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Stockholders' Equity - Summary of Restricted Stock Activity and Related Information (Details) - $ / shares shares in Thousands	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
RSU
Stock Units
Outstanding at period start (in shares)	1,721	1,700	1,840
Awarded (in shares)	259	878	698
Vested (in shares)	(606)	(655)	(694)
Cancelled (in shares)	(244)	(202)	(144)
Outstanding at period end (in shares)	1,130	1,721	1,700
Weighted-Average Grant- Date Fair Value per Share
Outstanding at period start (in dollars per share)	$ 313.35	$ 271.49	$ 227.00
Awarded (in dollars per share)	438.46	329.83	313.70
Vested (in dollars per share)	303.08	239.19	205.51
Cancelled (in dollars per share)	321.93	273.13	225.48
Outstanding at period end (in dollars per share)	$ 345.66	$ 313.35	$ 271.49
RSU | GRAIL Inc
Stock Units
Awarded (in shares)	59
PSU
Stock Units
Outstanding at period start (in shares)	0	271	660
Awarded (in shares)	456	(78)	(41)
Vested (in shares)	(72)	(117)	(283)
Cancelled (in shares)	(56)	(76)	(65)
Outstanding at period end (in shares)	328	0	271
Weighted-Average Grant- Date Fair Value per Share
Outstanding at period start (in dollars per share)	$ 0	$ 258.66	$ 196.99
Awarded (in dollars per share)	471.63	344.22	254.52
Vested (in dollars per share)	492.55	400.74	133.11
Cancelled (in dollars per share)	475.38	266.63	181.79
Outstanding at period end (in dollars per share)	$ 466.42	$ 0	$ 258.66

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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