XML 40 R28.htm IDEA: XBRL DOCUMENT
v3.24.3

Other Financial Data (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2024
Other Financial Data [Abstract] |
Schedule of Other Income (Expense) | Other income (expense) consists of the following (in millions):
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
Gain from sales of businesses |  | $ | 76 |  |  | $ | — |  |  | $ | 333 |  |  | $ | — |
Equity earnings |  | 2 |  |  | 2 |  |  | 5 |  |  | 4 |
Extinguishment of debt |  | (1) |  |  | — |  |  | (7) |  |  | — |
Pension and other postretirement |  | (14) |  |  | (18) |  |  | (35) |  |  | (78) |
Foreign currency remeasurement |  | (30) |  |  | 8 |  |  | (21) |  |  | (48) |
Financial instruments and other (1) |  | 2 |  |  | (13) |  |  | 71 |  |  | 17 |
Total |  | $ | 35 |  |  | $ | (21) |  |  | $ | 346 |  |  | $ | (105) |
(1)During the three and nine months ended September 30, 2024, a $2 million and $84 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 September 30, |  | Nine Months Ended September 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
Balance at beginning of period |  | $ | 87 |  |  | $ | 83 |  |  | $ | 79 |  |  | $ | 76 |
Provision |  | 2 |  |  | 3 |  |  | 13 |  |  | 12 |
Accounts written off, net of recoveries |  | (6) |  |  | (2) |  |  | (8) |  |  | (5) |
Foreign currency translation and other |  | 2 |  |  | (2) |  |  | 1 |  |  | (1) |
Balance at end of period |  | $ | 85 |  |  | $ | 82 |  |  | $ | 85 |  |  | $ | 82 |
Schedule of Other Current Assets | The components of Other current assets are as follows (in millions):
As of | September 30, 2024 |  | December 31, 2023
Costs to fulfill contracts with customers (1) | 302 |  |  | 370 |
Prepaid expenses | 172 |  |  | 100 |
Taxes receivable | 77 |  |  | 35 |
Assets held for sale | — |  |  | 354 |
Other | 203 |  |  | 137 |
Total | $ | 754 |  |  | $ | 996 |
(1)Refer to Note 3 “Revenue from Contracts with Customers” for further information.
Schedule of Other Non-current Assets | The components of Other non-current assets are as follows (in millions):
As of | September 30, 2024 |  | December 31, 2023
Costs to obtain contracts with customers (1) | $ | 202 |  |  | $ | 195 |
Taxes receivable | 89 |  |  | 100 |
Investments | 87 |  |  | 45 |
Leases | 13 |  |  | 26 |
Other | 194 |  |  | 140 |
Total | $ | 585 |  |  | $ | 506 |
(1)Refer to Note 3 “Revenue from Contracts with Customers” for further information.
Schedule of Other Current Liabilities | The components of Other current liabilities are as follows (in millions):
As of | September 30, 2024 |  | December 31, 2023
Deferred revenue (1) | $ | 312 |  |  | $ | 270 |
Leases | 199 |  |  | 182 |
Taxes payable | 186 |  |  | 291 |
Contingent consideration | 111 |  |  | — |
Liabilities held for sale | — |  |  | 69 |
Other | 1,106 |  |  | 1,066 |
Total | $ | 1,914 |  |  | $ | 1,878 |
(1)During the three and nine months ended September 30, 2024, revenue of $240 million and $618 million, respectively, was recognized in the Condensed Consolidated Statements of Income. During the three and nine months ended September 30, 2023, revenue of $158 million and $494 million, respectively, 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 of | September 30, 2024 |  | December 31, 2023
Taxes payable (1) | $ | 872 |  |  | $ | 827 |
Contingent consideration | 135 |  |  | — |
Compensation and benefits | 70 |  |  | 59 |
Deferred revenue | 32 |  |  | 33 |
Leases | — |  |  | 10 |
Other | 69 |  |  | 145 |
Total | $ | 1,178 |  |  | $ | 1,074 |
(1)Includes $72 million for the non-current portion of the one-time mandatory transition tax on accumulated foreign earnings as of December 31, 2023.

X
- Definition Other Financial Data [Abstract] + References No definition available. + Details
Name: | aon_OtherFinancialDataAbstract
Namespace Prefix: | aon_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of other current liabilities. + References No definition available. + Details
Name: | us-gaap_OtherCurrentLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of other noncurrent liabilities. + References No definition available. + Details
Name: | us-gaap_OtherNoncurrentLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of noncurrent assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_ScheduleOfOtherAssetsNoncurrentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amounts of other current assets. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration