XML 48 R36.htm IDEA: XBRL DOCUMENT v3.24.2

Accounting Principles and Practices (Details)	Jun. 30, 2024
Accounting Policies [Abstract]
VIE assets, percentage	1.00%

X

- Definition

Variable Interest Entity, Assets, Percentage

+ References

No definition available.

+ Details

Name:	aon_VariableInterestEntityAssetsPercentage
Namespace Prefix:	aon_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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