Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Sep. 28, 2018	Sep. 29, 2017	Sep. 28, 2018	Sep. 29, 2017
Income Statement [Abstract]
Net revenues	$ 1,175	$ 1,240	$ 2,331	$ 2,415
Cost of revenues	256	262	505	519
Gross profit	919	978	1,826	1,896
Operating expenses:
Sales and marketing	365	434	751	867
Research and development	231	241	468	474
General and administrative	114	160	247	309
Amortization of intangible assets	51	55	104	114
Restructuring, transition and other costs	56	97	152	185
Total operating expenses	817	987	1,722	1,949
Operating income (loss)	102	(9)	104	(53)
Interest expense	(52)	(57)	(104)	(141)
Other expense, net	(22)	(3)	(41)	(9)
Income (loss) from continuing operations before income taxes	28	(69)	(41)	(203)
Income tax expense (benefit)	36	(53)	32	(77)
Loss from continuing operations	(8)	(16)	(73)	(126)
Income (loss) from discontinued operations, net of income taxes	0	4	5	(19)
Net loss	$ (8)	$ (12)	$ (68)	$ (145)
Income (loss) per share - basic and diluted:
Continuing operations (in dollars per share)	$ (0.01)	$ (0.03)	$ (0.12)	$ (0.21)
Discontinued operations (in dollars per share)	0.00	0.01	0.01	(0.03)
Net loss per share - basic and diluted (in dollars per share)	$ (0.01)	$ (0.02)	$ (0.11)	$ (0.24)
Weighted-average shares outstanding - basic and diluted
Weighted-average shares outstanding - basic and diluted (in shares)	630	615	627	612
Cash dividends declared per common share (in dollars per share)	$ 0.075	$ 0.075	$ 0.15	$ 0.15