XML 58 R17.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Employee Benefits | 9 Months Ended
--- | ---
Sep. 30, 2015
Compensation and Retirement Disclosure [Abstract] |
Employee Benefits | Employee Benefits The following table provides the components of the net periodic (benefit) cost recognized in the Condensed Consolidated Statements of Income in Compensation and benefits for Aon's material U.K., U.S., and other significant international pension plans located in the Netherlands and Canada (in millions):
| Three months ended September 30,
| U.K. |  | U.S. |  | Other
| 2015 |  | 2014 |  | 2015 |  | 2014 |  | 2015 |  | 2014
Service cost | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Interest cost | 50 |  |  | 58 |  |  | 33 |  |  | 32 |  |  | 8 |  |  | 12 |
Expected return on plan assets | (77 | ) |  | (82 | ) |  | (38 | ) |  | (39 | ) |  | (12 | ) |  | (15 | )
Amortization of net actuarial loss | 11 |  |  | 13 |  |  | 14 |  |  | 11 |  |  | 2 |  |  | 2 |
Net periodic (benefit) cost | (16 | ) |  | (11 | ) |  | 9 |  |  | 4 |  |  | (2 | ) |  | (1 | )
Curtailment loss (gain) and other | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total net periodic (benefit) cost | $ | (16 | ) |  | $ | (11 | ) |  | $ | 9 |  |  | $ | 4 |  |  | $ | (2 | ) |  | $ | (1 | )
| Nine months ended September 30,
| U.K. |  | U.S. |  | Other
| 2015 |  | 2014 |  | 2015 |  | 2014 |  | 2015 |  | 2014
Service cost | $ | — |  |  | $ | — |  |  | $ | 2 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Interest cost | 149 |  |  | 174 |  |  | 99 |  |  | 96 |  |  | 25 |  |  | 36 |
Expected return on plan assets | (229 | ) |  | (247 | ) |  | (115 | ) |  | (117 | ) |  | (37 | ) |  | (45 | )
Amortization of net actuarial loss | 31 |  |  | 40 |  |  | 41 |  |  | 32 |  |  | 8 |  |  | 6 |
Net periodic (benefit) cost | (49 | ) |  | (33 | ) |  | 27 |  |  | 11 |  |  | (4 | ) |  | (3 | )
Curtailment (gain) loss and other | — |  |  | — |  |  | (1 | ) |  | 1 |  |  | — |  |  | (3 | )
Total net periodic (benefit) cost | $ | (49 | ) |  | $ | (33 | ) |  | $ | 26 |  |  | $ | 12 |  |  | $ | (4 | ) |  | $ | (6 | )
The Company expected to contribute approximately $65 million, $132 million, and $23 million, based on exchange rates as of December 31, 2014, to its material U.K., U.S., and other significant international pension plans, respectively, during 2015. During the three months ended September 30, 2015, contributions of $16 million, $41 million, and $3 million were made to the Company's material U.K., U.S., and other significant international pension plans, respectively. During the nine months ended September 30, 2015, contributions of $50 million, $103 million, and $11 million were made to the Company's material U.K., U.S., and other significant international pension plans, respectively. During the three months ended September 30, 2014, contributions of $24 million, $39 million, and $7 million were made to the Company's material U.K., U.S., and other significant international pension plans, respectively. During the nine months ended September 30, 2014, contributions of $145 million, $112 million, and $23 million were made to the Company's material U.K., U.S., and other significant international pension plans, respectively.

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

X
- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49170332&loc=SL14450702-114947 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2410-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39675-114964 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414199&loc=d3e39622-114963 + Details
Name: | us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration