v3.25.3
Supplemental Financial Information - Accumulated other comprehensive income (loss) (Details)
$ in Millions
 9 Months Ended
Sep. 28, 2025
USD ($)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance $ 9,531
Other comprehensive income (loss) before reclassifications 187
Amounts reclassified out of accumulated other comprehensive income (loss) (1)
Tax effects (2)
Other comprehensive income (loss) 184
Ending balance 10,427
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 9
Amounts reclassified out of accumulated other comprehensive income (loss) (1)
Tax effects (2)
Other comprehensive income (loss) 6
Ending balance 1
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 (1)
Amounts reclassified out of accumulated other comprehensive income (loss) 0
Tax effects 0
Other comprehensive income (loss) (1)
Ending balance (79)
Accumulated  Other Comprehensive Income (loss)  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance (17)
Ending balance $ 167