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Debt - Schedule of Short-term Debt (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024
Short-term Debt |  |
Total Short-term borrowings | $ 2,729 | $ 636
Senior Commercial Paper Notes |  |
Short-term Debt |  |
Commercial paper | $ 7,000 |
Senior Commercial Paper Notes | FIS Credit Agreement | ECP Notes |  |
Short-term Debt |  |
Weighted average interest rate | 2.20% |
Maturities | 183 days |
Commercial paper | $ 117 | 104
Senior Commercial Paper Notes | FIS Credit Agreement | USCP Notes |  |
Short-term Debt |  |
Weighted average interest rate | 4.00% |
Maturities | 397 days |
Commercial paper | $ 2,612 | $ 532

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