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Schedule III Supplementary Insurance Information Level 4 (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Schedule of Supplementary Insurance Information [Abstract] |  |  |
Supplementary Insurance Information, Deferred Policy Acquisition Costs | $ 1,711 | $ 1,816 |
Liability for Claims and Claims Adjustment Expense | 27,605 | 27,713 |
Liability for Future Policy Benefits | 13,929 | 13,859 |
Unearned Premiums | 5,499 | 5,385 |
Other Policyholder Funds and Benefits Payable | 31,176 | 31,670 |
Earned Premiums, Fee Income and Other | 15,607 | 15,503 | $ 15,444
Net Investment Income (Loss) | 2,961 | 3,030 | 3,154
Benefits, Losses and Loss Adjustment Expenses | 11,351 | 10,775 | 10,805
Amortization of Deferred Policy Acquisition Costs and Present Value of Future Profits | 1,523 | 1,502 | 1,729
Net Written Premiums | 10,568 | 10,578 | 10,244
Insurance Operating Costs and Other Expenses | 4,622 | 4,122 | 4,381
Property & Casualty Commercial [Member] |  |  |
Schedule of Supplementary Insurance Information [Abstract] |  |  |
Supplementary Insurance Information, Deferred Policy Acquisition Costs | 448 | 435 |
Liability for Claims and Claims Adjustment Expense | 17,238 | 16,559 |
Liability for Future Policy Benefits | 0 | 0 |
Unearned Premiums | 3,441 | 3,271 |
Other Policyholder Funds and Benefits Payable | 0 | 0 |
Earned Premiums, Fee Income and Other | 6,737 | 6,598 | 6,402
Net Investment Income (Loss) | 917 | 910 | 958
Benefits, Losses and Loss Adjustment Expenses | 3,994 | 3,886 | 3,855
Amortization of Deferred Policy Acquisition Costs and Present Value of Future Profits | 973 | 951 | 919
Net Written Premiums | 6,732 | 6,625 | 6,381
Insurance Operating Costs and Other Expenses | 1,271 | 1,260 | 1,194
Property and Casualty, Personal Insurance Product Line [Member] |  |  |
Schedule of Supplementary Insurance Information [Abstract] |  |  |
Supplementary Insurance Information, Deferred Policy Acquisition Costs | 143 | 155 |
Liability for Claims and Claims Adjustment Expense | 2,094 | 1,845 |
Liability for Future Policy Benefits | 0 | 0 |
Unearned Premiums | 1,898 | 1,959 |
Other Policyholder Funds and Benefits Payable | 0 | 0 |
Earned Premiums, Fee Income and Other | 3,898 | 3,873 | 3,806
Net Investment Income (Loss) | 135 | 128 | 129
Benefits, Losses and Loss Adjustment Expenses | 3,175 | 2,768 | 2,684
Amortization of Deferred Policy Acquisition Costs and Present Value of Future Profits | 348 | 359 | 348
Net Written Premiums | 3,837 | 3,918 | 3,861
Insurance Operating Costs and Other Expenses | 564 | 609 | 599
Other Insurance Product Line [Member] |  |  |
Schedule of Supplementary Insurance Information [Abstract] |  |  |
Supplementary Insurance Information, Deferred Policy Acquisition Costs | 0 | 0 |
Liability for Claims and Claims Adjustment Expense | 2,501 | 3,421 |
Liability for Future Policy Benefits | 0 | 0 |
Unearned Premiums | 11 | 3 |
Other Policyholder Funds and Benefits Payable | 0 | 0 |
Earned Premiums, Fee Income and Other | 0 | 32 | 1
Net Investment Income (Loss) | 127 | 133 | 129
Benefits, Losses and Loss Adjustment Expenses | 278 | 243 | 261
Amortization of Deferred Policy Acquisition Costs and Present Value of Future Profits | 0 | 0 | 0
Net Written Premiums | (1) | 35 | 2
Insurance Operating Costs and Other Expenses | 663 | 25 | 31
Group Benefits [Member] |  |  |
Schedule of Supplementary Insurance Information [Abstract] |  |  |
Supplementary Insurance Information, Deferred Policy Acquisition Costs | 42 | 35 |
Liability for Claims and Claims Adjustment Expense | 5,772 | 5,888 |
Liability for Future Policy Benefits | 322 | 491 |
Unearned Premiums | 42 | 43 |
Other Policyholder Funds and Benefits Payable | 602 | 495 |
Earned Premiums, Fee Income and Other | 3,223 | 3,136 | 3,095
Net Investment Income (Loss) | 366 | 371 | 374
Benefits, Losses and Loss Adjustment Expenses | 2,514 | 2,427 | 2,362
Amortization of Deferred Policy Acquisition Costs and Present Value of Future Profits | 31 | 31 | 32
Net Written Premiums | 0 | 0 | 0
Insurance Operating Costs and Other Expenses | 776 | 788 | 836
Mutual Funds [Member] |  |  |
Schedule of Supplementary Insurance Information [Abstract] |  |  |
Supplementary Insurance Information, Deferred Policy Acquisition Costs | 12 | 11 |
Liability for Claims and Claims Adjustment Expense | 0 | 0 |
Liability for Future Policy Benefits | 0 | 0 |
Unearned Premiums | 0 | 0 |
Other Policyholder Funds and Benefits Payable | 0 | 0 |
Earned Premiums, Fee Income and Other | 701 | 723 | 723
Net Investment Income (Loss) | 1 | 1 | 0
Benefits, Losses and Loss Adjustment Expenses | 0 | 0 | 0
Amortization of Deferred Policy Acquisition Costs and Present Value of Future Profits | 24 | 22 | 28
Net Written Premiums | 0 | 0 | 0
Insurance Operating Costs and Other Expenses | 557 | 568 | 559
Talcott Resolution [Member] |  |  |
Schedule of Supplementary Insurance Information [Abstract] |  |  |
Supplementary Insurance Information, Deferred Policy Acquisition Costs | 1,066 | 1,180 |
Liability for Claims and Claims Adjustment Expense | 0 | 0 |
Liability for Future Policy Benefits | 13,607 | 13,368 |
Unearned Premiums | 107 | 109 |
Other Policyholder Funds and Benefits Payable | 30,574 | 31,175 |
Earned Premiums, Fee Income and Other | 1,044 | 1,133 | 1,407
Net Investment Income (Loss) | 1,384 | 1,470 | 1,542
Benefits, Losses and Loss Adjustment Expenses | 1,390 | 1,451 | 1,643
Amortization of Deferred Policy Acquisition Costs and Present Value of Future Profits | 147 | 139 | 402
Net Written Premiums | 0 | 0 | 0
Insurance Operating Costs and Other Expenses | 438 | 441 | 544
Corporate [Member] |  |  |
Schedule of Supplementary Insurance Information [Abstract] |  |  |
Supplementary Insurance Information, Deferred Policy Acquisition Costs | 0 | 0 |
Liability for Claims and Claims Adjustment Expense | 0 | 0 |
Liability for Future Policy Benefits | 0 | 0 |
Unearned Premiums | 0 | 0 |
Other Policyholder Funds and Benefits Payable | 0 | 0 |
Earned Premiums, Fee Income and Other | 4 | 8 | 10
Net Investment Income (Loss) | 31 | 17 | 22
Benefits, Losses and Loss Adjustment Expenses | 0 | 0 | 0
Amortization of Deferred Policy Acquisition Costs and Present Value of Future Profits | 0 | 0 | 0
Net Written Premiums | 0 | 0 | 0
Insurance Operating Costs and Other Expenses | $ 353 | $ 431 | $ 618

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- Definition The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437 + Details
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