XML 27 R11.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Acquisitions and Dispositions | 12 Months Ended
--- | ---
Dec. 31, 2015
Business Combinations and Discontinued Operations and Disposal Groups [Abstract] |
Acquisitions and Dispositions | Acquisitions and Dispositions The number of acquisitions completed within each business segment is as follows:
Years ended December 31 | 2015 |  | 2014
Risk Solutions | 4 |  | 11
HR Solutions | 3 |  | 2
| 7 |  | 13
The following table includes the aggregate consideration transferred and the preliminary value of intangible assets recorded as a result of the Company's acquisitions (in millions):
Years ended December 31 | 2015 |  | 2014
Consideration | $ | 27 |  |  | $ | 461 |
Intangible assets: |  |  |
Goodwill | $ | 18 |  |  | $ | 292 |
Other intangible assets | 6 |  |  | 328 |
Total intangible assets | $ | 24 |  |  | $ | 620 |
The results of operations of these acquisitions are included in the Consolidated Financial Statements as of the acquisition date. The results of operations of the Company would not have been materially different if these acquisitions had been reported from the beginning of the period in which they were acquired. Dispositions The number of dispositions completed within each business segment is as follows:
Years ended December 31 | 2015 |  | 2014 |  | 2013
Risk Solutions | 4 |  | 2 |  |  | 7
HR Solutions | 3 |  | — |  |  | 2
| 7 |  | 2 |  |  | 9
Total pretax gains, net of losses, recognized were $82 million, $24 million, and $10 million, respectively, for the years ended December 31, 2015, 2014, and 2013. Gains and losses recognized as a result of a disposition are included in Other income in the Consolidated Statements of Income.

X
- Definition Business Combinations and Discontinued Operations and Disposal Groups [Abstract] + References No definition available. + Details
Name: | aon_BusinessCombinationsandDiscontinuedOperationsandDisposalGroupsAbstract
Namespace Prefix: | aon_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for business combinations, including leverage buyout transactions (as applicable), and divestitures. This may include a description of a business combination or divestiture (or series of individually immaterial business combinations or divestitures) completed during the period, including background, timing, and assets and liabilities recognized and reclassified or sold. This element does not include fixed asset sales and plant closings. + References No definition available. + Details
Name: | us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration