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Goodwill and Intangible Assets
12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
Goodwill

The following table presents goodwill activity for the periods indicated (in millions):
 December 31,
2022
Goodwill
Acquired
 Adjustments December 31,
2023
Goodwill
Acquired
 Adjustments December 31,
2024
Goodwill$4,262 $31 $(26)$4,267 $56 $(54)$4,269 

Goodwill acquired during the year ended December 31, 2024 relates to the acquisition of Goldin, a leading U.S.-based auction house for high-value trading cards and collectibles. The adjustments to goodwill during the years ended December 31, 2024 and 2023 were primarily due to foreign currency translation. There were no impairments to goodwill in 2024, 2023 or 2022.

Intangible Assets

Intangible assets are reported within “Other assets” in our consolidated balance sheet. The following table presents components of identifiable intangible assets as of the dates indicated (in millions, except years):
 December 31, 2024December 31, 2023
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountWeighted Average Useful Life (Years)Gross Carrying AmountAccumulated AmortizationNet Carrying AmountWeighted Average Useful Life (Years)
Intangible assets:        
Customer lists and user base$246 $(200)$46 8$245 $(203)$42 8
Marketing related101 (63)38 779 (58)21 6
Developed technologies239 (205)34 4240 (191)49 4
All other158 (157)1 3159 (157)2 3
Total$744 $(625)$119  $723 $(609)$114 

Amortization expense for intangible assets was $37 million, $35 million and $9 million for the years ended December 31, 2024, 2023 and 2022, respectively.

The following table presents expected future intangible asset amortization as of the date indicated (in millions):
December 31, 2024
2025$39 
202629 
202724 
20287 
20297 
Thereafter13 
Total future intangible asset amortization
$119