Derivative Instruments and Fair Value Measurements Marketable Securities (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Marketable Securities [Line Items]
Purchases of marketable securities	$ 250	$ 0	$ 0
Sales of marketable securities	250	$ 0	$ 0
Bonds, other
Marketable Securities [Line Items]
Purchases of marketable securities	250
Sales of marketable securities	250
Bonds, corporate | Other Income (Expense), Net
Marketable Securities [Line Items]
Marketable Securities, Realized Gain (Loss)	$ 1