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Financial Instruments - Cash, Cash Equivalents, Short-Term Investments, Restricted Cash and Investments and Other Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands | Jun. 26, 2016 | Jun. 28, 2015
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | $ 7,111,464 | $ 4,283,009
Unrealized Gain | 8,522 | 4,261
Unrealized (Loss) | (1,310) | (6,352)
Fair Value | 7,118,676 | 4,280,918
Cash and Cash Equivalents | 5,039,322 | 1,501,539
Short-Term Investments | 1,788,612 | 2,574,947
Restricted Cash & Investments | 250,421 | 170,969
Other Assets | 40,321 | 33,463
Cash |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 418,216 | 276,663
Unrealized Gain | 0 | 0
Unrealized (Loss) | 0 | 0
Fair Value | 418,216 | 276,663
Cash and Cash Equivalents | 412,573 | 271,452
Short-Term Investments | 0 | 0
Restricted Cash & Investments | 5,643 | 5,211
Other Assets | 0 | 0
Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 5,294,379 | 1,735,035
Unrealized Gain | 3,441 | 2,998
Unrealized (Loss) | (399) | (908)
Fair Value | 5,297,421 | 1,737,125
Cash and Cash Equivalents | 4,626,749 | 1,222,613
Short-Term Investments | 385,573 | 315,291
Restricted Cash & Investments | 244,778 | 165,758
Other Assets | 40,321 | 33,463
Level 1 | Time Deposit |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 904,243 | 177,567
Unrealized Gain | 0 | 0
Unrealized (Loss) | 0 | 0
Fair Value | 904,243 | 177,567
Cash and Cash Equivalents | 659,465 | 44,738
Short-Term Investments | 0 | 0
Restricted Cash & Investments | 244,778 | 132,829
Other Assets | 0 | 0
Level 1 | Money Market Funds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 3,904,288 | 1,177,875
Unrealized Gain | 0 | 0
Unrealized (Loss) | 0 | 0
Fair Value | 3,904,288 | 1,177,875
Cash and Cash Equivalents | 3,904,288 | 1,177,875
Short-Term Investments | 0 | 0
Restricted Cash & Investments | 0 | 0
Other Assets | 0 | 0
Level 1 | US Treasury and Agencies |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 446,530 | 349,009
Unrealized Gain | 2,041 | 72
Unrealized (Loss) | (2) | (861)
Fair Value | 448,569 | 348,220
Cash and Cash Equivalents | 62,996 | 0
Short-Term Investments | 385,573 | 315,291
Restricted Cash & Investments | 0 | 32,929
Other Assets | 0 | 0
Level 1 | Mutual Funds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 39,318 | 30,584
Unrealized Gain | 1,400 | 2,926
Unrealized (Loss) | (397) | (47)
Fair Value | 40,321 | 33,463
Cash and Cash Equivalents | 0 | 0
Short-Term Investments | 0 | 0
Restricted Cash & Investments | 0 | 0
Other Assets | 40,321 | 33,463
Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 1,398,869 | 2,271,311
Unrealized Gain | 5,081 | 1,263
Unrealized (Loss) | (911) | (5,444)
Fair Value | 1,403,039 | 2,267,130
Cash and Cash Equivalents | 0 | 7,474
Short-Term Investments | 1,403,039 | 2,259,656
Restricted Cash & Investments | 0 | 0
Other Assets | 0 | 0
Level 2 | US Treasury and Agencies |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 8,068 | 4,007
Unrealized Gain | 151 | 0
Unrealized (Loss) | 0 | (4)
Fair Value | 8,219 | 4,003
Cash and Cash Equivalents | 0 | 0
Short-Term Investments | 8,219 | 4,003
Restricted Cash & Investments | 0 | 0
Other Assets | 0 | 0
Level 2 | Municipal Notes and Bonds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 265,386 | 659,550
Unrealized Gain | 355 | 429
Unrealized (Loss) | (16) | (335)
Fair Value | 265,725 | 659,644
Cash and Cash Equivalents | 0 | 7,474
Short-Term Investments | 265,725 | 652,170
Restricted Cash & Investments | 0 | 0
Other Assets | 0 | 0
Level 2 | Government-Sponsored Enterprises |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 31,885 | 53,612
Unrealized Gain | 91 | 2
Unrealized (Loss) | (13) | (249)
Fair Value | 31,963 | 53,365
Cash and Cash Equivalents | 0 | 0
Short-Term Investments | 31,963 | 53,365
Restricted Cash & Investments | 0 | 0
Other Assets | 0 | 0
Level 2 | Foreign Government Bonds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 41,440 | 50,336
Unrealized Gain | 76 | 31
Unrealized (Loss) | (4) | (161)
Fair Value | 41,512 | 50,206
Cash and Cash Equivalents | 0 | 0
Short-Term Investments | 41,512 | 50,206
Restricted Cash & Investments | 0 | 0
Other Assets | 0 | 0
Level 2 | Corporate Notes and Bonds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 979,566 | 1,329,587
Unrealized Gain | 4,341 | 685
Unrealized (Loss) | (566) | (3,797)
Fair Value | 983,341 | 1,326,475
Cash and Cash Equivalents | 0 | 0
Short-Term Investments | 983,341 | 1,326,475
Restricted Cash & Investments | 0 | 0
Other Assets | 0 | 0
Level 2 | Mortgage Backed Securities - Residential |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 17,395 | 32,231
Unrealized Gain | 37 | 72
Unrealized (Loss) | (152) | (292)
Fair Value | 17,280 | 32,011
Cash and Cash Equivalents | 0 | 0
Short-Term Investments | 17,280 | 32,011
Restricted Cash & Investments | 0 | 0
Other Assets | 0 | 0
Level 2 | Mortgage Backed Securities - Commercial |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cost | 55,129 | 141,988
Unrealized Gain | 30 | 44
Unrealized (Loss) | (160) | (606)
Fair Value | 54,999 | 141,426
Cash and Cash Equivalents | 0 | 0
Short-Term Investments | 54,999 | 141,426
Restricted Cash & Investments | 0 | 0
Other Assets | $ 0 | $ 0

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