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v3.22.2.2

Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Nov. 30, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |
Carrying value of investment | $ 222 |  | $ 222 |  | $ 207 |
Equity securities | 17 |  | 17 |  | 75 |
Gain on equity securities |  |  | 11 | $ 3 |  |
Equity investments without readily determinable market value | 38 |  | 38 |  | $ 36 |
Proceeds from sale of other investments | 62 |  |  |  |  |
Loss on sale of other investments | (4) |  |  |  |  |
Marsh India Insurance Brokers Limited |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |
Percentage of ownership in equity investment |  |  |  |  | 92.00% | 49.00%
Private Insurance and Consulting |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |
Carrying value of investment | 57 |  | 57 |  | $ 58 |
Private Equity Funds |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |
Carrying value of investment | 165 |  | 165 |  | $ 149 |
Equity method income | $ 3 | $ 13 | 23 | $ 40 |  |
Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |
Proceeds from contingent purchase consideration, asset |  |  | $ 3 |  |  |
Minimum |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |
Revenue target period (in years) |  |  | 2 years | 2 years |  |
Maximum |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |
Revenue target period (in years) |  |  | 4 years | 4 years |  |

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