Financial Instruments and Fair Value Measures - Amount of Gain/(Loss) Recognized For Derivative Instruments (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cost of products sold
Gain (loss) on derivatives
Pre-tax losses to be transferred into cost of products sold for foreign currency cash flow hedges during the next 12 months	$ 126
Interest expense, net
Gain (loss) on derivatives
Pre-tax gains to be transferred into interest expense, net for treasury rate lock agreement cash flow hedges during the next 12 months	21
Designated as hedging instrument \| Senior notes
Gain (loss) on derivatives
Pre-tax gains (losses) from net investment hedges recognized in other comprehensive income	305	$ (252)	$ 406
Designated as hedging instrument \| Interest expense, net \| Senior notes \| Fair value hedges
Gain (loss) on derivatives
Debt designated as hedged item in fair value hedges gains (losses) recognized in the consolidated statements of earnings	(62)	(98)	402
Foreign currency forward exchange contracts \| Designated as hedging instrument
Gain (loss) on derivatives
Pre-tax gains (losses) from cash flow hedges recognized in other comprehensive income	192	(2)	103
Pre-tax gains (losses) from net investment hedges recognized in other comprehensive income	435	(144)	395
Foreign currency forward exchange contracts \| Designated as hedging instrument \| Cash flow hedges
Gain (loss) on derivatives
Derivative instrument net gains (losses) recognized in the consolidated statements of earnings	$ 73	$ 77	$ 82
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of products sold	Cost of products sold	Cost of products sold
Foreign currency forward exchange contracts \| Designated as hedging instrument \| Net investment hedges
Gain (loss) on derivatives
Derivative instrument net gains (losses) recognized in the consolidated statements of earnings	$ 123	$ 112	$ 94
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain on derivative amount excluded from effectiveness testing	Gain on derivative amount excluded from effectiveness testing	Gain on derivative amount excluded from effectiveness testing
Foreign currency forward exchange contracts \| Not designated as hedging instrument
Gain (loss) on derivatives
Derivative instrument net gains (losses) recognized in the consolidated statements of earnings	$ 6	$ 33	$ (156)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain (Loss), Foreign Currency Transaction, before Tax	Gain (Loss), Foreign Currency Transaction, before Tax	Gain (Loss), Foreign Currency Transaction, before Tax
Interest rate swap contracts \| Designated as hedging instrument
Gain (loss) on derivatives
Pre-tax gains (losses) from cash flow hedges recognized in other comprehensive income	$ 0	$ 0	$ 6
Interest rate swap contracts \| Designated as hedging instrument \| Cash flow hedges
Gain (loss) on derivatives
Derivative instrument net gains (losses) recognized in the consolidated statements of earnings	$ 0	$ 0	$ (1)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain on derivative amount excluded from effectiveness testing	Gain on derivative amount excluded from effectiveness testing	Gain on derivative amount excluded from effectiveness testing
Interest rate swap contracts \| Designated as hedging instrument \| Fair value hedges
Gain (loss) on derivatives
Derivative instrument net gains (losses) recognized in the consolidated statements of earnings	$ 62	$ 98	$ (402)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain on derivative amount excluded from effectiveness testing	Gain on derivative amount excluded from effectiveness testing	Gain on derivative amount excluded from effectiveness testing
Treasury rate lock agreements \| Designated as hedging instrument \| Cash flow hedges
Gain (loss) on derivatives
Derivative instrument net gains (losses) recognized in the consolidated statements of earnings	$ 23	$ 24	$ 23
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain on derivative amount excluded from effectiveness testing	Gain on derivative amount excluded from effectiveness testing	Gain on derivative amount excluded from effectiveness testing
Cross-Currency Swap Contracts \| Designated as hedging instrument
Gain (loss) on derivatives
Pre-tax gains (losses) from cash flow hedges recognized in other comprehensive income	$ 0	$ (6)	$ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain (Loss), Foreign Currency Transaction, before Tax	Gain (Loss), Foreign Currency Transaction, before Tax	Gain (Loss), Foreign Currency Transaction, before Tax
Cross-Currency Swap Contracts \| Designated as hedging instrument \| Cash flow hedges
Gain (loss) on derivatives
Derivative instrument net gains (losses) recognized in the consolidated statements of earnings	$ 0	$ (6)	$ 0

Treasury Rate Lock Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net

No definition available.

Name:	abbv_TreasuryLockCashFlowHedgeGainLosstobeReclassifiedDuringNext12MonthsNet
Namespace Prefix:	abbv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

+ Details

Name:	us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative.

+ References

+ Details

Name:	us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E

+ Details

Name:	us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480870/815-30-50-1

+ Details

Name:	us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of unrealized gain (loss) included in earnings related to the fair value of the hedged item in an interest rate fair value hedge, offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

+ Details

Name:	us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480627/815-20-45-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A

+ Details

Name:	us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4CCC
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CCC

+ Details

Name:	us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_InterestExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_FairValueHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeForwardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_NetInvestmentHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_TreasuryLockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=abbv_CrossCurrencySwapContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: