Income Taxes Income Taxes - Operating Loss Carryforwards (Details 2) (USD $) In Millions	Sep. 01, 2011
Federal [Member]
Operating Loss Carryforwards [Abstract]
Net operating loss carryforwards	$ 2,900
State [Member]
Operating Loss Carryforwards [Abstract]
Net operating loss carryforwards	2,000
Foreign [Member]
Operating Loss Carryforwards [Abstract]
Net operating loss carryforwards	$ 529

The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 48

-Subparagraph a

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant