Equity Narrative (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Equity, Class of Treasury Stock [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	7.3	14.0	6.5
Shares issued to employees and directors under various benefit plans and stock purchase programs	9.0	15.0	8.0
Common stock repurchases (in shares)		4.0
Common stock repurchased		$ 220	$ 320
2020 share repurchase program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 1,500