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Segment Information | 12 Months Ended
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Aug. 30, 2018
Segment Reporting [Abstract] |
Segment Information | Segment Information Segment information reported herein is consistent with how it is reviewed and evaluated by our chief operating decision maker. We have the following four business units, which are our reportable segments: Compute and Networking Business Unit ("CNBU"): Includes memory products sold into cloud server, enterprise, client, graphics, and networking markets. Mobile Business Unit ("MBU"): Includes memory products sold into smartphone and other mobile-device markets. Storage Business Unit ("SBU"): Includes SSDs and component-level solutions sold into enterprise and cloud, client, and consumer SSD markets, other discrete storage products sold in component and wafer forms to the removable storage markets, and sales of 3D XPoint memory. Embedded Business Unit ("EBU"): Includes memory and storage products sold into automotive, industrial, and consumer markets. Certain operating expenses directly associated with the activities of a specific segment are charged to that segment. Other indirect operating income and expenses are generally allocated to segments based on their respective percentage of cost of goods sold or forecasted wafer production. We do not identify or report internally our assets (other than goodwill) or capital expenditures by segment, nor do we allocate gains and losses from equity method investments, interest, other non-operating income or expense items, or taxes to segments. As of August 30, 2018 and August 31, 2017, CNBU, MBU, SBU, and EBU had goodwill of $832 million, $198 million, $101 million, and $97 million, respectively.
For the year ended |  | 2018 |  | 2017 |  | 2016
Net sales |  |  |  |  |  |
CNBU |  | $ | 15,252 |  |  | $ | 8,624 |  |  | $ | 4,529 |
MBU |  | 6,579 |  |  | 4,424 |  |  | 2,569 |
SBU |  | 5,022 |  |  | 4,514 |  |  | 3,262 |
EBU |  | 3,479 |  |  | 2,695 |  |  | 1,939 |
All Other |  | 59 |  |  | 65 |  |  | 100 |
|  | $ | 30,391 |  |  | $ | 20,322 |  |  | $ | 12,399 |
Operating income (loss) |  |  |  |  |  |
CNBU |  | $ | 9,773 |  |  | $ | 3,755 |  |  | $ | (25 | )
MBU |  | 3,033 |  |  | 927 |  |  | 97 |
SBU |  | 964 |  |  | 552 |  |  | (123 | )
EBU |  | 1,473 |  |  | 975 |  |  | 473 |
All Other |  | — |  |  | 23 |  |  | 28 |
|  | $ | 15,243 |  |  | $ | 6,232 |  |  | $ | 450 |
Unallocated |  |  |  |  |  |
Stock-based compensation |  | $ | (198 | ) |  | $ | (215 | ) |  | $ | (191 | )
Restructure and asset impairments |  | (28 | ) |  | (18 | ) |  | (67 | )
Flow-through of Inotera inventory step up |  | — |  |  | (107 | ) |  | — |
Other |  | (23 | ) |  | (24 | ) |  | (24 | )
|  | $ | (249 | ) |  | $ | (364 | ) |  | $ | (282 | )
Operating income |  | $ | 14,994 |  |  | $ | 5,868 |  |  | $ | 168 |
Depreciation and amortization expense included in operating income was as follows:
For the year ended |  | 2018 |  | 2017 |  | 2016
CNBU |  | $ | 1,755 |  |  | $ | 1,344 |  |  | $ | 1,141 |
MBU |  | 1,077 |  |  | 926 |  |  | 580 |
SBU |  | 1,295 |  |  | 1,083 |  |  | 844 |
EBU |  | 603 |  |  | 484 |  |  | 379 |
All Other |  | 18 |  |  | 13 |  |  | 20 |
Unallocated |  | 11 |  |  | 11 |  |  | 16 |
|  | $ | 4,759 |  |  | $ | 3,861 |  |  | $ | 2,980 |

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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