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Derivative Financial Instruments (Tables)

6 Months Ended

Sep. 30, 2025

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions

Total gross notional amounts and fair values for currency derivatives with cash flow hedge accounting designation are as follows (in millions):

			As of September 30, 2025																		As of March 31, 2025
			Notional Amount						Fair Value												Notional Amount						Fair Value
									Asset						Liability												Asset						Liability
Forward contracts to purchase			$	355					$	7					$	2					$	463					$	4					$	7
Forward contracts to sell			$	2,063					$	3					$	83					$	1,970					$	20					$	16

Total gross notional amounts and fair values for currency derivatives that are not designated as hedging instruments are accounted for as follows (in millions):

			As of September 30, 2025																		As of March 31, 2025
			Notional Amount						Fair Value												Notional Amount						Fair Value
									Asset						Liability												Asset						Liability
Forward contracts to purchase			$	744					$	—					$	3					$	511					$	1					$	2
Forward contracts to sell			$	770					$	2					$	—					$	582					$	3					$	1

Derivative Instruments, Gain (Loss)

The effects of cash flow hedge accounting in our Condensed Consolidated Statements of Operations for the three and six months ended September 30, 2025 and 2024 are as follows (in millions):

			Three Months Ended September 30,																								Six Months Ended September 30,
			2025												2024												2025												2024
			Net revenue						Research and development						Net revenue						Research and development						Net revenue						Research and development						Net revenue						Research and development
Total amounts presented in our Condensed Consolidated Statements of Operations in which the effects of cash flow hedges are recorded			$	1,839					$	686					$	2,025					$	648					$	3,510					$	1,392					$	3,685					$	1,277
Gains (losses) on foreign currency forward contracts designated as cash flow hedges			$	(10)					$	2					$	(2)					$	(1)					$	(7)					$	2					$	5					$	(3)

The effect of foreign currency forward contracts not designated as hedging instruments in our Condensed Consolidated Statements of Operations for the three and six months ended September 30, 2025 and 2024 was as follows (in millions):

			Three Months Ended September 30,												Six Months Ended September 30,
			2025						2024						2025						2024
			Interest and other income (expense), net
Total amounts presented in our Condensed Consolidated Statements of Operations in which the effects of balance sheet hedges are recorded			$	(3)					$	15					$	(1)					$	45
Gains (losses) on foreign currency forward contracts not designated as hedging instruments			$	(3)					$	(3)					$	(19)					$	3

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- References

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- Definition

Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4CC
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E

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- Definition

Tabular disclosure of the notional amounts of outstanding derivative positions.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

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