Discontinued Operations and Assets Held for Sale - Discontinued Operations Narrative (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Oct. 01, 2021	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2021	Jan. 01, 2021	Oct. 01, 2020
Other Commitments [Line Items]
Dedicated directed costs		$ 9	$ (5)	$ (165)	$ (62)
Broadcom Enterprise
Other Commitments [Line Items]
Agreements, aggregate amount						$ 200
License agreement	5 years 7 months 6 days
Broadcom Enterprise | License and Service
Other Commitments [Line Items]
Dedicated directed costs			$ 0		$ 9