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Equity Plans | 6 Months Ended
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Mar. 01, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Equity Plans | Equity Plans As of March 1, 2018, 94 million shares of our common stock were available for future awards under our equity plans. Stock Options
| Quarter ended |  | Six months ended
| March 1, 2018 |  | March 2, 2017 |  | March 1, 2018 |  | March 2, 2017
Stock options granted | 1 |  |  | 4 |  |  | 2 |  |  | 6 |
Weighted-average grant-date fair value per share | $ | 18.61 |  |  | $ | 8.37 |  |  | $ | 18.13 |  |  | $ | 8.15 |
Average expected life in years | 5.5 |  |  | 5.5 |  |  | 5.5 |  |  | 5.5 |
Weighted-average expected volatility | 44 | % |  | 47 | % |  | 44 | % |  | 47 | %
Weighted-average risk-free interest rate | 2.2 | % |  | 1.9 | % |  | 2.2 | % |  | 1.8 | %
Expected dividend yield | 0.0 | % |  | 0.0 | % |  | 0.0 | % |  | 0.0 | %
Restricted Stock and Restricted Stock Units ("Restricted Stock Awards")
| Quarter ended |  | Six months ended
| March 1, 2018 |  | March 2, 2017 |  | March 1, 2018 |  | March 2, 2017
Restricted stock award shares granted | 2 |  |  | 5 |  |  | 4 |  |  | 8 |
Weighted-average grant-date fair value per share | $ | 43.21 |  |  | $ | 18.67 |  |  | $ | 41.51 |  |  | $ | 18.52 |
Stock-based Compensation Expense
| Quarter ended |  | Six months ended
| March 1, 2018 |  | March 2, 2017 |  | March 1, 2018 |  | March 2, 2017
Stock-based compensation expense by caption |  |  |  |  |  |  |
Cost of goods sold | $ | 22 |  |  | $ | 23 |  |  | $ | 42 |  |  | $ | 42 |
Selling, general, and administrative | 16 |  |  | 18 |  |  | 34 |  |  | 33 |
Research and development | 14 |  |  | 14 |  |  | 27 |  |  | 26 |
| $ | 52 |  |  | $ | 55 |  |  | $ | 103 |  |  | $ | 101 |
Stock-based compensation expense by type of award |  |  |  |  |  |  |  |  |
Stock options | $ | 14 |  |  | $ | 18 |  |  | $ | 31 |  |  | $ | 35 |
Restricted stock awards | 38 |  |  | 37 |  |  | 72 |  |  | 66 |
| $ | 52 |  |  | $ | 55 |  |  | $ | 103 |  |  | $ | 101 |
The income tax benefit related to share-based compensation expense was $58 million and $116 million for the second quarter and first six months of 2018, respectively, and $42 million and $63 million for the second quarter and first six months of 2017, respectively. The income tax benefits related to share-based compensation expense for the periods presented prior to the second quarter of 2018 were offset by an increase in the U.S. valuation allowance. As of March 1, 2018, $402 million of total unrecognized compensation costs for unvested awards was expected to be recognized through the second quarter of 2022, resulting in a weighted-average period of 1.4 years.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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- References No definition available. + Details
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