Equity Plans - Share Based Compensation (Details) - USD ($) $ / shares in Units, shares in Millions	12 Months Ended
	Sep. 03, 2015	Aug. 28, 2014	Aug. 29, 2013
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)	170
Number of shares available for future awards (in shares)	112
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of shares outstanding (in shares)	48
Number of shares granted (in shares)	8	12	18
Number of shares excercised (in shares)	(10)
Number of shares canceled or expired (in shares)	(2)
Number of shares outstanding (in shares)	44	48
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price per share for options outstanding (in dollars per share)	$ 10.57
Weighted average exercise price per share for options granted (in dollars per share)	34.45
Weighted average exercise price per share for options exercised (in dollars per share)	7.35
Weighted average exercise price per share for options canceled or expired (in dollars per share)	15.93
Weighted average exercise price per share for options outstanding (in dollars per share)	$ 15.33	$ 10.57
Share-based Compensation Arrangement by Share-based Payment Award Options, Outstanding, Additiona Disclosures [Abstract]
Weighted average remaining contractual term for options outstanding at September 3, 2015 (in years)	3 years 9 months
Aggregated intrinsic value for options outstanding at September 3, 2015	$ 256,000,000
Options exercisable at September 3, 2015 (in shares)	18
Weighted average exercise price per share for options exerciasble at September 3, 2015(in dollars per share)	$ 9.33
Weighted average remaining contractual term for options exercisable at September 3, 2015 (in years)	2 years 5 months
Aggregated intrinsic value for options exercisable at September 3, 2015	$ 145,000,000
Options expected to vest after September 3, 2015 (in shares)	25
Weighted average exercise price per share for options expected to vest after September 3, 2015 (in dollars per share)	$ 19.11
Weighted average remaining contractual term for options expected to vest after September 3, 2015 (in years)	4 years 8 months
Aggregated intrinsic value for options expected to vest after September 3, 2015	$ 109,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]
Total intrinsic value for option exercised	$ 229,000,000	$ 421,000,000	$ 103,000,000
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)	8	12	18
Weighted-average grant-date fair values per share of options granted during period (in dollars per share)	$ 14.79	$ 9.64	$ 3.34
Average expected life (in years)	5 years 7 months	4 years 11 months	5 years 1 month
Weighted-average expected volatility (in hundredths)	45.00%	48.00%	59.00%
Weighted-average risk-free interest rate (in hundredths)	1.70%	1.60%	0.70%
Expected dividends assumed in estimated option values	$ 0
Employee Stock Option [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option annual incremental vesting (percentage)	25.00%
Employee Stock Option [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option annual incremental vesting (percentage)	33.00%
Employee Stock Option [Member] | Awards Granted After February 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
General number of years from grant date until stock options expire (in years)	8 years
Employee Stock Option [Member] | Awards Granted Prior to February 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
General number of years from grant date until stock options expire (in years)	6 years
Restricted stock award [Member]
Restricted Stock Awards activity
Number of Shares - Outstanding (in shares)	13
Number of Shares - Granted (in shares)	7	7	7
Number of Shares - Restrictions lapsed (in shares)	(5)
Number of Shares - Canceled (in shares)	(1)
Number of Shares - Outstanding (in shares)	14	13
Restricted awards expected to vest after September 3, 2015 (in shares)	13
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Grant Date Fair Value Per Share - Outstanding (in dollars per share)	$ 15.08
Weighted Average Grant Date Fair Value Per Share - Granted (in dollars per share)	32.60	$ 21.88	$ 6.23
Weighted Average Grant Date Fair Value Per Share - Restrictions lapsed (in dollars per share)	13.48
Weighted Average Grant Date Fair Value Per Share - Cancelled (in dollars per share)	19.81
Weighted Average Grant Date Fair Value Per Share - Outstanding (in dollars per share)	23.88	$ 15.08
Weighted Average Grant Date Fair Value for restricted awards expected to vest after September 3, 2015 (in dollars per share)	$ 23.78
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Restricted stock awards granted (in shares)	7	7	7
Weighted-average grant-date fair values per share (in dollars per share)	$ 32.60	$ 21.88	$ 6.23
Aggregate fair values at vesting date	$ 155,000,000	$ 115,000,000	$ 17,000,000
Service Based Awards [Member] | Restricted stock award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option annual incremental vesting (percentage)	25.00%
Performance Shares [Member] | Restricted stock award [Member]
Restricted Stock Awards activity
Number of Shares - Outstanding (in shares)	1
Performance Shares [Member] | Restricted stock award [Member] | Share-based Compensation Award, Tranche One [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	0.00%
Performance Shares [Member] | Restricted stock award [Member] | Share-based Compensation Award, Tranche One [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	200.00%
Restricted Stock Awards With Performance Condition [Member] | Performance Shares [Member] | Restricted stock award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Restricted Stock Awards With Market Condition [Member] | Performance Shares [Member] | Restricted stock award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years