Equity Plans - Share Based Compensation (Details) - USD ($) $ / shares in Units, shares in Millions	3 Months Ended		6 Months Ended
	Mar. 03, 2016	Mar. 05, 2015	Mar. 03, 2016	Mar. 05, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock reserved for issuance for stock options and restricted stock awards (in shares)	153		153
Number of shares available for future awards (in shares)	87		87
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Fair Value Assumptions, Method Used			Black-Scholes
Stock options granted (in shares)	5	7	7	8
Weighted-average grant-date fair values per share of options granted during period (in dollars per share)	$ 6.59	$ 15.34	$ 7.01	$ 14.96
Average expected life (in years)	5 years 6 months	5 years 7 months	5 years 6 months	5 years 7 months
Weighted-average expected volatility (in hundredths)	47.00%	44.00%	47.00%	45.00%
Weighted-average risk-free interest rate (in thousandths)	1.70%	1.70%	1.70%	1.70%
Expected dividends assumed in estimated option values			$ 0
Restricted stock award [Member]
Restricted Stock Awards activity
Restricted Stock Awards outstanding (in shares)	19		19
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Restricted stock awards granted (in shares)	6	4	9	6
Weighted-average grant-date fair value per share (in dollars per share)	$ 14.71	$ 35.85	$ 15.84	$ 34.33
Restricted stock award [Member] | Service Based Awards [Member]
Restricted Stock Awards activity
Service-based restricted stock awards, annual incremental vesting (percentage)			25.00%
Restricted stock award [Member] | Performance Shares [Member]
Restricted Stock Awards activity
Restricted Stock Awards outstanding (in shares)	2		2
Restricted stock award [Member] | Performance Shares [Member] | Share-based Compensation Award, Tranche One [Member] | Minimum [Member]
Restricted Stock Awards activity
Performance-based and market-based restricted award, Award Vesting Rights, Percentage			0.00%
Restricted stock award [Member] | Performance Shares [Member] | Share-based Compensation Award, Tranche One [Member] | Maximum [Member]
Restricted Stock Awards activity
Performance-based and market-based restricted award, Award Vesting Rights, Percentage			200.00%
Restricted stock award [Member] | Restricted Stock Awards With Performance Condition [Member] | Performance Shares [Member]
Restricted Stock Awards activity
Performance-based and market-based restricted award, Award Vesting Period			3 years
Restricted stock award [Member] | Restricted Stock Awards With Market Condition [Member] | Performance Shares [Member]
Restricted Stock Awards activity
Performance-based and market-based restricted award, Award Vesting Period			3 years