Shareholders' Equity - Changes in AOCI (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 02, 2023	Jul. 03, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	$ (2,152)
Ending Balance	(1,695)
Changes in Unrealized Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	4	$ 144
Other comprehensive income, pretax	(19)	(156)
Provision for income tax, net	4	41
Other comprehensive loss, net of tax	(15)	(115)
Ending Balance	(11)	29
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	260	538
Other comprehensive income, pretax	191	(189)
Provision for income tax, net	0	0
Other comprehensive loss, net of tax	191	(189)
Ending Balance	451	349
Changes in Retirement Plans’ Funded Status
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(2,416)	(2,602)
Other comprehensive income, pretax	357	89
Provision for income tax, net	(76)	(18)
Other comprehensive loss, net of tax	281	71
Ending Balance	(2,135)	(2,531)
AOCL
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(2,152)	(1,920)
Other comprehensive income, pretax	529	(256)
Provision for income tax, net	(72)	23
Other comprehensive loss, net of tax	457	(233)
Ending Balance	$ (1,695)	$ (2,153)