v3.25.2
COMMITMENTS, CONTINGENCIES AND GUARANTEES, Commitments Narrative (Details)
$ in Millions
9 Months Ended
Jun. 30, 2025
USD ($)
commitment
Underwriting commitment  
Commitments [Line Items]  
Number of open underwriting commitments | commitment 3
Unfunded lending commitments  
Commitments [Line Items]  
Amount of commitment $ 15
Investment commitment  
Commitments [Line Items]  
Amount of commitment 95
Commitment to lend to RJTCF  
Commitments [Line Items]  
Amount of commitment $ 443
Number of days that investments in project partnerships are typically sold (in days) 90 days