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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

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