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Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Intangible Assets |  |
Cost | $ 6,444 | $ 6,468
Accumulated Amortization | (5,126) | (4,645)
Net | 1,318 | 1,823
Customer relationships |  |
Intangible Assets |  |
Cost | 6,296 | 6,326
Accumulated Amortization | (5,056) | (4,583)
Net | 1,240 | 1,743
Trademarks and other |  |
Intangible Assets |  |
Cost | 148 | 142
Accumulated Amortization | (70) | (62)
Net | $ 78 | $ 80

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