v3.26.3
Income Taxes (Tables)
9 Months Ended
Sep. 30, 2026
Income Tax Disclosure [Abstract]  
Summary of Significant Factors Impact on Difference Between Effective Tax Rate and Federal Statutory Rate

The following table reconciles the difference between the Company's effective tax rate and the federal statutory rate on income from continuing operations, including equity method earnings (losses), for the three and nine months ended September 30 (dollars in millions):

 

 

Three months ended September 30,

 

 

Nine months ended September 30,

 

 

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Income from continuing operations before income tax expense

 

$

56

 

 

N/A

 

 

$

31

 

 

N/A

 

 

$

202

 

 

N/A

 

 

$

137

 

 

N/A

 

U.S. federal statutory tax rate

 

 

11

 

 

 

21.0

%

 

 

7

 

 

 

21.0

%

 

 

42

 

 

 

21.0

%

 

 

29

 

 

 

21.0

%

State income taxes, net of federal income tax effect

 

 

—

 

 

 

—

 

 

 

—

 

 

 

—

 

 

 

1

 

 

 

0.5

 

 

 

1

 

 

 

0.7

 

Other adjustments:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flow through related to deduction of meters and mixed service costs (1)

 

 

(1

)

 

 

(2.2

)

 

 

(1

)

 

 

(1.5

)

 

 

(5

)

 

 

(2.5

)

 

 

(5

)

 

 

(3.5

)

Excess deferred tax amortization

 

 

(3

)

 

 

(6.3

)

 

 

(2

)

 

 

(6.5

)

 

 

(8

)

 

 

(4.0

)

 

 

(7

)

 

 

(5.1

)

Other

 

 

—

 

 

 

—

 

 

 

(2

)

 

 

(6.5

)

 

 

(4

)

 

 

(2.1

)

 

 

(3

)

 

 

(2.2

)

Total other adjustments

 

 

(4

)

 

 

(8.5

)

 

 

(5

)

 

 

(14.5

)

 

 

(17

)

 

 

(8.6

)

 

 

(15

)

 

 

(10.8

)

Effective tax rate

 

$

7

 

 

 

12.5

%

 

$

2

 

 

 

6.5

%

 

$

26

 

 

 

12.9

%

 

$

15

 

 

 

10.9

%

(1)
The Company's general rate cases included approval of base rate increases, offset by tax customer credits. As the tax customer credits are returned to customers, this results in a decrease to income tax expense as a result of flowing through the benefits related to meters and mixed service costs.