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Supplemental Financial Information - Cash and cash equivalents (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 03, 2022	Jul. 04, 2021	Dec. 31, 2021
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 3,545		$ 2,830
SSMC
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	193		$ 208
Dividends	$ 0	$ 0
SSMC \| TSMC
Cash and Cash Equivalents [Line Items]
Ownership percentage by noncontrolling owners	38.80%