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PROPERTY AND EQUIPMENT, NET
 12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT, NET PROPERTY AND EQUIPMENT, NET
 
Property and equipment, net at December 31, 2024 and 2023 consist of the following:
December 31,Estimated
Useful Lives
(years)
(in millions)20242023
Capitalized software$1,249 $1,096 
1 to 7 years
Computer equipment694 608 
2 to 5 years
Leasehold improvements 216 228 
Up to 15 years
Office equipment, furniture, and fixtures 65 71 
1 to 10 years
Total2,224 2,003  
Less: Accumulated depreciation (1,392)(1,219) 
Property and equipment, net$832 $784  

Depreciation expense was $370 million, $282 million, and $227 million for the years ended December 31, 2024, 2023, and 2022, respectively. Additions to capitalized software during the years ended December 31, 2024, 2023, and 2022 were $212 million, $229 million, and $217 million, respectively.