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PROPERTY AND EQUIPMENT, NET
 12 Months Ended
Sep. 30, 2024
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT, NET PROPERTY AND EQUIPMENT, NET
The following table presents the components of our property and equipment, net as of the dates indicated.
September 30,
20242023
$ in millionsGross
carrying value		Accumulated
 depreciation/
software
 amortization		Property and
equipment, net		Gross
carrying value		Accumulated depreciation/
software
 amortization		Property and
 equipment, net
Land$30 $— $30 $30 $— $30 
Software, including development in progress870 (568)302 758 (491)267 
Buildings, building components, leasehold and land improvements465 (263)202 436 (256)180 
Furniture, fixtures and equipment456 (355)101 407 (323)84 
Total$1,821 $(1,186)$635 $1,631 $(1,070)$561 

Depreciation expense associated with property and equipment was $58 million, $51 million, and $50 million for the years ended September 30, 2024, 2023, and 2022, respectively, and is included in “Occupancy and equipment” expense on our Consolidated Statements of Income and Comprehensive Income. Amortization expense associated with computer software was $77 million, $69 million, and $62 million for the years ended September 30, 2024, 2023, and 2022, respectively, and is included in “Communications and information processing” expense on our Consolidated Statements of Income and Comprehensive Income. We also incur software licensing fees, which are included in “Communications and information processing” expense on our Consolidated Statements of Income and Comprehensive Income.