Supplemental Financial Information - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) $ in Millions	6 Months Ended
	Jun. 28, 2026 USD ($)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 10,451
Other comprehensive income (loss) before reclassifications	(78)
Amounts reclassified out of accumulated other comprehensive income (loss)	(3)
Tax effects	2
Other comprehensive income (loss)	(79)
Ending balance	11,761
Currency  translation differences
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	247
Other comprehensive income (loss) before reclassifications	(68)
Amounts reclassified out of accumulated other comprehensive income (loss)	0
Tax effects	0
Other comprehensive income (loss)	(68)
Ending balance	179
Change in fair value cash flow hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	2
Other comprehensive income (loss) before reclassifications	(8)
Amounts reclassified out of accumulated other comprehensive income (loss)	(3)
Tax effects	2
Other comprehensive income (loss)	(9)
Ending balance	(7)
Net actuarial gain/(losses)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(36)
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	(38)
Accumulated  Other Comprehensive Income (loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	213
Ending balance	$ 134