Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Dec. 31, 2019

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Other Comprehensive Income (Loss)

The following table presents the net change in fair value recorded for each component of other comprehensive income (loss) before and after income tax for the periods indicated (dollars in millions):

	Three Months Ended December 31,
	2019								2018
	Before Tax			Tax Effect		Net of Tax			Before Tax		Tax Effect			Net of Tax
Investments available-for-sale:
Unrealized gain (loss)	$	(32	)	$	8	$	(24	)	$	16	$	(4	)	$	12
Cash flow hedging instruments:
Reclassification adjustment for portion of realized loss amortized to net income(1)	1			—		1			1		—			1
Other comprehensive income (loss)	$	(31	)	$	8	$	(23	)	$	17	$	(4	)	$	13

(1) The before tax reclassification amounts and the related tax effects are included in interest on borrowings and provision for income taxes, respectively, on the Condensed Consolidated Statements of Income.

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table presents after-tax changes in each component of accumulated other comprehensive income (loss) for the periods indicated (dollars in millions):

	Three Months Ended December 31,
	2019			2018
Investments available-for-sale:
Beginning balance	$	58		$	(7	)
Other comprehensive income (loss) before reclassifications	(24		)	12
Ending balance	$	34		$	5
Cash flow hedging instruments:
Beginning balance	$	(17	)	$	(20	)
Amounts reclassified from accumulated other comprehensive income (loss)	1			1
Ending balance	$	(16	)	$	(19	)
Total accumulated other comprehensive income (loss):
Beginning balance	$	41		$	(27	)
Current period change	(23		)	13
Ending balance	$	18		$	(14	)