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Segments and Geographic Data
 12 Months Ended
Jan. 02, 2022
Segment Reporting [Abstract]  
Segments and Geographic Data
11. SEGMENTS AND GEOGRAPHIC DATA
Reportable Segment Information

We have two reportable segments, Core Illumina and GRAIL. We do not allocate expenses between segments.

On August 18, 2021, we acquired GRAIL and it operates as a separate reportable segment. We have included the results of operations of GRAIL in our consolidated statements of operations from the date of acquisition. See note “4. Acquisitions, Goodwill and Intangible Assets” for further details. Core Illumina sells products and provides services to GRAIL, and vice versa, in accordance with contractual agreements between the entities.

Prior to the Helix deconsolidation on April 25, 2019, our reportable segments included Core Illumina and Helix. See note “3. Investments and Fair Value Measurements” for further details. Core Illumina sold products and provided services to Helix in accordance with contractual agreements between the entities.

Core Illumina:

Core Illumina’s products and services serve customers in the research, clinical and applied markets, and enable the adoption of a variety of genomic solutions. Core Illumina includes all of our operations, excluding the results of GRAIL in 2021 and the results of our previously consolidated VIE, Helix, in 2019.

GRAIL:

GRAIL is a healthcare company focused on early detection of multiple cancers.

Helix:

Helix was established to enable individuals to explore their genetic information by providing affordable sequencing and database services for consumers through third-party partners, driving the creation of an ecosystem of consumer applications.
 In millions202120202019
Revenue:
Core Illumina$4,519 $3,239 $3,543 
GRAIL12 — — 
Helix— — 1 
Eliminations(5)— (1)
Consolidated revenue$4,526 $3,239 $3,543 
Depreciation and amortization:
Core Illumina$200 $187 $186 
GRAIL51 — — 
Helix— — 3 
Eliminations — — (1)
Consolidated depreciation and amortization$251 $187 $188 
Income (loss) from operations:
Core Illumina$808 $580 $1,008 
GRAIL(931)— — 
Helix— — (24)
Eliminations— — 1 
Consolidated (loss) income from operations$(123)$580 $985 

Total other income, net primarily relates to Core Illumina and we do not allocate income taxes to our segments.

In millionsJanuary 2,
2022		January 3,
2021		December 29,
2019
Total assets:
Core Illumina$5,571 $7,585 $7,316 
GRAIL9,649 — — 
Helix— — — 
Eliminations(3)— — 
Consolidated total assets$15,217 $7,585 $7,316 
Capital expenditures:
Core Illumina$201 $189 $209 
GRAIL8 — — 
Eliminations(1)— — 
Consolidated capital expenditures$208 $189 $209 
Geographic Data

Net long-lived assets, consisting of property and equipment and operating lease right-of-use assets, by region, were as follows:
In millionsJanuary 2,
2022		January 3,
2021
United States$1,281 $1,134 
Singapore218 150 
United Kingdom146 141 
Other countries51 29 
Total net long-lived assets$1,696 $1,454 
Refer to note “2. Revenue” for revenue by geographic area.