Annual report pursuant to Section 13 and 15(d)

Retirement Benefit Plans (Detail)

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Retirement Benefit Plans (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Defined Benefit Plan Disclosure [Line Items]      
Reduction of projected benefit obligation $ 150    
Beginning projected benefit obligation 4,284 $ 3,433 $ 3,842
Service cost 54 65  
Interest cost 113 113  
Actuarial (gain) loss 829 (204)  
Currency exchange rate changes (2) (121)  
Plan curtailments 0 (150)  
Plan settlements (57) (74)  
Other changes in projected benefit obligation (86) (38)  
Fair value of plan assets 2,654 2,551 $ 2,287
Actual return on plan assets 193 (38)  
Employer contributions 30 480  
Currency exchange rate changes 3 (62)  
Plan settlements (57) (74)  
Other (66) (42)  
Net funded status 1,630 882  
Accumulated other comprehensive loss (income), before tax3 $ 1,730 1,038  
Defined Benefit Plan, Additional Information [Abstract]      
Net Actuarial (Gain) Loss Amortization Percent 10.00%    
Plans with accumulated benefit obligation in excess of plan assets, accumulated benefit obligation $ 3,862 1,965  
Plans with accumulated benefit obligation in excess of plan assets, plan assets 2,654 1,106  
Plans with projected benefit obligation in excess of plan assets, projected benefit obligation 4,284 2,232  
Plans with projected benefit obligation in excess of plan assets, plan assets $ 2,654 $ 1,106  
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) 32.00%    
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Discount rate 2.30% 3.30%  
Rate of compensation increase 3.50% 3.50%  
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]      
Discount rate 3.40% 3.00% 3.20%
Expected long-term rate of return on plan assets 4.70% 4.70% 4.60%
Rate of compensation increase 3.50% 3.30% 3.60%
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
Estimated Benefit Payments, 2019 $ 151    
Estimated Benefit Payments, 2020 145    
Estimated Benefit Payments, 2021 139    
Estimated Benefit Payments, 2022 135    
Estimated Benefit Payments, 2023 132    
Estimated Benefit Payments, 2024-2028 694    
Other long-term assets [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net funded status 0 $ (244)  
Other long-term liabilities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net funded status 1,630 1,126  
Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 397 372  
UNITED STATES      
Defined Benefit Plan Disclosure [Line Items]      
Projected Benefit Obligations Percentage Split 35.00%    
Fair Value of Plan Assets Percentage Split 55.00%    
AOCI Percentage Split 35.00%    
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 379 372 $ 346
Defined Benefit Plan, Additional Information [Abstract]      
Accumulated benefit obligations   1,200  
Defined Benefit Plan, Funded Status Percentage [Abstract]      
Defined Benefit Plan, Funded Percentage 96.00%    
UNITED STATES | Pension Plan [Member]      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) $ 135 197 $ 243
UNITED STATES | Postretirement Health Coverage [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Beginning projected benefit obligation 633 547  
Fair value of plan assets $ 553 $ 476  
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Discount rate 3.30% 4.40%  
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
Estimated Benefit Payments, 2019 $ 28    
Estimated Benefit Payments, 2020 30    
Estimated Benefit Payments, 2021 31    
Estimated Benefit Payments, 2022 32    
Estimated Benefit Payments, 2023 34    
Estimated Benefit Payments, 2024-2028 $ 183    
Foreign Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Projected Benefit Obligations Percentage Split 65.00%    
Fair Value of Plan Assets Percentage Split 45.00%    
AOCI Percentage Split 65.00%    
Defined Benefit Plan, Additional Information [Abstract]      
Accumulated benefit obligations   $ 2,000  
Marketable equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 278 261  
Defined Benefit Plan, Target Plan Asset Allocations (percent) 35.00%    
Marketable equity securities | UNITED STATES      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Plan Asset Allocations (percent) 10.00%    
Financial institution instruments      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 119 111  
Defined Benefit Plan, Target Plan Asset Allocations (percent) 45.00%    
Financial institution instruments | UNITED STATES      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Plan Asset Allocations (percent) 90.00%    
Assets measured at net asset value [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 2,236 2,138  
Cash [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 21 $ 41  
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 $ 0    
Level 1 [Member] | Marketable equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Level 1 [Member] | Financial institution instruments      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 377    
Level 2 [Member] | Marketable equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 278    
Level 2 [Member] | Financial institution instruments      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 99    
Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 20    
Level 3 [Member] | Marketable equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Level 3 [Member] | Financial institution instruments      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 20