v3.26.1
Accumulated other comprehensive income (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 29, 2026
Mar. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance $ 81,544 $ 71,490
Ending balance 81,186 78,109
Change from continuing operations 99 1
Foreign Currency Translation    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (13,947)  
Net change 334  
Ending balance (13,613)  
Gain/ (Loss) On Securities    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance 0  
Net change 0  
Ending balance 0  
Employee Benefit Plans    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (693)  
Net change 39  
Ending balance (654)  
Gain/ (Loss) On Derivatives & Hedges    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (290)  
Net change (274)  
Ending balance (564)  
Total Accumulated Other Comprehensive Income/(Loss)    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (14,930) (11,741)
Ending balance (14,831) (11,740)
Change from continuing operations $ 99 $ 1