v3.25.1
Other Financial Data (Tables)
 3 Months Ended
Mar. 31, 2025
Other Financial Data [Abstract]  
Schedule of Other Income (Expense)
Other income (expense) consists of the following (in millions):
Three Months Ended March 31,
20252024
Equity earnings (loss)$(2)$2 
Pension and other postretirement(23)(10)
Foreign currency remeasurement(16)4 
Financial instruments and other (1)
31 79 
Total
$(10)$75 
(1)During the three months ended March 31, 2025 and 2024, a $20 million and $82 million gain was recognized, respectively, related to deferred consideration from the affiliates of The Blackstone Group L.P. and the other designated purchasers related to a divestiture completed in a prior year period. Refer to Note 7 “Acquisitions and Dispositions of Businesses” for additional information.
Schedule of Allowance for Doubtful Accounts
Changes in the net carrying amount of allowance for doubtful accounts are as follows (in millions):
Three Months Ended March 31,
20252024
Balance at beginning of period$75 $79 
Provision3 5 
Accounts written off, net of recoveries(5)(2)
Foreign currency translation and other1 (1)
Balance at end of period$74 $81 
Schedule of Other Current Assets
The components of Other current assets are as follows (in millions):
As ofMarch 31,
2025		December 31,
2024
Costs to fulfill contracts with customers (1)
$302 $424 
Prepaid expenses168 135 
Taxes receivable61 43 
Other (2)
167 157 
Total$698 $759 
(1)Refer to Note 3 “Revenue from Contracts with Customers” for further information.
(2)Includes $1 million as of December 31, 2024 that was previously classified as “Assets held for sale” within Aon’s Annual Report on Form 10-K filed February 18, 2025. The prior year balance has been reclassified to conform to current year presentation.
Schedule of Other Non-current Assets
The components of Other non-current assets are as follows (in millions):
As of March 31,
2025		December 31,
2024
Costs to obtain contracts with customers (1)
$208 $207 
Investments97 90 
Taxes receivable87 90 
Other (2) (3)
207 611 
Total$599 $998 
(1)Refer to Note 3 “Revenue from Contracts with Customers” for further information.
(2)Includes $9 million as of December 31, 2024 that was previously classified as “Leases” within Aon’s Annual Report on Form 10-K filed February 18, 2025. The prior year balance has been reclassified to conform to current year presentation.
(3)Includes $416 million as of December 31, 2024 of consideration paid into an escrow account related to the acquisition of Griffiths & Armour, which closed on January 1, 2025. Refer to Note 7 “Acquisitions and Dispositions of Businesses” for additional information.
Schedule of Other Current Liabilities
The components of Other current liabilities are as follows (in millions):
As ofMarch 31,
2025		December 31,
2024
Taxes payable$405 $260 
Deferred revenue (1)
361 280 
Leases189 191 
Contingent consideration62 93 
Other1,114 949 
Total
$2,131 $1,773 
(1)During the three months ended March 31, 2025, revenue of $230 million was recognized in the Condensed Consolidated Statements of Income. During the three months ended March 31, 2024, revenue of $179 million was recognized in the Condensed Consolidated Statements of Income.
Schedule of Other Non-current Liabilities
The components of Other non-current liabilities are as follows (in millions):
As ofMarch 31,
2025		December 31,
2024
Taxes payable $914 $885 
Contingent consideration140 104 
Compensation and benefits57 61 
Deferred revenue32 30 
Other96 64 
Total
$1,239 $1,144