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Business Segments - Summary of Operating Results by Reportable Segment (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Revenue:    
Total revenue $ 563 $ 584
Operating profit (loss):    
Total operating profit (loss) 28 35
United States [Member]    
Revenue:    
Total revenue 435 427
Operating profit (loss):    
Total operating profit (loss) 23 23
Canada [Member]    
Revenue:    
Total revenue 66 83
Operating profit (loss):    
Total operating profit (loss) 3 8
International [Member]    
Revenue:    
Total revenue 62 74
Operating profit (loss):    
Total operating profit (loss) $ 2 $ 4