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v3.25.1

Segment Information - Non-insurance Revenue from Customers (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |
Insurance Commissions and Fees | $ 346 | $ 333
Other Income | 22 | 19
Non-insurance revenues with customers | 366 | 352
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Other Income | 21 | 19
Operating Segments [Member] | P&C Business Insurance |  |
Segment Reporting Information [Line Items] |  |
Other Income | 1 | 0
Operating Segments [Member] | P&C Personal Insurance |  |
Segment Reporting Information [Line Items] |  |
Other Income | 20 | 19
Operating Segments [Member] | Employee Benefits [Member] |  |
Segment Reporting Information [Line Items] |  |
Other Income | 0 | 0
Operating Segments [Member] | Hartford Funds [Member] |  |
Segment Reporting Information [Line Items] |  |
Other Income | 0 | 0
Operating Segments [Member] | Installment billing fees [Member] | P&C Business Insurance |  |
Segment Reporting Information [Line Items] |  |
Insurance Commissions and Fees | 11 | 11
Operating Segments [Member] | Installment billing fees [Member] | P&C Personal Insurance |  |
Segment Reporting Information [Line Items] |  |
Insurance Commissions and Fees | 8 | 8
Operating Segments [Member] | Insurance servicing revenues | P&C Personal Insurance |  |
Segment Reporting Information [Line Items] |  |
Other Income | 20 | 19
Operating Segments [Member] | Administrative services | Employee Benefits [Member] |  |
Segment Reporting Information [Line Items] |  |
Insurance Commissions and Fees | 56 | 54
Operating Segments [Member] | Advisor, distribution and other management fees | Hartford Funds [Member] |  |
Segment Reporting Information [Line Items] |  |
Insurance Commissions and Fees | 260 | 250
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |
Segment Reporting Information [Line Items] |  |
Other Income | 1 | 0
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Investment management and other fees |  |
Segment Reporting Information [Line Items] |  |
Insurance Commissions and Fees | $ 11 | $ 10

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- Definition Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
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