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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract] |
Contractual Obligation, Fiscal Year Maturity | As of December 31, 2023, we had minimum contractual commitments under long-term service and maintenance contracts, energy-related contracts and other agreements as follows:
| Long-Term Service and Maintenance Contracts (a) |  | Coal transportation agreements |  | Pipeline transportation and storage reservation fees |  |  |  | Water Contracts
2024 | $ | 286 |  |  | $ | 33 |  |  | $ | 179 |  |  |  |  | $ | 9 |
2025 | 242 |  |  | 34 |  |  | 182 |  |  |  |  | 9 |
2026 | 228 |  |  | 35 |  |  | 192 |  |  |  |  | 9 |
2027 | 250 |  |  | 36 |  |  | 195 |  |  |  |  | 9 |
2028 | 310 |  |  | — |  |  | 194 |  |  |  |  | 9 |
Thereafter | 2,091 |  |  | — |  |  | 96 |  |  |  |  | 44 |
Total | $ | 3,407 |  |  | $ | 138 |  |  | $ | 1,038 |  |  |  |  | $ | 89 |
____________ (a)Long-term service and maintenance contracts reflect expected expenditures as these contracts do not include minimum spending requirements, but can only be terminated based on events outside the control of the Company.

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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (S-X 210.12-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 + Details
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