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v3.19.3.a.u2

Segment Information - Non-insurance Revenue from Customers (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |  |
Fee income | $ 1,301 | $ 1,313 | $ 1,168
Other Income | 170 | 105 | 85
Revenue from Contract with Customer, Excluding Assessed Tax | 1,404 | 1,418 | 1,253
Installment billing fees [Member] | Operating Segments | Property and Casualty, Commercial Insurance [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Fee income | 35 | 34 | 37
Installment billing fees [Member] | Operating Segments | Property and Casualty, Personal Insurance [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Fee income | 37 | 40 | 44
Insurance servicing fees [Member] | Operating Segments | Property and Casualty, Personal Insurance [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Other Income | 83 | 84 | 85
Administrative services fees [Member] | Operating Segments | Group Benefits |  |  |
Segment Reporting Information [Line Items] |  |  |
Fee income | 180 | 175 | 91
Advisor, distribution and other management fees [Member] | Operating Segments | Mutual Fund [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Fee income | 911 | 947 | 897
Other fees [Member] | Operating Segments | Mutual Fund [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Fee income | 88 | 85 | 95
Investment management and other fees [Member] | Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Fee income | 50 | 32 | 4
Transition service fees [Member] | Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Other Income | $ 20 | $ 21 | $ 0

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