Accumulated Other Comprehensive Income

12 Months Ended

Mar. 31, 2021

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

(6) ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The changes in accumulated other comprehensive income (loss) by component, net of tax, for the fiscal years ended March 31, 2021, 2020 and 2019 are as follows (in millions):


	Unrealized Net Gains (Losses) on Available-for-Sale Securities		Unrealized Net Gains (Losses) on Derivative Instruments		Foreign Currency Translation Adjustments		Total
Balances as of March 31, 2018	$	(8)	$	(89)	$	(30)	$	(127)
Cumulative-effect adjustment from the adoption of ASC 606	—		22		—		22
Cumulative-effect adjustment from the adoption of ASU 2018-02	—		1		—		1
Balances as of April 1, 2018	$	(8)	$	(66)	$	(30)	$	(104)
Other comprehensive income (loss) before reclassifications	6		96		(21)		81
Amounts reclassified from accumulated other comprehensive income (loss)	1		(8)		—		(7)
Total other comprehensive income (loss), net of tax	7		88		(21)		74
Balances as of March 31, 2019	$	(1)	$	22	$	(51)	$	(30)
Other comprehensive income (loss) before reclassifications	(1)		79		(34)		44
Amounts reclassified from accumulated other comprehensive income (loss)	(2)		(62)		—		(64)
Total other comprehensive income (loss), net of tax	(3)		17		(34)		(20)
Balances as of March 31, 2020	$	(4)	$	39	$	(85)	$	(50)
Other comprehensive income (loss) before reclassifications	5		(94)		64		(25)
Amounts reclassified from accumulated other comprehensive income (loss)	(1)		26		—		25
Total other comprehensive income (loss), net of tax	4		(68)		64		—
Balances as of March 31, 2021	$	—	$	(29)	$	(21)	$	(50)

The effects on net income of amounts reclassified from accumulated other comprehensive income (loss) for the fiscal years ended March 31, 2021, 2020 and 2019 were as follows (in millions):


Statement of Operations Classification	Amount Reclassified From Accumulated Other Comprehensive Income (Loss)
	Year Ended March 31,
	2021		2020		2019
(Gains) losses on available-for-sale securities:

Interest and other income (expense), net	$	(1)	$	(2)	$	1
Total, net of tax	(1)		(2)		1

(Gains) losses on foreign currency forward contracts designated as cash flow hedges
Net revenue	30		(71)		(18)
Research and development	(4)		9		10
Total, net of tax	26		(62)		(8)





Total net (gain) loss reclassified, net of tax	$	25	$	(64)	$	(7)