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Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Jul. 12, 2010
Jan. 20, 2026
Bickerstaff vs SunTrust Bank      
Other Commitments [Line Items]      
Damages sought $ 478 $ 452  
Contribution to settlement fund     $ 240
Maximum      
Other Commitments [Line Items]      
Reasonably possible losses in excess of amounts accrued $ 150