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Intangible Assets and Goodwill | 6 Months Ended
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Feb. 28, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets and Goodwill | Intangible Assets and Goodwill
As of |  | February 28, 2019 |  | August 30, 2018
|  | Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization
Amortizing assets |  |  |  |  |  |  |  |
Product and process technology |  | $ | 577 |  |  | $ | (227 | ) |  | $ | 567 |  |  | $ | (344 | )
Non-amortizing assets |  |  |  |  |  |  |  |
In-process R&D |  | — |  |  | — |  |  | 108 |  |  | — |
Total intangible assets |  | $ | 577 |  |  | $ | (227 | ) |  | $ | 675 |  |  | $ | (344 | )
Goodwill |  | $ | 1,228 |  |  |  |  | $ | 1,228 |  |  |
In the first six months of 2019 and 2018, we capitalized $64 million and $15 million, respectively, for product and process technology with weighted-average useful lives of 8 years and 12 years, respectively, and placed in service $108 million of in-process R&D in the first quarter of 2019, which is being amortized on a straight-line basis over six years. Expected amortization expense is $36 million for the remainder of 2019, $66 million for 2020, $60 million for 2021, $47 million for 2022, and $43 million for 2023.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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