Share-Based Compensation - Stock Options (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Jan. 04, 2020
Share-Based Compensation
Compensation expense	$ 138	$ 57	$ 52
Stock options
Share-Based Compensation
Compensation expense	$ 21	$ 20	$ 22
Maximum term of options	10 years
Vesting period	3 years
Weighted-average assumptions used in Black-Scholes option-pricing model
Fair value of options at grant date (in dollars per share)	$ 15.05	$ 10.66	$ 14.62
Dividend yield	0.20%	0.20%	0.20%
Expected volatility	33.60%	29.30%	26.60%
Risk-free interest rate	0.70%	1.10%	2.50%
Expected term (in years)	4 years 8 months 12 days	4 years 8 months 12 days	4 years 8 months 12 days
Number of Options
Outstanding at beginning of period (in shares)	9,810
Granted (in shares)	1,489
Exercised (in shares)	(2,833)
Forfeited or expired (in shares)	(177)
Outstanding at end of period (in shares)	8,289	9,810
Exercisable at end of period (in shares)	5,143
Weighted-Average Exercise Price
Outstanding at beginning of period (in dollars per share)	$ 44.03
Granted (in dollars per share)	51.64
Exercised (in dollars per share)	(41.57)
Forfeited or expired (in dollars per share)	(46.46)
Outstanding at end of period (in dollars per share)	46.18	$ 44.03
Exercisable at end of period (in dollars per share)	$ 45.54
Additional general disclosures
Aggregate intrinsic value of outstanding options	$ 257
Weighted-average remaining contractual life of outstanding options	6 years
Aggregate intrinsic value of exercisable options	$ 163
Weighted-average remaining contractual life of exercisable options	4 years 7 months 6 days
Total intrinsic value of options exercised	$ 63	$ 10	$ 22