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SEGMENT INFORMATION (Tables)

3 Months Ended

Mar. 30, 2025

Segment Reporting [Abstract]

Schedule of Operating Performance and Assets by Segment

The following tables present selected financial information with respect to segments for the periods presented:

In millions			Q1 2025						Q1 2024
Core Illumina:
Revenue (1)			$	1,041					$	1,056
Less:
Cost of revenue			358						363
Research and development			252						241
Selling and marketing			165						153
General and administrative			102						183
Core Illumina income from operations			164						116
GRAIL:
Revenue			—						27
Total operating expenses (2)			—						254
Consolidated other income, net			18						2
Consolidated provision for income taxes			51						17
Intersegment eliminations			—						—
Consolidated net income (loss)			$	131					$	(126)

_____________

(1)Core Illumina revenue included intercompany revenue of $7 million in Q1 2024.

(2)GRAIL operating expenses are inclusive of cost of revenue, research and development, selling and marketing, and general and administrative for the comparative period prior to the Spin-Off on June 24, 2024.

In millions			Q1 2025						Q1 2024
Depreciation and amortization:
Core Illumina			$	69					$	69
GRAIL			—						39
Consolidated depreciation and amortization			$	69					$	108

X

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

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- References

No definition available.

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