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Claims, Lawsuits, and Other Contingencies - Legal Narrative (Details) - Pending Litigation £ in Millions, $ in Millions |  | 1 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 USD ($) | Apr. 30, 2021 GBP (£) plaintiff | Aug. 31, 2020 USD ($) plaintiff | Nov. 30, 2019 USD ($) defendant | Nov. 30, 2018 USD ($) | Apr. 27, 2018 USD ($) fund
Aon Hewitt Investment Consulting Inc |  |  |  |  |  |
Legal, Guarantees and Indemnifications |  |  |  |  |  |
Investment losses suffered by plaintiff |  |  |  |  |  | $ 200
Investment losses suffered by plaintiff, number of funds | fund |  |  |  |  |  | 8
Fatal Plain Crash In November 2016 |  |  |  |  |  |
Legal, Guarantees and Indemnifications |  |  |  |  |  |
Damages sought | $ 35 | £ 29 | $ 844 |  | $ 16 |
Number of defendants | defendant |  |  |  | 3 |  |
Damages sought option 1 |  |  |  | $ 300 |  |
Damages sought option 2 |  |  |  | 50 |  |
Damages sought option 3 |  |  |  | $ 25 |  |
Number of plaintiffs | plaintiff |  | 16 | 43 |  |  |

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