Revenue (Tables)

12 Months Ended

Jan. 03, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

Revenue by Source

	2020						2019						2018
in millions	Sequencing		Microarray		Total		Sequencing		Microarray		Total		Sequencing		Microarray		Total
Consumables	$	2,039	$	265	$	2,304	$	2,075	$	317	$	2,392	$	1,824	$	353	$	2,177
Instruments	417		14		431		517		20		537		535		37		572
Total product revenue	2,456		279		2,735		2,592		337		2,929		2,359		390		2,749
Service and other revenue	423		81		504		476		138		614		416		168		584
Total revenue	$	2,879	$	360	$	3,239	$	3,068	$	475	$	3,543	$	2,775	$	558	$	3,333

Revenue by Geographic Area

Based on region of destination (in millions)	2020		2019		2018
Americas (1)	$	1,744	$	1,970	$	1,864
Europe, Middle East, and Africa	886		933		851
Greater China (2)	342		372		365
Asia-Pacific	267		268		253
Total revenue	$	3,239	$	3,543	$	3,333

(1) Revenue for the Americas region included United States revenue of $1,655 million, $1,859 million, and $1,779 million in 2020, 2019, and 2018, respectively.

(2) Region includes revenue from China, Taiwan, and Hong Kong.