Shareholders' Equity - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Shareholders' Equity
Currency translation adjustments		$ 8	$ 3
Unrealized gain on cash flow hedges		7	$ 0
Repurchase of common shares	$ 55
Share repurchase program		$ 266
Class A common stock
Shareholders' Equity
Treasury stock, shares, acquired (in shares)		4,000,000
Repurchase of common shares		$ 34