Exercise price of options as a maximum percentage of the estimated fair value of the Company's common stock.

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Minimum shareholding as a percentage of total combined voting power of all classes of stock of the Company, held by individuals to whom options are to be granted.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Share-based Compensation Stock Incentive Plans - Stock Incentive Plans (Details) - shares	12 Months Ended
	Dec. 31, 2023	Jul. 21, 2023	Dec. 31, 2022
AEON 2013 Stock Incentive Plan
Share-based Compensation Stock Incentive Plans
Aggregate number of shares available for future grant			27,884,000
Minimum shareholding as a percentage of total combined voting power of all classes of stock of the Company	10.00%
Exercise price of options as a percentage of the estimated fair value of the Company's common stock, maximum	110.00%
AEON 2013 Stock Incentive Plan \| Stock options issued and outstanding
Share-based Compensation Stock Incentive Plans
Expiration term of awards	10 years
Percentage of vesting on the first anniversary of the date of grant	25.00%
AEON 2013 Stock Incentive Plan \| Stock options issued and outstanding \| Minimum
Share-based Compensation Stock Incentive Plans
Vesting period	3 years
AEON 2013 Stock Incentive Plan \| Stock options issued and outstanding \| Maximum
Share-based Compensation Stock Incentive Plans
Vesting period	4 years
AEON 2013 Stock Incentive Plan \| Stock options granted to a 10% stockholder
Share-based Compensation Stock Incentive Plans
Expiration term of awards	5 years
AEON 2013 Stock Incentive Plan \| Restricted stock awards \| Minimum
Share-based Compensation Stock Incentive Plans
Vesting period	1 year
AEON 2013 Stock Incentive Plan \| Restricted stock awards \| Maximum
Share-based Compensation Stock Incentive Plans
Vesting period	3 years
ABP Sub Inc. 2019 Incentive Award Plan
Share-based Compensation Stock Incentive Plans
Aggregate number of shares available for future grant	0	237,500
AEON Biopharma Inc 2023 Incentive Award Plan
Share-based Compensation Stock Incentive Plans
Aggregate number of shares available for future grant		3,839,892