XML 57 R34.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Accelerating Aon United Program (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Restructuring and Related Activities [Abstract] |
Schedule of Program Costs Incurred | Total Program costs incurred for the years ended December 31, 2024 and 2023 are as follows (in millions):
|  | Years Ended December 31
|  | 2024 |  | 2023
Risk Capital |  | $ | 114 |  |  | $ | 57 |
Human Capital |  | 27 |  |  | 23 |
Corporate |  | 248 |  |  | 55 |
Total |  | $ | 389 |  |  | $ | 135 |
Schedule of restructuring liabilities for the program | The changes in the Company’s liabilities for the Program as of December 31, 2024 are as follows (in millions):
| Technology and other |  | Workforce optimization |  | Asset impairments |  | Total
Liability balance as of January 1, 2024 | $ | 14 |  |  | $ | 86 |  |  | $ | — |  |  | $ | 100 |
Charges | 126 |  |  | 197 |  |  | 66 |  |  | 389 |
Cash payments | (96) |  |  | (172) |  |  | — |  |  | (268) |
Foreign currency translation and other | — |  |  | (3) |  |  | — |  |  | (3) |
Non-cash charges (1) | (27) |  |  | (11) |  |  | (66) |  |  | (104) |
Liability balance as of December 31, 2024 | $ | 17 |  |  | $ | 97 |  |  | $ | — |  |  | $ | 114 |
Total costs incurred from inception to date | $ | 140 |  |  | $ | 300 |  |  | $ | 84 |  |  | $ | 524 |
(1)For the year ended December 31, 2024, the Company recognized $27 million of accelerated ROU asset amortization or impairments due to the Company’s decision to exit certain leased properties as a result of the Program. The amounts are presented in Technology and other, where the corresponding liability is reflected within Other current liabilities and Non-current operating lease liabilities, which will ultimately be settled in cash.

X
- References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
Name: | us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
Name: | us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration