XML 70 R60.htm IDEA: XBRL DOCUMENT v3.26.1
FAIR VALUE, Carrying Amounts and Estimated Fair Value of Financial Instruments not Recorded on Balance Sheet (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Sep. 30, 2025
Carrying amount    
Financial assets:    
Bank loans, net $ 56,048 $ 51,345
Financial liabilities:    
Bank deposits - certificates of deposit 3,326 1,937
Senior notes payable 3,522 3,520
Recurring | Total estimated fair value    
Financial assets:    
Bank loans, net 55,625 50,748
Financial liabilities:    
Bank deposits - certificates of deposit 3,312 1,943
Senior notes payable 3,216 3,299
Recurring | Level 2 | Total estimated fair value    
Financial assets:    
Bank loans, net 96 386
Financial liabilities:    
Bank deposits - certificates of deposit 3,312 1,943
Senior notes payable 3,216 3,299
Recurring | Level 3 | Total estimated fair value    
Financial assets:    
Bank loans, net 55,529 50,362
Financial liabilities:    
Bank deposits - certificates of deposit 0 0
Senior notes payable $ 0 $ 0