Revenue Performance - Revenue decreased by 3% in 2024 to 4.4billioncomparedto4.5 billion in 2023, primarily due to a decrease in sequencing instruments revenue[170]. - Total revenue for the year ended December 29, 2024, was 4,372million,adecreaseof2.94,504 million in 2023[258]. - Product revenue decreased to 3,656millionin2024from3,787 million in 2023, representing a decline of 3.5%[258]. - Core Illumina consumables revenue increased by 2% to 3.169billionin2024,primarilyduetoanincreaseinNovaSeqXconsumables[173].−CoreIlluminainstrumentsrevenuedecreasedby29501 million in 2024, driven by fewer shipments of high-throughput instruments[173]. - Revenue from product sales is recognized upon delivery to the end customer, with invoicing typically occurring upon shipment and payment due within 30 days[294]. - Revenue from Greater China was 308millionin2024,downfrom384 million in 2023, a decline of 19.8%[353]. - Americas revenue was 2,441millionin2024,downfrom2,521 million in 2023, a decline of 3.2%[353]. Financial Performance - Gross margin increased to 65.4% in 2024 from 60.9% in 2023, driven by operational excellence initiatives and a favorable revenue mix[170]. - Loss from operations improved to 0.8billionin2024from1.1 billion in 2023, due to a decrease in operating expenses and an increase in gross profit[171]. - The net loss for 2024 was 1,223million,comparedtoanetlossof1,161 million in 2023, reflecting a 62millionincrease[187].−Thecompanyreportedanetlossof1,223 million for the year ended December 29, 2024, compared to a net loss of 1,161millionin2023[258].−Thecompanyincurredagoodwillandintangibleassetimpairmentof1,889 million in 2024, compared to 827millionin2023,reflectingasignificantincrease[268].−Thecompanyrecordedanetunrealizedlossof310 million on marketable equity securities in 2024[360]. Cash Flow and Investments - Cash, cash equivalents, and short-term investments totaled 1.220billionattheendof2024,withapproximately439 million held by foreign subsidiaries[171]. - Net cash provided by operating activities in 2024 was 837million,asignificantincreasefrom478 million in 2023[202]. - Net cash used in investing activities was 178millionin2024,including128 million in capital expenditures and 81millionforanacquisition[205].−Thecompanyissued500 million in 2026 Term Notes in September 2024, with net proceeds of 497 million used to repay part of the outstanding debt[193]. - The company anticipates that current cash, cash equivalents, and short-term investments are sufficient to fund near-term capital and operating needs for at least the next 12 months[201]. Operational Efficiency - Core Illumina's R&D expense decreased by 42 million, or 4%, in 2024, primarily due to reductions in headcount and employee compensation costs[180]. - Core Illumina's SG&A expense decreased by 348million,or28119 million, or 3%, from 3,813millionin2023to3,694 million in 2024[180]. Strategic Initiatives - Strategic goals for 2025 include a focus on returning to revenue growth and further progress in operational excellence initiatives[169]. - The company plans to continue advancing research and development efforts and may pursue strategic acquisitions to enhance product offerings[202]. GRAIL Spin-Off - The Spin-Off of GRAIL on June 24, 2024, resulted in Illumina retaining approximately 14.5% of GRAIL common stock[165]. - The company completed the Spin-Off of GRAIL on June 24, 2024, distributing approximately 85.5% of GRAIL's outstanding common stock to Illumina stockholders[272]. - The cash contribution to GRAIL for 2.5 years of operations was determined to be 974million,netofcashandcashequivalentsheldbyGRAIL[346].ImpairmentandValuation−GRAIL′sgoodwillandintangibleimpairmentin2024was1,886 million, significantly higher than the 821 million in 2023[183]. - The impairment assessment of GRAIL IPR&D involved significant estimation uncertainty, particularly regarding forecasted revenues and discount rates[251]. - The company recorded an impairment loss of 420 million related to GRAIL in-process research and development (IPR&D), with a carrying value of 140millionpost−assessment[250].TaxandInterest−Theeffectivetaxratewas(3.8)12 million, or 21%, to 46millionin2024,whileinterestexpenseincreasedby23 million, or 30%, to 100million[185].MarketandCurrency−Thetotalnotionalamountsofoutstandingforwardcontractsforforeigncurrencypurchaseswas621 million as of December 29, 2024, used to hedge portions of foreign currency exposure associated with forecasted revenue transactions[237]. - The company had foreign exchange forward contracts in place to hedge exposures in multiple currencies, including euro and Japanese yen, as of December 29, 2024[327].