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Property and Equipment, net (Tables)
12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment, Net [Abstract]  
Schedule of property and equipment
Property and equipment were as follows as of December 31:
Estimated Useful Life20242023
(in years)(in millions)
Buildings30$736 $769 
Computer equipment
3 – 5
811 794 
Computer software
3 – 8
1,024 1,007 
Furniture and equipment
5 – 9
716 733 
Land
Capital work-in-progress115 88 
Leasehold improvementsShorter of the lease term or
the life of the asset
373 422 
Sub-total3,781 3,820 
Accumulated depreciation and amortization
(2,787)(2,772)
Property and equipment, net$994 $1,048