- DefinitionDisclosure of components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, and gain or loss recognized due to settlements or curtailments.
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| Namespace Prefix: | aon |
| Data Type: | us-types:textBlockItemType |
| Balance Type: | na |
| Period Type: | duration |