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Fair Value Measurements - Assets measured (Details) (USD $)
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3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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May 30, 2013
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Aug. 30, 2012
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May 31, 2012
Transform [Member]
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May 30, 2013
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Money market funds [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Money market funds [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Commercial paper [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Commercial paper [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Certificates of deposit [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Certificates of deposit [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Government securities [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Government securities [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Corporate bonds [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Corporate bonds [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Asset-backed securities [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Asset-backed securities [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Marketable equity securities [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Marketable equity securities [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Level 1 [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Level 1 [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Level 1 [Member]
Money market funds [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Level 1 [Member]
Money market funds [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 1 [Member]
Commercial paper [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Level 1 [Member]
Commercial paper [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 1 [Member]
Certificates of deposit [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 1 [Member]
Certificates of deposit [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 1 [Member]
Government securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 1 [Member]
Government securities [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 1 [Member]
Corporate bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 1 [Member]
Corporate bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 1 [Member]
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 1 [Member]
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 1 [Member]
Asset-backed securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 1 [Member]
Asset-backed securities [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Level 1 [Member]
Marketable equity securities [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Level 1 [Member]
Marketable equity securities [Member]
Fair Value, Measurements, Recurring [Member]
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May 30, 2013
Level 2 [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Level 2 [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 2 [Member]
Money market funds [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Level 2 [Member]
Money market funds [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 2 [Member]
Commercial paper [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 2 [Member]
Commercial paper [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 2 [Member]
Certificates of deposit [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 2 [Member]
Certificates of deposit [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 2 [Member]
Government securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 2 [Member]
Government securities [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 2 [Member]
Corporate bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 2 [Member]
Corporate bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 2 [Member]
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 2 [Member]
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 2 [Member]
Asset-backed securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 2 [Member]
Asset-backed securities [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 2 [Member]
Marketable equity securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 2 [Member]
Marketable equity securities [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
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Aug. 30, 2012
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 3 [Member]
Money market funds [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 3 [Member]
Money market funds [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 3 [Member]
Commercial paper [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 3 [Member]
Commercial paper [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 3 [Member]
Certificates of deposit [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 3 [Member]
Certificates of deposit [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 3 [Member]
Government securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 3 [Member]
Government securities [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 3 [Member]
Corporate bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 3 [Member]
Corporate bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 3 [Member]
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 3 [Member]
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 3 [Member]
Asset-backed securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 3 [Member]
Asset-backed securities [Member]
Fair Value, Measurements, Recurring [Member]
|
May 30, 2013
Level 3 [Member]
Marketable equity securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Aug. 30, 2012
Level 3 [Member]
Marketable equity securities [Member]
Fair Value, Measurements, Recurring [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash equivalents | $ 2,104,000,000 | $ 2,220,000,000 | $ 2,018,000,000 | $ 2,159,000,000 | $ 54,000,000 | $ 29,000,000 | $ 32,000,000 | $ 27,000,000 | $ 0 | $ 5,000,000 | $ 2,018,000,000 | $ 2,159,000,000 | $ 2,018,000,000 | $ 2,159,000,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 86,000,000 | $ 61,000,000 | $ 0 | $ 0 | $ 54,000,000 | $ 29,000,000 | $ 32,000,000 | $ 27,000,000 | $ 0 | $ 5,000,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | |||||||||||||||||||||||||||||||||||
| Short-term investments | 112,000,000 | 100,000,000 | 112,000,000 | 100,000,000 | 1,000,000 | 4,000,000 | 41,000,000 | 51,000,000 | 45,000,000 | 31,000,000 | 25,000,000 | 10,000,000 | 0 | 4,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 112,000,000 | 100,000,000 | 1,000,000 | 4,000,000 | 41,000,000 | 51,000,000 | 45,000,000 | 31,000,000 | 25,000,000 | 10,000,000 | 0 | 4,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||||
| Long-term marketable investments | 347,000,000 | 374,000,000 | 347,000,000 | 374,000,000 | 55,000,000 | 88,000,000 | 211,000,000 | 203,000,000 | 72,000,000 | 73,000,000 | 9,000,000 | 10,000,000 | 7,000,000 | 5,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | 7,000,000 | 5,000,000 | 340,000,000 | 369,000,000 | 55,000,000 | 88,000,000 | 211,000,000 | 203,000,000 | 72,000,000 | 73,000,000 | 2,000,000 | 5,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||||||||||||
| Total assets measured at fair value on a recurring basis | 2,563,000,000 | 2,694,000,000 | 2,025,000,000 | 2,164,000,000 | 538,000,000 | 530,000,000 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other than temporary impairment in Transform | 69,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity method investments | $ 272,000,000 | $ 389,000,000 | $ 0 |