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		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net income attributable to controlling interest	$ 138	$ 134	$ 403	$ 261
Denominator:
Basic: Weighted average common stock	79.2	84.9	80.7	85.5
Add: Weighted average stock options/share awards	0.1	0.2	0.2	0.2
Diluted weighted average common stock:	79.3	85.0	80.9	85.7
Net earnings per share - basic	$ 1.75	$ 1.58	$ 4.99	$ 3.05
Net earnings per share - diluted	$ 1.74	$ 1.57	$ 4.98	$ 3.04