XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.25.2

Revenues - Activities and Ending Reserve Balances for Significant Categories of Discounts and Allowances (Details) $ in Thousands | 6 Months Ended
--- | ---
Jul. 04, 2025 USD ($)
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Balance at December 31, 2024 | $ 87,643
Provision related to sales made in: |
Current period | 443,464
Prior periods | (9,770)
Payments and customer credits issued | (424,615)
Balance at June 30, 2025 | 96,722
Chargebacks, Discounts for Prompt Payment and Other |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Balance at December 31, 2024 | 25,267
Provision related to sales made in: |
Current period | 302,952
Prior periods | (4,349)
Payments and customer credits issued | (284,424)
Balance at June 30, 2025 | 39,446
Other Customer Credits/Fees and Co-pay Assistance |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Balance at December 31, 2024 | 24,945
Provision related to sales made in: |
Current period | 35,189
Prior periods | (2,099)
Payments and customer credits issued | (41,634)
Balance at June 30, 2025 | 16,401
Rebates |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Balance at December 31, 2024 | 37,431
Provision related to sales made in: |
Current period | 105,323
Prior periods | (3,322)
Payments and customer credits issued | (98,557)
Balance at June 30, 2025 | $ 40,875

X
- Definition Valuation Allowances And Reserves, Additions For Sales In Current Period + References No definition available. + Details
Name: | exel_ValuationAllowancesAndReservesAdditionsForSalesInCurrentPeriod
Namespace Prefix: | exel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Valuation Allowances And Reserves, Additions For Sales In Prior Period + References No definition available. + Details
Name: | exel_ValuationAllowancesAndReservesAdditionsForSalesInPriorPeriod
Namespace Prefix: | exel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Valuation Allowances And Reserves, Additions To Provision [Abstract] + References No definition available. + Details
Name: | exel_ValuationAllowancesAndReservesAdditionsToProvisionAbstract
Namespace Prefix: | exel_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInValuationAllowancesAndReservesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
Name: | us-gaap_ValuationAllowancesAndReservesBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column D)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
Name: | us-gaap_ValuationAllowancesAndReservesDeductions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=exel_ChargebacksAndDiscountsForPromptPaymentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=exel_AllowanceForCustomerCreditsFeesandCoPayAssistanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=exel_AllowanceForProductRebatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |