Net Income Per Share (Schedule of Components of Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended
		Jun. 29, 2018	Jun. 30, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Loss from continuing operations		$ (65)	$ (110)
Income (loss) from discontinued operations, net of income taxes		5	(23)
Net loss		$ (60)	$ (133)
Income (loss) per share - basic and diluted:
Continuing operations (in dollars per share)		$ (0.10)	$ (0.18)
Discontinued operations (in dollars per share)		0.01	(0.04)
Net loss per share - basic and diluted (in dollars per share)	[1]	$ (0.10)	$ (0.22)
Weighted-average shares outstanding - basic and diluted (in shares)		624	609
Anti-dilutive shares excluded from diluted net income per share calculation (in shares)		146	144
Convertible debt
Income (loss) per share - basic and diluted:
Anti-dilutive shares excluded from diluted net income per share calculation (in shares)		91	91
Employee equity awards
Income (loss) per share - basic and diluted:
Anti-dilutive shares excluded from diluted net income per share calculation (in shares)		55	53

[1] Net loss per share amounts may not add due to rounding.