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		9 Months Ended
		Dec. 28, 2018	Dec. 29, 2017	Dec. 28, 2018	Dec. 29, 2017
Earnings Per Share [Abstract]
Income (loss) from continuing operations		$ 59	$ 1,311	$ (14)	$ 1,185
Income from discontinued operations, net of income taxes		6	31	11	12
Net income (loss)		$ 65	$ 1,342	$ (3)	$ 1,197
Income (loss) per share - basic:
Continuing operations (in dollars per share)		$ 0.09	$ 2.12	$ (0.02)	$ 1.93
Discontinued operations (in dollars per share)		0.01	0.05	0.02	0.02
Net income (loss) per share - basic		0.10	2.17	0.00	1.95
Income (loss) per share - diluted:
Continuing operations (in dollars per share)		0.09	1.97	(0.02)	1.78
Discontinued operations (in dollars per share)		0.01	0.05	0.02	0.02
Net loss per share - diluted (in dollars per share)	[1]	$ 0.10	$ 2.01	$ 0.00	$ 1.80
Weighted-average shares outstanding - basic		637	619	631	614
Dilutive potentially issuable shares - convertible debt		7	33	0	33
Dilutive potentially issuable shares - employee equity awards		11	15	0	18
Weighted-average shares outstanding - diluted		655	667	631	665
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from diluted net income per share calculation (in shares)		8	1	138	1
Convertible debt
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from diluted net income per share calculation (in shares)		0	0	91	0
Employee equity awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from diluted net income per share calculation (in shares)		8	1	47	1

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