Business Segments - Summary of Operating Results by Reportable Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Total revenue	$ 584	$ 473
Operating profit (loss):
Total operating profit (loss)	35	23
United States [Member]
Revenue:
Total revenue	427	334
Operating profit (loss):
Total operating profit (loss)	23	14
Canada [Member]
Revenue:
Total revenue	83	82
Operating profit (loss):
Total operating profit (loss)	8	7
International [Member]
Revenue:
Total revenue	74	57
Operating profit (loss):
Total operating profit (loss)	$ 4	$ 2