Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2023	May 02, 2023
Stockholders' Equity [Line Items]
Deemed non-pro rata distribution		$ 216	$ 0	$ 216
2023 Share Repurchase Program
Stockholders' Equity [Line Items]
Stock repurchase program, authorized amount						$ 125
Repurchase of common stock (in shares)	0		0		100,000
Repurchase of common stock					$ 2
Stock repurchased and retired during period (in dollars per share)					$ 20.53
Stock repurchase program, remaining authorized amount	$ 123		$ 123