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Commitments, Contingencies, Guarantees and Others - Litigation (Details) $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 USD ($) | Sep. 30, 2025 USD ($) claim | Feb. 25, 2025 claim
Loss Contingencies [Line Items] |  |  |
Loss contingency, estimate of possible loss |  | $ 300 |
Litigation settlement, loss | $ 5,500 |  |
Cybersecurity Incident |  |  |
Loss Contingencies [Line Items] |  |  |
Number of consumer class action cases filed for cybersecurity incident | claim |  | 4 | 2

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