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Other Financial Data - Schedule of Other Non-current Assets (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
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Other Financial Data [Abstract] |  |
Cost to obtain contracts with customers | $ 190 | $ 207
Investments | 163 | 90
Taxes receivable | 101 | 90
Other | 275 | 611
Total | $ 729 | 998
Leases |  | 9
Payments to acquire businesses, escrow deposits |  | $ 416

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