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Commitments, Contingencies, Guarantees, and Others - Litigation (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2021 USD ($) claim
Loss Contingencies [Line Items] |
Loss contingency, estimate of possible loss | $ | $ 250
Cybersecurity Incident [Member] |
Loss Contingencies [Line Items] |
Number of consumer class action cases filed for Cybersecurity Incident | 73
Number of consumer class action cases currently pending for cybersecurity incident | 29
Penalty Paid to the US Treasury | $ | $ 80
Pending litigation | Interchange litigation |
Loss Contingencies [Line Items] |
Litigation settlement, attributable to reporting entity and third party | $ | $ 5,500
United States | Cybersecurity Incident [Member] |
Loss Contingencies [Line Items] |
Number of consumer class action cases filed for Cybersecurity Incident | 61
Canada | Cybersecurity Incident [Member] |
Loss Contingencies [Line Items] |
Number of consumer class action cases filed for Cybersecurity Incident | 12

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