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Debt - Short-term Debt (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Short-term Debt |  |
Other | $ 165 | $ 144
Total Short-term borrowings | $ 2,537 | 2,750
Euro-commercial paper notes ("ECP Notes") | Commercial paper | FIS credit agreements |  |
Short-term Debt |  |
Short term debt, weighted average interest rate | (0.50%) |
Maturities | 183 days |
Commercial paper | $ 243 | 861
U.S. commercial paper notes ("USCP Notes") | Commercial paper | FIS credit agreements |  |
Short-term Debt |  |
Short term debt, weighted average interest rate | 0.30% |
Maturities | 397 days |
Commercial paper | $ 2,129 | $ 1,745

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