XML 49 R60.htm IDEA: XBRL DOCUMENT
v3.20.1

Commitments and Contingencies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract] |
Commitments under coal, gas and transportation contractual agreements | As of December 31, 2019, the Company's minimum commitments under such outstanding agreements are estimated as follows:
Period | (In millions)
2020 | $ | 124 |
2021 | 125 |
2022 | 73 |
2023 | 53 |
2024 | 62 |
Thereafter | 139 |
Total(a) | $ | 576 |
(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, 2019. Minimum purchase commitment obligations are as follows as of December 31, 2019:
Period | (In millions)
2020 | $ | 35 |
2021 | 49 |
2022 | 68 |
2023 | 56 |
2024 | 56 |
Thereafter | 349 |
Total | $ | 613 |

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_LongTermPurchaseCommitmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of unconditional purchase obligations that are not recognized as a liability on the balance sheet, including the nature and significant terms of an unconditional purchase obligation; the amount of the fixed and determinable portion of the obligation as of the date of the latest balance sheet presented in the aggregate and, if determinable, for each of the five succeeding fiscal years; the nature of any variable components of the obligation; the amount purchased under the obligation (for example, the take-or-pay or throughput contract) for the reporting period; and may include the amount of imputed interest necessary to reduce the obligation to present value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77896938&loc=d3e25336-109308 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77896938&loc=d3e25287-109308 + Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration