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Intangible Assets and Goodwill (Tables)
12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
Amortized intangible assets are comprised of the following:
 20202019
December 31Gross
Carrying
Amount
Accumulated
Amortization
Gross
Carrying
Amount
Accumulated
Amortization
Intangible assets:
Completed technology$766 $210 $738 $148 
Patents2 2 
Customer-related1,335 685 1,222 518 
Other intangibles78 50 75 42 
 $2,181 $947 $2,037 $710 
Amortized Intangible Assets, Excluding Goodwill, By Business Segment
Amortized intangible assets, excluding goodwill, were comprised of the following by segment:
 20202019
  
Gross
Carrying
Amount
Accumulated
Amortization
Gross
Carrying
Amount
Accumulated
Amortization
Products and Systems Integration$692 $129 $652 $82 
Software and Services1,489 818 1,385 628 
 $2,181 $947 $2,037 $710 
Goodwill
The following table displays a rollforward of the carrying amount of goodwill, net of impairment losses, by segment from January 1, 2019 to December 31, 2020:
Products and Systems IntegrationSoftware and ServicesTotal
Balance as of January 1, 2019$722 $792 $1,514 
Goodwill acquired251 288 539 
Purchase accounting adjustments— 
Foreign currency translation— 
Balance as of December 31, 2019$973 $1,094 $2,067 
Goodwill acquired46 100 146 
Foreign currency translation— 
Balance as of December 31, 2020$1,019 $1,200 $2,219