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Accumulated Other Comprehensive Loss
 12 Months Ended
Dec. 31, 2024
Accumulated Other Comprehensive Loss [Abstract]  
Accumulated Other Comprehensive Loss

NOTE 20. ACCUMULATED OTHER COMPREHENSIVE LOSS

Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss, net of tax, was immaterial as of December 31, 2024 and December 31, 2023.

The following table details the reclassifications out of accumulated other comprehensive loss by component for the years ended December 31 (dollars in millions):

 

 

 

Amounts Reclassified from Accumulated Other
Comprehensive Loss

 

Details about Accumulated Other Comprehensive Loss Components
(Affected Line Item in Statements of Income)

 

2024

 

 

2023

 

 

2022

 

Amortization of defined benefit pension and postretirement benefit items

 

 

 

 

 

 

 

 

 

Amortization of net prior service cost (a)

 

$

1

 

 

$

(1

)

 

$

(4

)

Amortization of net loss (a)

 

 

(12

)

 

 

19

 

 

 

57

 

Adjustment due to effects of regulation (a)

 

 

11

 

 

 

(16

)

 

 

(42

)

Total before tax (b)

 

 

—

 

 

 

2

 

 

 

11

 

Tax expense (b)

 

 

—

 

 

 

—

 

 

 

(2

)

Net of tax (b)

 

$

—

 

 

$

2

 

 

$

9

 

 

(a)
These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 12 for additional details).
(b)
Description is also the affected line item on the Consolidated Statements of Income.