Annual report pursuant to Section 13 and 15(d)

Retirement Benefit Plans (Details)

v3.22.4
Retirement Benefit Plans (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 25, 2021
Dec. 26, 2020
Defined Benefit Plan Disclosure [Line Items]      
Beginning projected benefit obligation $ 2,705 $ 4,456 $ 4,929
Service cost 58 54  
Interest cost $ 91 $ 91  
Defined Benefit Plan Net Periodic Benefit Cost Credit Interest Cost Statement Of Income Or Comprehensive Income Extensible ListNotDisclosedFlag Interest cost Interest cost  
Actuarial (gain) loss $ (1,500) $ (284)  
Currency exchange rate changes (233) (150)  
Plan settlements (96) (126)  
Other changes in projected benefit obligation (71) (58)  
Fair value of plan assets 2,130 2,817 $ 2,878
Actual return on plan assets (478) 145  
Currency exchange rate changes (102) (63)  
Defined Benefit Plan, Plan Assets, Payment for Settlement (96) (126)  
Other (11) (17)  
Net unfunded status 575 1,639  
Accumulated other comprehensive loss (income), before tax3 $ 406 1,445  
Defined Benefit Plan, Additional Information [Abstract]      
Net Actuarial (Gain) Loss Amortization Percent 10.00%    
Accumulated benefit obligations $ 2,507 4,086  
Defined Benefit Plan, Funded Status Percentage [Abstract]      
Defined Benefit Plan, Funded Percentage 81.00%    
Defined Benefit Plan, Component Of Worldwide Pension And Postretirement Benefit Obligation (percent) 28.00%    
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]      
Accumulated benefit obligation $ 559 4,086  
Plan assets 97 2,817  
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract]      
Projected benefit obligation 1,048 4,456  
Plan assets $ 399 $ 2,817  
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Discount rate 4.90% 2.20%  
Rate of compensation increase 3.70% 3.20%  
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]      
Discount rate 2.20% 1.90% 2.30%
Expected long-term rate of return on plan assets 3.20% 2.70% 3.30%
Rate of compensation increase 3.20% 3.20% 3.20%
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
Estimated Benefit Payments, 2019 $ 125    
Estimated Benefit Payments, 2020 113    
Estimated Benefit Payments, 2021 118    
Estimated Benefit Payments, 2022 126    
Estimated Benefit Payments, 2023 129    
Estimated Benefit Payments, 2024-2028 700    
Other long-term assets [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net unfunded status (74) $ 0  
Other long-term liabilities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net unfunded status 649 1,639  
Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 427 $ 484  
United States      
Defined Benefit Plan Disclosure [Line Items]      
Projected Benefit Obligations Percentage Split 30.00%    
Fair Value of Plan Assets Percentage Split 40.00% 50.00%  
AOCI Percentage Split 90.00% 30.00%  
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 489 $ 444 $ 398
Defined Benefit Plan, Additional Information [Abstract]      
Accumulated benefit obligations $ 900 1,400  
Defined Benefit Plan, Funded Status Percentage [Abstract]      
Defined Benefit Plan, Funded Percentage 102.00%    
United States | Pension Plan [Member]      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) $ 139 162 $ 164
United States | Postretirement Health Coverage [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Beginning projected benefit obligation 527 682  
Fair value of plan assets $ 501 $ 669  
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Discount rate 5.60% 2.80%  
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
Estimated Benefit Payments, 2019 $ 40    
Estimated Benefit Payments, 2020 41    
Estimated Benefit Payments, 2021 41    
Estimated Benefit Payments, 2022 43    
Estimated Benefit Payments, 2023 44    
Estimated Benefit Payments, 2024-2028 $ 222    
Foreign Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Projected Benefit Obligations Percentage Split 70.00%    
Fair Value of Plan Assets Percentage Split 60.00% 50.00%  
AOCI Percentage Split 10.00% 70.00%  
Defined Benefit Plan, Additional Information [Abstract]      
Accumulated benefit obligations $ 1,600 $ 2,600  
Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Plan Asset Allocations (percent) 35.00%    
Fair value of plan assets $ 297 342  
Equity securities | United States      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Plan Asset Allocations (percent) 10.00%    
Equity securities | United States | Postretirement Health Coverage [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Plan Asset Allocations (percent) 55.00%    
Fixed income      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Plan Asset Allocations (percent) 45.00%    
Fair value of plan assets $ 130 142  
Fixed income | United States      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Plan Asset Allocations (percent) 90.00%    
Fixed income | United States | Postretirement Health Coverage [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Plan Asset Allocations (percent) 45.00%    
Assets measured at net asset value [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 1,683 2,311  
Cash [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 20 $ 22  
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] | Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Level 1 [Member] | Fixed income      
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 403    
Level 2 [Member] | Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 297    
Level 2 [Member] | Fixed income      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 106    
Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 24    
Level 3 [Member] | Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Level 3 [Member] | Fixed income      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 24