Financial Instruments and Fair Value Measures - Bases Used to Measure The Approximate Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Liabilities
Carrying amount of investments in equity securities that do not have readily determinable fair values	$ 169	$ 159
Book value
Liabilities
Current portion of long-term debt and finance lease obligations, excluding fair value hedges	6,797	7,191
Long-term debt and finance lease obligations, excluding fair value hedges	60,243	52,460
Total liabilities	67,040	59,651
Estimate of Fair Value Measurement
Liabilities
Current portion of long-term debt and finance lease obligations, excluding fair value hedges	6,767	7,069
Long-term debt and finance lease obligations, excluding fair value hedges	55,836	49,541
Total liabilities	62,603	56,610
Estimate of Fair Value Measurement \| Quoted prices in active markets for identical assets (Level 1)
Liabilities
Current portion of long-term debt and finance lease obligations, excluding fair value hedges	6,620	6,862
Long-term debt and finance lease obligations, excluding fair value hedges	53,441	48,983
Total liabilities	60,061	55,845
Estimate of Fair Value Measurement \| Significant other observable inputs (Level 2)
Liabilities
Current portion of long-term debt and finance lease obligations, excluding fair value hedges	147	207
Long-term debt and finance lease obligations, excluding fair value hedges	2,395	558
Total liabilities	2,542	765
Estimate of Fair Value Measurement \| Significant unobservable inputs (Level 3)
Liabilities
Current portion of long-term debt and finance lease obligations, excluding fair value hedges	0	0
Long-term debt and finance lease obligations, excluding fair value hedges	0	0
Total liabilities	$ 0	$ 0

Represents the fair value amount of obligation related to long-term debt (excluding convertible debt) and capital leases, the portion which is due in one year or less in the future.

No definition available.

+ Details

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

- Definition

Represents the fair value amount of as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

+ References

No definition available.

+ Details

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

- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

+ Details

Name:	us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value of financial and nonfinancial obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

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

- References

No definition available.

+ Details

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

- Details

Name:	us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: