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SEGMENT AND GEOGRAPHIC INFORMATION (Tables)

12 Months Ended

Dec. 29, 2024

Segment Reporting [Abstract]

Schedule of Operating Performance and Assets by Segment

Our CODM allocates resources and evaluates business performance based on revenues and net income (loss). Net income (loss) is used in the annual budgeting and monthly forecasting processes and to monitor and assess budgeted/forecasted versus actual results. Our CODM does not evaluate segments using asset information. The accounting policies for segments are the same as those described in the summary of significant accounting policies.

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

In millions			2024						2023						2022
Core Illumina:
Revenue(1)			$	4,332					$	4,438					$	4,553
Less:
Cost of revenue			1,424						1,582						1,446
Research and development			988						1,030						1,004
Selling and marketing			638						648						677
General and administrative			262						600						326
Goodwill and intangible impairment			3						6						—
Legal contingency and settlement			(456)						20						619
Core Illumina income from operations			1,473						552						481
GRAIL:
Revenue			55						93						55
Total operating expenses(2)			2,360						1,714						4,712
Consolidated other expense, net			346						48						157
Consolidated provision for income taxes			44						44						68
Intersegment eliminations			(1)						—						(3)
Consolidated net loss			$	(1,223)					$	(1,161)					$	(4,404)

_____________

(1)Core Illumina revenue for 2024, 2023, and 2022 included intercompany revenue of $15 million, $26 million, and $24 million, respectively.

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

In millions			2024						2023						2022
Depreciation and amortization:
Core Illumina			$	280					$	273					$	240
GRAIL			74						159						154
Consolidated depreciation and amortization			$	354					$	432					$	394
Capital expenditures:
Core Illumina			$	137					$	183					$	262
GRAIL			5						13						24
Eliminations			—						(1)						—
Consolidated capital expenditures			$	142					$	195					$	286

Schedule of Net Long-lived Assets Consisting of Property and Equipment by Region

Long-lived assets, consisting of property and equipment and operating lease right-of-use assets, were as follows:

In millions			December 29, 2024						December 31, 2023
United States			$	750					$	1,040
Singapore			279						298
United Kingdom			124						136
Other countries			81						77
Total long-lived assets, net			$	1,234					$	1,551

X

- Definition

Tabular disclosure of long-lived assets, excluding financial instruments, long-term customer relationships of a financial institution, mortgage rights, deferred policy acquisition costs, and deferred tax assets, by geographic areas located in the entity's country of domicile and foreign countries in which the entity holds assets.

+ References

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-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (b)
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- 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
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