Recent Accounting Standards (Schedule of Effect of New Accounting Pronouncements) (Details) - USD ($) $ in Millions	Mar. 29, 2019	Jun. 29, 2018	Mar. 31, 2018	Mar. 30, 2018
ASSETS
Accounts receivable, net	$ 708		$ 833	$ 809
Other current assets	435		506	522
Other long-term assets	1,262		1,333	526
Total assets	15,938		16,574	15,759
LIABILITIES
Short-term contract liabilities	2,320		2,261	2,368
Other current liabilities	533		370	372
Long-term contract liabilities	736		673	735
Deferred income tax liabilities	577		639	592
Total liabilities	10,200		10,612	10,736
Stockholders’ equity:
Accumulated Other Comprehensive Income (Loss), Net of Tax	(7)			4
Retained earnings	933		1,267	328
Stockholders' Equity Attributable to Parent	5,738			5,023
Short-term deferred commissions	92		86	94
Long-term deferred commissions	93		92	35
Income tax receivable and prepaid income taxes	61		99	107
Long-term income tax receivable and prepaid income taxes	34		29	61
Deferred income tax assets	830		828	$ 46
Amounts Without Adoption of New Standard
ASSETS
Accounts receivable, net	657
Other current assets	421
Other long-term assets	1,213
Total assets	15,824
LIABILITIES
Short-term contract liabilities	2,437
Other current liabilities	494
Long-term contract liabilities	837
Deferred income tax liabilities	526
Total liabilities	10,328
Stockholders’ equity:
Accumulated Other Comprehensive Income (Loss), Net of Tax	(2)
Retained earnings	686
Stockholders' Equity Attributable to Parent	5,496
Short-term deferred commissions	81
Long-term deferred commissions	44
Accounting Standards Update 2014-09
ASSETS
Accounts receivable, net			24
Other current assets			(8)
Other long-term assets			57
Total assets			73
LIABILITIES
Short-term contract liabilities			(107)
Other current liabilities			(2)
Long-term contract liabilities			(62)
Deferred income tax liabilities			47
Total liabilities			(124)
Stockholders’ equity:
Retained earnings			197
Accounting Standards Update 2014-09 | Effect of Change
ASSETS
Accounts receivable, net	51
Other current assets	14
Other long-term assets	49
Total assets	114
LIABILITIES
Short-term contract liabilities	(117)
Other current liabilities	39
Long-term contract liabilities	(101)
Deferred income tax liabilities	51
Total liabilities	(128)
Stockholders’ equity:
Accumulated Other Comprehensive Income (Loss), Net of Tax	(5)
Retained earnings	247
Stockholders' Equity Attributable to Parent	$ 242
Accounting Standards Update 2016-16
ASSETS
Accounts receivable, net			0
Other current assets			(8)
Other long-term assets			750
Total assets			742
LIABILITIES
Short-term contract liabilities			0
Other current liabilities			0
Long-term contract liabilities			0
Deferred income tax liabilities			0
Total liabilities			0
Stockholders’ equity:
Retained earnings		$ 742	$ 742