Adjustments To Additional Paid In Capital, Fair Value Adjustment, Redeemable Noncontrolling Interest

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Redeemable Noncontrolling Interest, Equity, Excess Over Carrying Amount

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Stockholders' Equity, Conversion, Threshold Volume Weighted Average Price Period

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Stockholders Equity, Number Of Days After The Redemption Notice Date For Redemption To Be Settled

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Stockholders' Equity, Redemption Ratio

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Number of warrants or rights outstanding.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of common units of ownership outstanding of a limited liability company (LLC).

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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Redemption value, as if currently redeemable, of redeemable noncontrolling interest classified as temporary equity and the election has been made to accrete changes in redemption value to the earliest redemption date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Redeemable Noncontrolling Interest - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 20, 2023	Dec. 31, 2023
Noncontrolling Interest [Line Items]
Redemption ratio				1
Number of days after redemption notice date that redemption must be settled		10 days		10 days
Redemption value of noncontrolling interest		$ 91,700		$ 91,700
Excess redeemable noncontrolling interest over carrying amount		75,300		75,300
Fair value adjustment to redeemable noncontrolling interest		(62,816)	$ (344,371)	36,497	$ (344,371)
Retained Earnings (Deficit)
Noncontrolling Interest [Line Items]
Fair value adjustment to redeemable noncontrolling interest		$ (35,699)	$ (326,769)	$ 63,614	$ (326,769)
Common Class A
Noncontrolling Interest [Line Items]
Common stock, shares outstanding (in shares)		16,177,647		16,177,647			9,517,816
Stockholders' equity, conversion, threshold volume weighted average price period		5 days		5 days
Legacy AON Shareholders \| AON LLC
Noncontrolling Interest [Line Items]
Common unit, units outstanding (in units)		23,445,368		23,445,368
Allocation of income to controlling and noncontrolling interests (in percent)	81.00%	63.90%		71.00%	100.00%	100.00%
Common stock, shares outstanding (in shares)		20,445,123		20,445,123
Class of warrant outstanding (in shares)		3,000,245		3,000,245
Ownership interest				63.70%