Income Taxes Unrecognized Tax Benefit Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021		Dec. 28, 2019	Dec. 29, 2018		Sep. 26, 2020
Income Tax Disclosure [Abstract]
Balance at beginning of year	$ 90		$ 97	$ 60
Additions, current year	5		5	51	[1]
Additions, prior year	8		4	4
Reductions, prior year	(35)	[2]	(14)	(13)
Settlements, decreases	(2)		(1)	(4)
Lapse in statute of limitations	(1)		(1)	(1)
Balance at end of year	65		90	97
Tax reserves for transition tax on foreign earnings			47	47
Reduction to tax interest accrual			11
Income tax examination interest payments	1		2
Tax reserves released as a result of finalization of an IRS tax examination						$ 32
Income Tax Examination, Interest Expense	3		3
Accrued tax-related interest and penalties	$ 13		$ 11	$ 22

[1] During the fourth quarter of 2018, the Company recorded, as part of its final estimate under SAB 118, $47 million of tax reserves related to uncertainty in our interpretation of the statute and associated regulations.

[2] During the third quarter of 2020, the Company released $32 million of tax reserves as a result of finalization of an IRS tax examination.