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Debt (Tables) | 3 Months Ended
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Mar. 31, 2024
Debt |
Components of Debt | The following table summarizes the major components of debt at principal amounts as of each balance sheet date (in millions) and provides the maturities and interest rate ranges of each major category as of March 31, 2024:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31,
​ |  | 2024 |  | 2023
Commercial paper program (weighted average interest rate of 5.5% as of March 31, 2024 and 5.6% as of December 31, 2023) | ​ | $ | 750 | ​ | $ | 860
Senior notes, maturing through 2050, interest rates ranging from 0.75% to 7.75% (weighted average interest rate of 3.7% as of March 31, 2024 and 3.7% as of December 31, 2023) | ​ | ​ | 11,376 | ​ | ​ | 11,376
Canadian senior notes, C$500 million maturing September 2026, interest rate of 2.6% | ​ |  | 369 | ​ |  | 378
Tax-exempt bonds, maturing through 2053, fixed and variable interest rates ranging from 0.55% to 5.0% (weighted average interest rate of 3.2% as of March 31, 2024 and 3.3% as of December 31, 2023) | ​ |  | 2,883 | ​ |  | 2,883
Financing leases and other, maturing through 2082 (weighted average interest rate of 4.9% as of March 31, 2024 and 5.0% as of December 31, 2023) (a) | ​ |  | 838 | ​ |  | 855
Debt issuance costs, discounts and other | ​ |  | (118) | ​ |  | (123)
​ | ​ |  | 16,098 | ​ |  | 16,229
Current portion of long-term debt | ​ |  | 336 | ​ |  | 334
Long-term debt, less current portion | ​ | $ | 15,762 | ​ | $ | 15,895
(a) | Excluding our landfill financing leases, the maturities of our financing leases and other debt obligations extend through 2059.

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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