- DefinitionOverseas deposits are excluded from the fair value hierarchy because their fair value is recorded using the net asset value per share (or equivalent) practical experiment, which can be redeemed at net asset value in 90 days or less.
| Name: |
cna_OtherInvestedAssetsOverseasDeposit |
| Namespace Prefix: |
cna_ |
| Data Type: |
xbrli:monetaryItemType |
| Balance Type: |
debit |
| Period Type: |
instant |