Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Sep. 29, 2017	Sep. 30, 2016	Sep. 29, 2017	Sep. 30, 2016
Income Statement [Abstract]
Net revenues	$ 1,240	$ 979	$ 2,415	$ 1,863
Cost of revenues	262	210	519	359
Gross profit	978	769	1,896	1,504
Operating expenses:
Sales and marketing	434	338	867	629
Research and development	241	200	474	370
General and administrative	160	145	309	229
Amortization of intangible assets	55	34	114	48
Restructuring, transition and other	97	64	185	134
Total operating expenses	987	781	1,949	1,410
Operating income (loss)	(9)	(12)	(53)	94
Interest income	5	4	11	9
Interest expense	(57)	(52)	(141)	(79)
Other income (expense), net	(8)	10	(20)	23
Income (loss) from continuing operations before income taxes	(69)	(50)	(203)	47
Income tax expense (benefit)	(53)	19	(77)	50
Loss from continuing operations	(16)	(69)	(126)	(3)
Income (loss) from discontinued operations, net of income taxes	4	(75)	(19)	(6)
Net loss	$ (12)	$ (144)	$ (145)	$ (9)
Income (loss) per share - basic and diluted:
Continuing operations (in usd per share)	$ (0.03)	$ (0.11)	$ (0.21)	$ 0.00
Discontinued operations (in usd per share)	0.01	(0.12)	(0.03)	(0.01)
Net loss per share — basic and diluted (in usd per share)	$ (0.02)	$ (0.23)	$ (0.24)	$ (0.01)
Weighted-average shares outstanding:
Basic and diluted (in shares)	615	620	612	617
Cash dividends declared per common share (in usd per share)	$ 0.075	$ 0.075	$ 0.15	$ 0.15