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
	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Net income attributable to controlling interest	$ 74	$ 83
Denominator:
Basic: Weighted average common stock	86.1	87.5
Add: Weighted average stock options/share awards	0.2	0.2
Diluted weighted average common stock:	86.3	87.8
Net earnings per share - basic	$ 0.86	$ 0.95
Net earnings per share - diluted	$ 0.86	$ 0.94