ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables)

9 Months Ended

Jun. 30, 2020

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table presents the net change in AOCI as well as the changes, and the related tax effects, of each component of AOCI.

$ in millions	Net investment hedges		Currency translations		Subtotal: net investment hedges and currency translations		Available- for-sale securities		Cash flow hedges		Total
Three months ended June 30, 2020
AOCI as of beginning of period	$	149	$	(191)	$	(42)	$	83	$	(52)	$	(11)
OCI:
OCI before reclassifications and taxes	(29)		32		3		7		(7)		3
Amounts reclassified from AOCI, before tax	—		—		—		—		2		2
Pre-tax net OCI	(29)		32		3		7		(5)		5
Income tax effect	8		—		8		(2)		1		7
OCI for the period, net of tax	(21)		32		11		5		(4)		12
AOCI as of end of period	$	128	$	(159)	$	(31)	$	88	$	(56)	$	1
Nine months ended June 30, 2020
AOCI as of beginning of period	$	110	$	(135)	$	(25)	$	21	$	(19)	$	(23)
OCI:
OCI before reclassifications and taxes	23		(24)		(1)		90		(51)		38
Amounts reclassified from AOCI, before tax	—		—		—		—		2		2
Pre-tax net OCI	23		(24)		(1)		90		(49)		40
Income tax effect	(5)		—		(5)		(23)		12		(16)
OCI for the period, net of tax	18		(24)		(6)		67		(37)		24
AOCI as of end of period	$	128	$	(159)	$	(31)	$	88	$	(56)	$	1
Three months ended June 30, 2019
AOCI as of beginning of period	$	114	$	(142)	$	(28)	$	(9)	$	12	$	(25)
OCI:
OCI before reclassifications and taxes	(16)		18		2		32		(24)		10
Amounts reclassified from AOCI, before tax	—		—		—		—		(1)		(1)
Pre-tax net OCI	(16)		18		2		32		(25)		9
Income tax effect	4		—		4		(8)		6		2
OCI for the period, net of tax	(12)		18		6		24		(19)		11
AOCI as of end of period	$	102	$	(124)	$	(22)	$	15	$	(7)	$	(14)
Nine months ended June 30, 2019
AOCI as of beginning of period	$	88	$	(111)	$	(23)	$	(46)	$	42	$	(27)
Cumulative effect of adoption of ASU 2016-01	—		—		—		(4)		—		(4)
OCI:
OCI before reclassifications and taxes	18		(13)		5		90		(64)		31
Amounts reclassified from AOCI, before tax	—		—		—		—		(4)		(4)
Pre-tax net OCI	18		(13)		5		90		(68)		27
Income tax effect	(4)		—		(4)		(25)		19		(10)
OCI for the period, net of tax	14		(13)		1		65		(49)		17
AOCI as of end of period	$	102	$	(124)	$	(22)	$	15	$	(7)	$	(14)