Goodwill And Acquisition-Related Intangibles, Net (Tables)

3 Months Ended

Jun. 30, 2018

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 three months ended June 30, 2018 are as follows (in millions):

	As of March 31, 2018			Activity		Effects of Foreign Currency Translation			As of June 30, 2018
Goodwill	$	2,251		$	7	$	(4	)	$	2,254
Accumulated impairment	(368		)	—		—			(368		)
Total	$	1,883		$	7	$	(4	)	$	1,886

Schedule Of Acquisition-Related Intangibles

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

	As of June 30, 2018							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	$	460	$	(417	)	$	43	$	417	$	(414	)	$	3
Trade names and trademarks	161		(111		)	50		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	14		—			14		14		—			14
Total	$	725	$	(618	)	$	107	$	682	$	(611	)	$	71

Schedule Of Amoritization Of Intangibles

Amortization of intangibles for the three months ended June 30, 2018 are classified in the Condensed Consolidated Statement of Operations as follows (in millions):

	Three Months Ended June 30,
	2018		2017
Cost of service and other revenue	$	—	$	—
Cost of product revenue	1		—
Operating expenses	6		1
Total	$	7	$	1

Schedule Of Future Amortization Of Acquisition-Related Intangibles

As of June 30, 2018, future amortization of finite-lived acquisition-related intangibles that will be recorded in the Condensed Consolidated Statement of Operations is estimated as follows (in millions):

Fiscal Year Ending March 31,
2019 (remaining nine months)	$	19
2020	22
2021	22
2022	22
2023	8
Thereafter	—
Total	$	93