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Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Intangible Assets |  |
Cost | $ 6,468 | $ 6,474
Accumulated Amortization | (4,645) | (4,006)
Net | 1,823 | 2,468
Customer relationships |  |
Intangible Assets |  |
Cost | 6,326 | 6,281
Accumulated Amortization | (4,583) | (3,953)
Net | 1,743 | 2,328
Trademarks and other |  |
Intangible Assets |  |
Cost | 142 | 193
Accumulated Amortization | (62) | (53)
Net | $ 80 | $ 140

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