v3.25.1
Supplemental Financial Information - Accumulated other comprehensive income (loss) (Details)
$ in Millions
 3 Months Ended
Mar. 30, 2025
USD ($)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance $ 9,531
Other comprehensive income (loss) before reclassifications 46
Amounts reclassified out of accumulated other comprehensive income (loss) 1
Tax effects (1)
Other comprehensive income (loss) 46
Ending balance 9,677
Currency  translation differences  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance 66
Other comprehensive income (loss) before reclassifications 43
Amounts reclassified out of accumulated other comprehensive income (loss) 0
Tax effects 0
Other comprehensive income (loss) 43
Ending balance 109
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 3
Amounts reclassified out of accumulated other comprehensive income (loss) 1
Tax effects (1)
Other comprehensive income (loss) 3
Ending balance (2)
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 0
Amounts reclassified out of accumulated other comprehensive income (loss) 0
Tax effects 0
Other comprehensive income (loss) 0
Ending balance (78)
Accumulated  Other Comprehensive Income (loss)  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance (17)
Ending balance $ 29