Annual report pursuant to Section 13 and 15(d)

Retirement Benefit Plans (Detail)

v3.8.0.1
Retirement Benefit Plans (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Defined Benefit Plan Disclosure [Line Items]        
Beginning projected benefit obligation   $ 3,842 $ 3,640 $ 3,130
Service cost   84 130  
Interest cost   117 106  
Actuarial (gain) loss   24 575  
Currency exchange rate changes   281 (80)  
Plan curtailments   162 (17)  
Plan settlements   (101) (202)  
Other changes in projected benefit obligation   (41) (36)  
Fair value of plan assets   2,287 1,696 $ 1,638
Actual return on plan assets   136 81  
Employer contributions   471 416  
Currency exchange rate changes   124 (26)  
Plan settlements   (101) (202)  
Benefits paid to plan participants   (42) (84)  
Other   3 (127)  
Amounts recognized in the consolidated balance sheet3   1,555 1,944  
Accumulated other comprehensive loss (income), before tax4   1,257 1,603  
Accumulated benefit obligation5   $ 3,423 $ 2,976  
Defined Benefit Plan, Funded Status Percentage [Abstract]        
Defined Benefit Plan, Funded Percentage   65.00%    
Defined Benefit Plan, Component Of Worldwide Pension And Postretirement Benefit Obligation (percent)   33.00%    
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]        
Discount rate   3.00% 3.20%  
Rate of compensation increase   3.30% 3.60%  
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]        
Discount rate   3.20% 3.30% 3.10%
Expected long-term rate of return on plan assets   4.60% 5.50% 5.90%
Rate of compensation increase   3.60% 3.80% 3.90%
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]        
Estimated Benefit Payments, 2018   $ 125    
Estimated Benefit Payments, 2019   117    
Estimated Benefit Payments, 2020   115    
Estimated Benefit Payments, 2021   121    
Estimated Benefit Payments, 2022   124    
Estimated Benefit Payments, 2023-2027   $ 673    
Net Actuarial (Gain) Loss Amortization Percent   10.00%    
Pension Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 957 $ 632  
Domestic Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Projected Benefit Obligations Percentage Split   38.00%    
Fair Value of Plan Assets Percentage Split   49.00% 46.00%  
AOCI Percentage Split   38.00% 34.00%  
Defined Contribution Plan, Employer Discretionary Contribution Amount   $ 346 $ 326 $ 337
Defined Benefit Plan, Funded Status Percentage [Abstract]        
Defined Benefit Plan, Funded Percentage   77.00%    
Domestic Plan [Member] | Pension Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost   $ 104 156 176
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]        
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)   243 415 $ 250
Domestic Plan [Member] | Postretirement Health Coverage [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Beginning projected benefit obligation   567 588  
Fair value of plan assets   $ 563 $ 409  
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]        
Discount rate   3.80% 4.20%  
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]        
Expected long-term rate of return on plan assets 5.90%      
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]        
Estimated Benefit Payments, 2018   $ 28    
Estimated Benefit Payments, 2019   29    
Estimated Benefit Payments, 2020   30    
Estimated Benefit Payments, 2021   31    
Estimated Benefit Payments, 2022   32    
Estimated Benefit Payments, 2023-2027   $ 179    
Foreign Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Projected Benefit Obligations Percentage Split   62.00% 62.00%  
Fair Value of Plan Assets Percentage Split   51.00% 54.00%  
AOCI Percentage Split   62.00% 66.00%  
Scenario, Forecast [Member] | Domestic Plan [Member]        
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]        
Expected long-term rate of return on plan assets 5.10%      
Scenario, Forecast [Member] | Foreign Plan [Member]        
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]        
Expected long-term rate of return on plan assets 4.20%      
Marketable equity securities        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 473 $ 328  
Defined Benefit Plan, Target Plan Asset Allocations (percent)   45.00%    
Marketable equity securities | Domestic Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Target Plan Asset Allocations (percent)   25.00%    
Financial institution instruments        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 465 304  
Defined Benefit Plan, Target Plan Asset Allocations (percent)   35.00%    
Financial institution instruments | Domestic Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Target Plan Asset Allocations (percent)   45.00%    
Other Investments [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 19    
Assets measured at net asset value [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   1,208 1,044  
Cash [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 122 20  
Hedge Funds [Member] | Domestic Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Target Plan Asset Allocations (percent)   30.00%    
Hedge Funds [Member] | Foreign Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Target Plan Asset Allocations (percent)   20.00%    
Level 1 [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 515    
Level 1 [Member] | Marketable equity securities        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   451    
Level 1 [Member] | Financial institution instruments        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   45    
Level 1 [Member] | Other Investments [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   19    
Level 2 [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   326    
Level 2 [Member] | Marketable equity securities        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0    
Level 2 [Member] | Financial institution instruments        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   326    
Level 2 [Member] | Other Investments [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0    
Level 3 [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   116    
Level 3 [Member] | Marketable equity securities        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   22    
Level 3 [Member] | Financial institution instruments        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   94    
Level 3 [Member] | Other Investments [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 0 $ 0  
Maximum [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Effective Income Tax Rate Reconciliation, at Foreign Statutory Income Tax Rate, Percent   25.00%