Goodwill (Tables)

12 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Changes In The Carrying Amount Of Goodwill

The changes in the carrying amount of goodwill for the fiscal year ended March 31, 2019 are as follows (in millions):

	As of March 31, 2018			Activity		Effects of Foreign Currency Translation			As of March 31, 2019
Goodwill	$	2,251		$	14	$	(5	)	$	2,260
Accumulated impairment	(368		)	—		—			(368		)
Total	$	1,883		$	14	$	(5	)	$	1,892

The changes in the carrying amount of goodwill for the fiscal year ended March 31, 2018 are as follows (in millions):

	As of March 31, 2017			Activity		Effects of Foreign Currency Translation		As of March 31, 2018
Goodwill	$	2,075		$	171	$	5	$	2,251
Accumulated impairment	(368		)	—		—		(368		)
Total	$	1,707		$	171	$	5	$	1,883

Schedule Of Acquisition-Related Intangibles

Acquisition-related intangibles, consisted of the following (in millions):

	As of March 31, 2019							As of March 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Acquisition- Related Intangibles, Net		Gross Carrying Amount		Accumulated Amortization			Acquisition- Related Intangibles, Net
Developed and core technology	$	469	$	(427	)	$	42	$	417	$	(414	)	$	3
Trade names and trademarks	161		(121		)	40		161		(107		)	54
Registered user base and other intangibles	5		(5		)	—		5		(5		)	—
Carrier contracts and related	85		(85		)	—		85		(85		)	—
In-process research and development	5		—			5		14		—			14
Total	$	725	$	(638	)	$	87	$	682	$	(611	)	$	71

The fair value of acquisition-related intangible assets acquired in the GameFly Cloud Gaming acquisition during the three months ended June 30, 2018 was $43 million, all of which was allocated to developed and core technology, and has a useful life of approximately 4.0 years.

Schedule Of Amortization Of Intangible Assets

Amortization of intangibles for the fiscal years ended March 31, 2019, 2018 and 2017 are classified in the Consolidated Statements of Operations as follows (in millions):

	Year Ended March 31,
	2019		2018		2017
Cost of service and other	$	1	$	—	$	16
Cost of product	3		2		27
Operating expenses	23		9		6
Total	$	27	$	11	$	49

Schedule Of Future Amortization Of Acquisition-Related Intangibles

As of March 31, 2019, future amortization of finite-lived acquisition-related intangibles that will be recorded in the Consolidated Statements of Operations is estimated as follows (in millions):

Fiscal Year Ending March 31,
2020	$	30
2021	22
2022	22
2023	8
2024	—
Thereafter	—
Total	$	82