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Liability for Unpaid Claims and CAE Liability for Unpaid Claims (Tables) | 3 Months Ended
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Mar. 31, 2018
Insurance [Abstract] |
Schedule of Liability for Unpaid Claims and Claims Adjustment Expense | Changes in the liability for unpaid claims and claim adjustment expenses are as follows:
| 2018 |  | 2017
| (in millions of dollars)
Balance at January 1 | $ | 23,222.0 |  |  | $ | 23,249.5 |
Less Reinsurance Recoverable | 2,182.0 |  |  | 2,163.6 |
Net Balance at January 1 | 21,040.0 |  |  | 21,085.9 |
Incurred Related to |  |  |
Current Year | 1,543.1 |  |  | 1,489.8 |
Prior Years |  |  |
Interest | 283.6 |  |  | 295.7 |
All Other Incurred | (192.0 | ) |  | (184.8 | )
Foreign Currency | 72.2 |  |  | 29.8 |
Total Incurred | 1,706.9 |  |  | 1,630.5 |
Paid Related to |  |  |
Current Year | (322.0 | ) |  | (283.9 | )
Prior Years | (1,400.4 | ) |  | (1,369.3 | )
Total Paid | (1,722.4 | ) |  | (1,653.2 | )
Net Balance at March 31 | 21,024.5 |  |  | 21,063.2 |
Plus Reinsurance Recoverable | 2,184.1 |  |  | 2,139.1 |
Balance at March 31 | $ | 23,208.6 |  |  | $ | 23,202.3 |
Reconciliation of Policy and Contract Benefits and Reserves for Future Policy and Contract Benefits to Balance Sheet Amounts | A reconciliation of policy and contract benefits and reserves for future policy and contract benefits as reported in our consolidated balance sheets to the liability for unpaid claims and claim adjustment expenses is as follows:
| March 31
| 2018 |  | 2017
| (in millions of dollars)
Policy and Contract Benefits | $ | 1,623.1 |  |  | $ | 1,544.8 |
Reserves for Future Policy and Contract Benefits | 44,668.5 |  |  | 44,502.2 |
Total | 46,291.6 |  |  | 46,047.0 |
Less: |  |  |
Life Reserves for Future Policy and Contract Benefits | 8,278.7 |  |  | 8,105.7 |
Accident and Health Active Life Reserves | 10,774.2 |  |  | 10,271.7 |
Adjustment Related to Unrealized Investment Gains and Losses | 4,030.1 |  |  | 4,467.3 |
Liability for Unpaid Claims and Claim Adjustment Expenses | $ | 23,208.6 |  |  | $ | 23,202.3 |
The adjustment related to unrealized investment gains and losses reflects the changes that would be necessary to policyholder liabilities if the unrealized investment gains and losses related to the corresponding available-for-sale securities had been realized. Changes in this adjustment are reported as a component of other comprehensive income or loss.

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- Definition [Table Text Block] for Reconciliation of Policy and Contract Benefits and Reserves for Future Policy and Contract Benefits to Balance Sheet Amounts [Table] + References No definition available. + Details
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- Definition Tabular disclosure of the activity in the reserve for settling insured claims and expenses incurred in the claims settlement process for the period. The estimated liability includes the amount of money that will be required for future payments of (a) claims that have been reported to the insurer, (b) claims related to insured events that have occurred but that have not been reported to the insurer as of the date the liability is estimated, and (c) claim adjustment expenses. Claim adjustment expenses include costs incurred in the claim settlement process such as legal fees; outside adjuster fees; and costs to record, process, and adjust claims. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437 + Details
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