Earnings Per Share - Schedule of Computation of Basic and Diluted EPS under Two-class Method (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Net income attributable to controlling interest	$ 167	$ 138	$ 334	$ 265
Denominator:
Basic: Weighted average common stock	77.1	80.9	77.3	81.6
Add: Weighted average stock options/share awards	0.2	0.2	0.2	0.4
Diluted weighted average common stock:	77.3	81.1	77.5	82.1
Net earnings per share - basic	$ 2.17	$ 1.71	$ 4.32	$ 3.24
Net earnings per share - diluted	$ 2.16	$ 1.71	$ 4.31	$ 3.23