v3.25.2
Stockholders’ Deficit - Stock repurchase program (Narrative) (Details) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Jul. 31, 2023
Feb. 28, 2022
Class of Stock [Line Items]              
Stock repurchase program, authorized amount             $ 1,200.0
Stock repurchase program, additional authorized amount         $ 1,200.0 $ 1,200.0  
Stock repurchased and retired during period, aggregate purchase price $ 403.0 $ 262.2 $ 907.0 $ 543.8      
Class A              
Class of Stock [Line Items]              
Stock repurchased and retired during period (in shares) 14.2 11.3 32.2 22.4      
Stock repurchased and retired during period, aggregate purchase price $ 403.0 $ 262.2 $ 907.0 $ 543.8