Rendering

Component: (Network and Table)
Network
2407402 - Disclosure - Goodwill and Other Intangible Assets - Schedule of changes in the net carrying amount of goodwill by operating segment (Details)
(http://www.aon.com/role/GoodwillAndOtherIntangibleAssetsScheduleOfChangesInNetCarryingAmountOfGoodwillByOperatingSegmentDetails)
TableSchedule of Goodwill [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000315293 (http://www.sec.gov/CIK)
Goodwill [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
Segments [Axis]Segments [Axis]
Risk SolutionsHR SolutionsSegments [Domain]Risk SolutionsHR SolutionsSegments [Domain]
Changes in the net carrying amount of goodwill by operating segment (in millions)
 
 
 
 
 
 
Balance at the beginning of the period
5,593,000,000  
2,855,000,000  
8,448,000,000  
5,911,000,000  
2,949,000,000  
8,860,000,000  
Goodwill related to current year acquisitions
632,000,000  
10,000,000  
642,000,000  
2,000,000  
16,000,000  
18,000,000  
Goodwill related to disposals
(8,000,000) 
(26,000,000) 
(34,000,000) 
(1,000,000) 
(76,000,000) 
(77,000,000) 
Goodwill related to prior year acquisitions
4,000,000  
0  
4,000,000  
0  
0  
0  
Foreign currency translation
(268,000,000) 
(45,000,000) 
(313,000,000) 
(319,000,000) 
(34,000,000) 
(353,000,000) 
Balance at the end of the period
5,953,000,000  
 
2,794,000,000  
 
8,747,000,000  
 
5,593,000,000  
 
2,855,000,000  
 
8,448,000,000