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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract] |
Commitments under coal, gas and transportation contractual agreements | As of December 31, 2020, the Company's minimum commitments under such outstanding agreements are estimated as follows:
Period | (In millions)
2021 | $ | 146 |
2022 | 98 |
2023 | 69 |
2024 | 67 |
2025 | 65 |
Thereafter | 80 |
Total(a) | $ | 525 |
(a)Actual coal, gas and transportation purchases are significantly higher than these estimated minimum unconditional long-term firm commitments
Minimum purchase commitment obligations under purchased power agreements | These contracts are not included in the consolidated balance sheet as of December 31, 2020. Minimum purchase commitment obligations are as follows as of December 31, 2020:
Period | (In millions)
2021 | $ | 48 |
2022 | 62 |
2023 | 50 |
2024 | 50 |
2025 | 49 |
Thereafter | 316 |
Total(a) | $ | 575 |
(a)Actual power purchases are significantly higher than these estimated minimum unconditional long-term firm commitments

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- Definition Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount. + References No definition available. + Details
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- Definition Tabular disclosure of unconditional purchase obligation not recognized as liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308 + Details
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