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Intangible Assets and Goodwill
 12 Months Ended
Aug. 29, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets and Goodwill
Intangible Assets and Goodwill

As of
 
2019
 
2018
 
 
Gross
Amount
 
Accumulated
Amortization
 
Gross
Amount
 
Accumulated
Amortization
Amortizing assets
 
 
 
 
 
 
 
 
Product and process technology
 
$
583

 
$
(243
)
 
$
567

 
$
(344
)
Non-amortizing assets
 
 
 
 
 
 
 
 
In-process R&D
 
—

 
—

 
108

 
—

Total intangible assets
 
$
583

 
$
(243
)
 
$
675

 
$
(344
)
 
 
 
 
 
 
 
 
 
Goodwill
 
$
1,228

 
 
 
$
1,228

 
 


In 2019, 2018, and 2017, we capitalized $91 million, $48 million, and $29 million, respectively, for product and process technology with weighted-average useful lives of 8 years, 10 years, and 11 years, respectively. In 2019, we placed $108 million of in-process R&D in service, which is being amortized on a straight-line basis over six years. Expected amortization expense for our intangible assets is $72 million for 2020, $62 million for 2021, $50 million for 2022, $44 million for 2023, and $40 million for 2024.