Fair Value Measurements - Fair and Carrying Value (Details) (USD $) In Millions	Sep. 01, 2011	Sep. 02, 2010
Level 1 [Member] \| Fair Value [Member]
Fair value disclosure [Line Items]
Fair value of convertible debt instruments	$ 1,216	$ 1,494
Level 2 [Member] \| Fair Value [Member]
Fair value disclosure [Line Items]
Fair value of convertible debt instruments	629	0
Other debt instruments	436	1,071
Level 1 [Member] \| Carrying Value [Member]
Fair value disclosure [Line Items]
Fair value of convertible debt instruments	1,049	1,288
Level 2 [Member] \| Carrying Value [Member]
Fair value disclosure [Line Items]
Fair value of convertible debt instruments	529	0
Other debt instruments	$ 423	$ 1,072

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents notes payable as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

Name:	us-gaap_NotesPayableFairValueDisclosure
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant