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Debt (Tables) | 12 Months Ended
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Dec. 31, 2021
Debt Disclosure [Abstract] |
Debt With Interest Rates and Maturities | Debt maturities are presented below:
| December 31,
| 2021 |  | 2020
| ($ in millions)
Notes and debentures, with weighted-average interest rates as of December 31, 2021: |  |  |
3.40% maturing to 2026 | $ | 2,699 |  |  | $ | 3,273 |
4.26% maturing 2027 to 2031 | 2,614 |  |  | 2,114 |
4.02% maturing 2037 to 2055 | 8,097 |  |  | 7,497 |
5.22% maturing 2097 to 2121 | 1,384 |  |  | 784 |
Finance leases | 22 |  |  | 25 |
Discounts, premiums, and debt issuance costs | (976) |  |  | (1,012) |
Total debt | 13,840 |  |  | 12,681 |
Less current maturities | (553) |  |  | (579) |
Long-term debt excluding current maturities | $ | 13,287 |  |  | $ | 12,102 |
Long-term debt maturities subsequent to 2022 are as follows: |  |  |
2023 |  |  | $ | 603 |
2024 |  |  | 403 |
2025 |  |  | 554 |
2026 |  |  | 602 |
2027 and subsequent years |  |  | 11,125 |
Total |  |  | $ | 13,287 |

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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
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