XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.21.1

Other Commitments And Contingencies (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Restructuring Reserve by Type of Cost | A rollforward of the one-time employee separation benefits accrual for the three months ended March 31, 2021 is presented below:
(in millions) | Balance as of January 1, 2021 | Changes Attributable to Costs Incurred(1) | Costs Paid | Adjustments | Balance as of March 31, 2021(2)
One-time Employee Separation Benefits | 11.1 |  | 4.6 |  | (8.4) |  | — |  | 7.3 |
(1)This activity is presented within "Operation and maintenance" in our Condensed Statements of Consolidated Income (unaudited). (2)This activity is presented within "Accrued compensation and employee benefits" in our Condensed Consolidated Balance Sheets (unaudited).

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 an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration