v3.25.2
Supplemental Financial Information - Accumulated other comprehensive income (loss) (Details)
$ in Millions
 6 Months Ended
Jun. 29, 2025
USD ($)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance $ 9,531
Other comprehensive income (loss) before reclassifications 190
Amounts reclassified out of accumulated other comprehensive income (loss) 0
Tax effects (3)
Other comprehensive income (loss) 187
Ending balance 9,936
Currency  translation differences  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance 66
Other comprehensive income (loss) before reclassifications 179
Amounts reclassified out of accumulated other comprehensive income (loss) 0
Tax effects 0
Other comprehensive income (loss) 179
Ending balance 245
Change in fair value cash flow hedges  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance (5)
Other comprehensive income (loss) before reclassifications 13
Amounts reclassified out of accumulated other comprehensive income (loss) 0
Tax effects (3)
Other comprehensive income (loss) 10
Ending balance 5
Net actuarial gain/(losses)  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance (78)
Other comprehensive income (loss) before reclassifications (2)
Amounts reclassified out of accumulated other comprehensive income (loss) 0
Tax effects 0
Other comprehensive income (loss) (2)
Ending balance (80)
Accumulated  Other Comprehensive Income (loss)  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance (17)
Ending balance $ 170