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v3.25.1

Short-Term Debt (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024
Short-term Debt [Line Items] |  |
Amount outstanding at period end | $ 719 | $ 695
Commercial Paper |  |
Short-term Debt [Line Items] |  |
Borrowing limit | 3,550 | 3,550
Amount outstanding at period end | 719 | 695
Average amount outstanding | 1,238 | 508
Maximum amount outstanding | $ 1,785 | $ 1,314
Weighted average interest rate, computed on a daily basis | 4.61% | 5.47%
Weighted average interest rate at period end | 4.65% | 4.64%
Letter of Credit |  |
Short-term Debt [Line Items] |  |
Amount outstanding at period end | $ 41 | $ 42

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