XML 90 R72.htm IDEA: XBRL DOCUMENT
v3.25.0.1

STOCKHOLDERS' EQUITY - Schedule of Cash-Based Equity Incentive Award Activity (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 29, 2024 | Dec. 31, 2023 | Jan. 01, 2023
Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Awards [Roll Forward] |  |  |
Liability-classified equity incentive awards | $ 0 | $ 55 |
Liability-Based Awards |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Awards [Roll Forward] |  |  |
Beginning balance | 292 | 293 | $ 184
Granted | 67 | 116 | 168
Vested and paid in cash | (54) | (77) | (41)
Cancelled | (13) | (32) | (41)
Change in fair value | (9) | (8) | 23
Derecognition for GRAIL Spin-Off | (283) |  |
Ending balance | 0 | $ 292 | $ 293
Liability-classified equity incentive awards | $ 53 |  |

X
- Definition Accrued Liability-Classified Awards, Current + References No definition available. + Details
Name: | ilmn_AccruedLiabilityClassifiedAwardsCurrent
Namespace Prefix: | ilmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Change In Fair Value + References No definition available. + Details
Name: | ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardChangeInFairValue
Namespace Prefix: | ilmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Awards, Derecognition + References No definition available. + Details
Name: | ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardsDerecognition
Namespace Prefix: | ilmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Awards, Forfeited, Value + References No definition available. + Details
Name: | ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardsForfeitedValue
Namespace Prefix: | ilmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Awards, Granted, Value + References No definition available. + Details
Name: | ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardsGrantedValue
Namespace Prefix: | ilmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Awards, Outstanding, Value + References No definition available. + Details
Name: | ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardsOutstandingValue
Namespace Prefix: | ilmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Awards + References No definition available. + Details
Name: | ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardsRollForward
Namespace Prefix: | ilmn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Liability-Classified Awards, Vested And Paid In Cash, Value + References No definition available. + Details
Name: | ilmn_ShareBasedCompensationArrangementByShareBasedPaymentAwardLiabilityClassifiedAwardsVestedAndPaidInCashValue
Namespace Prefix: | ilmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=ilmn_LiabilityBasedAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |