before Tax 73 (433) 725
Change in actuarial valuation, Tax 7 3 (275)
Change in actuarial valuation, Net of Tax 80 (430) 450
Less: adjustment for amortization of actuarial (gain) loss, Before Tax 67 37 101
Less: adjustment for amortization of actuarial (gain) loss, Tax (19) (9) (31)
Less: adjustment for amortization of actuarial (gain) loss, Net of Tax 48 28 70
Change in net foreign currency translation adjustment, Before Tax (187) (275) 45
Change in net foreign currency translation adjustment, Tax 17 24 (7)
Change in net foreign currency translation adjustment, Net of Tax (170) (251) 38
Total other comprehensive income (loss), Before Tax (907) (396) 2,573
Total other comprehensive income (loss), Tax 301 (181) (931)
Other comprehensive income (loss) (606) (577) 1,642
Other Comprehensive Income (Loss), Pension And Other Postretirement Benefit Plans, Increase In Actuarial Loss Arising During Period, Before Tax   (1,400)  
Other Comprehensive Income (Loss), Pension And Other Postretirement Benefit Plans, Decrease In Actuarial Loss Arising During Period, Before Tax   1,000  
Accumulated Other Comprehensive Income (Loss), Net of Tax 60 666 1,243
Other Comprehensive Income (Loss), before Reclassifications, before Tax (1,413) (310)  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax 506 (86)  
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit) 7    
Defined Benefit Plan, Amortization of Net Gains (Losses) 42    
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months (185)    
Unrealized holding gains (losses) on available-for-sale investments [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Total other comprehensive income (loss), Tax 382 (310)  
Other comprehensive income (loss) (710) 577  
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment Including Other Than Temporary Impairments, Net of Tax 1,749 2,459 1,882
Other Comprehensive Income (Loss), before Reclassifications, before Tax (999) 1,029  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax (93) (142)  
Deferred Tax Asset Valuation Allowance [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Total other comprehensive income (loss), Tax (18) (41)  
Other comprehensive income (loss) (18) (41)  
Accumulated Other Comprehensive Income Loss Net Change In Deferred Tax Asset Valuation Allowance 8 26 67
Other Comprehensive Income (Loss), before Reclassifications, before Tax 0 0  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax 0 0  
Unrealized holding gains (losses) on derivatives [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Total other comprehensive income (loss), Tax (67) 149  
Other comprehensive income (loss) 157 (427)  
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax (266) (423) 4
Other Comprehensive Income (Loss), before Reclassifications, before Tax (298) (589)  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax 522 13  
Prior service credits (costs) [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Less: adjustment for amortization of prior service costs, Before Tax (10) (6) (4)
Total other comprehensive income (loss), Tax (1) 3  
Other comprehensive income (loss) 7 (33)  
Accumulated Other Comprehensive Income Loss Net Prior Service Cost Net Of Tax (40) (47) (14)
Other Comprehensive Income (Loss), before Reclassifications, before Tax (2) (42)  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax 10 6  
Actuarial gains (losses) [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Less: adjustment for amortization of actuarial (gain) loss, Before Tax (67) (37) (101)
Total other comprehensive income (loss), Tax (12) (6)  
Other comprehensive income (loss) 128 (402)  
Accumulated Other Comprehensive Income Loss Net Actuarial Gains Loss Net Of Tax (876) (1,004) (602)
Other Comprehensive Income (Loss), before Reclassifications, before Tax 73 (433)  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax 67 37  
Foreign Currency translation adjustment [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Total other comprehensive income (loss), Tax 17 24  
Other comprehensive income (loss) (170) (251)  
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax (515) (345) $ (94)
Other Comprehensive Income (Loss), before Reclassifications, before Tax (187) (275)  
Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss), before Tax $ 0 $ 0