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Segment Information (Tables)

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Schedule of Operating Performance and Assets by Segment

In millions			Q1 2024						Q1 2023
Revenue:
Core Illumina			$	1,056					$	1,076
GRAIL			27						20
Eliminations			(7)						(9)
Consolidated revenue			$	1,076					$	1,087
Income (loss) from operations:
Core Illumina			$	116					$	142
GRAIL			(227)						(204)
Eliminations			—						(2)
Consolidated loss from operations			$	(111)					$	(64)

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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

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-Name Accounting Standards Codification
-Topic 350
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- References

No definition available.

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