Fair Value Measurements - Assets measured (Details) (USD $) In Millions, unless otherwise specified	Nov. 28, 2013	Aug. 29, 2013
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	$ 216	$ 221
Long-term marketable investments	538	499
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	2,225	1,261
Short-term investments	216	221
Long-term marketable investments	538	499
Restricted cash	7	302
Total assets measured at fair value on a recurring basis	2,986	2,283
Fair Value, Measurements, Recurring [Member] | Money market funds [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	1,677	1,188
Fair Value, Measurements, Recurring [Member] | Certificates of deposit [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	543	38
Short-term investments	8	9
Restricted cash	7	302
Fair Value, Measurements, Recurring [Member] | Commercial paper [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	5	35
Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	112	112
Long-term marketable investments	330	302
Fair Value, Measurements, Recurring [Member] | Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	58	26
Fair Value, Measurements, Recurring [Member] | Government securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	37	72
Long-term marketable investments	96	96
Fair Value, Measurements, Recurring [Member] | Asset-backed securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	1	2
Long-term marketable investments	106	95
Fair Value, Measurements, Recurring [Member] | Marketable equity securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Long-term marketable investments	6	6
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	1,677	1,188
Short-term investments	0	0
Long-term marketable investments	6	6
Restricted cash	0	0
Total assets measured at fair value on a recurring basis	1,683	1,194
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Money market funds [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	1,677	1,188
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Certificates of deposit [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	0	0
Short-term investments	0	0
Restricted cash	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Commercial paper [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Corporate bonds [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	0	0
Long-term marketable investments	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Government securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	0	0
Long-term marketable investments	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Asset-backed securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	0	0
Long-term marketable investments	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Marketable equity securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Long-term marketable investments	6	6
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	548	73
Short-term investments	216	221
Long-term marketable investments	532	493
Restricted cash	7	302
Total assets measured at fair value on a recurring basis	1,303	1,089
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Money market funds [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Certificates of deposit [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	543	38
Short-term investments	8	9
Restricted cash	7	302
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Commercial paper [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	5	35
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Corporate bonds [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	112	112
Long-term marketable investments	330	302
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	58	26
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Government securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	37	72
Long-term marketable investments	96	96
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Asset-backed securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	1	2
Long-term marketable investments	106	95
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Marketable equity securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Long-term marketable investments	0	0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	0	0
Short-term investments	0	0
Long-term marketable investments	0	0
Restricted cash	0	0
Total assets measured at fair value on a recurring basis	0	0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Money market funds [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Certificates of deposit [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	0	0
Short-term investments	0	0
Restricted cash	0	0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Commercial paper [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Corporate bonds [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	0	0
Long-term marketable investments	0	0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	0	0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Government securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	0	0
Long-term marketable investments	0	0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Asset-backed securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Short-term investments	0	0
Long-term marketable investments	0	0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Marketable equity securities [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Long-term marketable investments	$ 0	$ 0