GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS, NET (Tables)

12 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill and Net Identifiable Intangible Asset Balances

The following table presents our goodwill and net identifiable intangible asset balances as of the dates indicated.

	September 30,
$ in millions	2021		2020
Goodwill	$	660	$	466
Identifiable intangible assets, net	222		134
Total goodwill and identifiable intangible assets, net	$	882	$	600

Schedule of Goodwill Balance and Activity

The following table summarizes our goodwill by segment and the balances and activity for the years indicated.

$ in millions	Private Client Group		Capital Markets		Asset Management		Total
Year ended September 30, 2021
Goodwill as of beginning of year	$	277	$	120	$	69	$	466
Additions	139		54		—		193
Foreign currency translations	1		—		—		1
Goodwill as of end of year	$	417	$	174	$	69	$	660
Year ended September 30, 2020
Goodwill as of beginning of year	$	275	$	120	$	69	$	464
Foreign currency translations	2		—		—		2
Goodwill as of end of year	$	277	$	120	$	69	$	466

Schedule of Finite-Lived Intangible Assets Balance and Activity

The following table sets forth our identifiable intangible asset balances by segment, net of accumulated amortization, and activity for the years indicated.

$ in millions	Private Client Group		Capital Markets		Asset Management		Total
Year ended September 30, 2021
Net identifiable intangible assets as of beginning of year	$	31	$	13	$	90	$	134
Additions	96		13		—		109
Amortization expense	(7)		(9)		(5)		(21)
Net identifiable intangible assets as of end of year	$	120	$	17	$	85	$	222
Year ended September 30, 2020
Net identifiable intangible assets as of beginning of year	$	35	$	17	$	95	$	147
Amortization expense	(4)		(4)		(5)		(13)
Net identifiable intangible assets as of end of year	$	31	$	13	$	90	$	134

Schedule of Indefinite-lived Intangible Assets by Major Class

The following table summarizes our identifiable intangible assets by type.

	September 30,
	2021				2020
$ in millions	Gross carrying value		Accumulated amortization		Gross carrying value		Accumulated amortization
Customer relationships	$	238	$	(79)	$	134	$	(61)
Non-amortizing customer relationships	52		—		52		—
Trade name	12		(5)		10		(4)
Seller relationship agreements	4		(3)		4		(2)
Other	6		(3)		6		(5)
Total	$	312	$	(90)	$	206	$	(72)

Schedule of Finite-Lived Intangible Assets by Major Class

The following table summarizes our identifiable intangible assets by type.

	September 30,
	2021				2020
$ in millions	Gross carrying value		Accumulated amortization		Gross carrying value		Accumulated amortization
Customer relationships	$	238	$	(79)	$	134	$	(61)
Non-amortizing customer relationships	52		—		52		—
Trade name	12		(5)		10		(4)
Seller relationship agreements	4		(3)		4		(2)
Other	6		(3)		6		(5)
Total	$	312	$	(90)	$	206	$	(72)

Schedule of Projected Amortization Expense

The following table sets forth the projected amortization expense by fiscal year associated with our identifiable intangible assets with finite lives.

Fiscal year ended September 30,	$ in millions
2022	$	22
2023	15
2024	14
2025	13
2026	10
Thereafter	96
Total	$	170