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Taxes (Tables)
12 Months Ended
Dec. 31, 2019
Income Tax Disclosure [Abstract]  
Provision for income taxes (benefits)
 
 
For the Years Ended December 31,
INCOME TAXES(1)
 
2019
 
2018
 
2017
 
 
(In millions)
Currently payable (receivable)-
 
 
 
 
 
 
Federal
 
$
(16
)
 
$
(16
)
 
$
14

State(2)
 
24

 
17

 
20

 
 
8

 
1

 
34

Deferred, net-
 
 
 
 
 
 
Federal(3)
 
150

 
252

 
1,647

State(4)
 
60

 
243

 
40

 
 
210

 
495

 
1,687

Investment tax credit amortization
 
(5
)
 
(6
)
 
(6
)
Total income taxes
 
$
213

 
$
490

 
$
1,715



(1) 
Income Taxes on Income from Continuing Operations.
(2) 
Excludes $1 million and $22 million of state tax expense associated with discontinued operations for the years ended December 31, 2018 and 2017, respectively.
(3) 
Excludes $(9) million, $(1.3) billion and $(771) million of federal tax benefit associated with discontinued operations for the years ended December 31, 2019, 2018 and 2017, respectively.
(4) 
Excludes $4 million, $12 million and $(69) million of state tax expense (benefit) associated with discontinued operations for the years ended December 31, 2019, 2018 and 2017, respectively.

Reconciliation of federal income tax expense at the federal statutory rate to the total provision for income taxes The following tables provide a reconciliation of federal income tax expense (benefit) at the federal statutory rate to the total income taxes (benefits) for the years ended December 31, 2019, 2018 and 2017:
 
For the Years Ended December 31,
 
2019
 
2018
 
2017
 
(In millions)
 
 
 
 
 
 
Income from Continuing Operations, before income taxes
$
1,117

 
$
1,512

 
$
1,426

Federal income tax expense at statutory rate (21%, 21%, and 35% for 2019, 2018, and 2017, respectively)
$
235

 
$
318

 
$
499

Increases (reductions) in taxes resulting from-
 
 
 
 
 
State income taxes, net of federal tax benefit
96

 
90

 
40

AFUDC equity and other flow-through
(36
)
 
(31
)
 
(15
)
Amortization of investment tax credits
(5
)
 
(5
)
 
(6
)
ESOP dividend
(3
)
 
(3
)
 
(5
)
Remeasurement of deferred taxes

 
24

 
1,193

WV unitary group remeasurement

 
126

 

Excess deferred tax amortization due to the Tax Act
(74
)
 
(60
)
 

Uncertain tax positions
(11
)
 
2

 
(3
)
Valuation allowances
5

 
21

 
11

Other, net
6

 
8

 
1

Total income taxes
$
213

 
$
490

 
$
1,715

Effective income tax rate
19.1
%
 
32.4
%
 
120.3
%

Accumulated deferred income taxes
Accumulated deferred income taxes as of December 31, 2019 and 2018, are as follows:
 
 
As of December 31,
 
 
2019
 
2018
 
 
(In millions)
Property basis differences
 
$
5,037

 
$
4,737

Pension and OPEB
 
(698
)
 
(629
)
TMI-2 nuclear decommissioning
 
89

 
82

AROs
 
(226
)
 
(215
)
Regulatory asset/liability
 
445

 
414

Deferred compensation
 
(154
)
 
(170
)
Estimated worthless stock deduction
 
(1,007
)
 
(1,004
)
Loss carryforwards and AMT credits
 
(836
)
 
(899
)
Valuation reserve
 
441

 
394

All other
 
(242
)
 
(208
)
Net deferred income tax liability
 
$
2,849

 
$
2,502


Pre-tax net operating loss expiration period
Expiration Period
 
State
 
Local
 
 
(In millions)
2020-2024
 
$
1,844

 
$
1,081

2025-2029
 
1,652

 

2030-2034
 
1,265

 

2035-2039
 
886

 

Indefinite
 
67

 

 
 
$
5,714

 
$
1,081


Changes in unrecognized tax benefits
The following table summarizes the changes in unrecognized tax positions for the years ended December 31, 2019, 2018 and 2017:
 
 
(In millions)
Balance, January 1, 2017
 
$
84

Current year increases
 
2

Decrease for lapse in statute
 
(6
)
Balance, December 31, 2017
 
$
80

Current year increases
 
125

Prior year decreases
 
(45
)
Decrease for lapse in statute
 
(2
)
Balance, December 31, 2018
 
$
158

Current year increases
 
22

Prior years decreases
 
(12
)
Decrease for lapse in statute
 
(4
)
Balance, December 31, 2019
 
$
164


Details of general taxes
General tax expense for the years ended December 31, 2019, 2018 and 2017, recognized in continuing operations is summarized as follows:
 
 
For the Years Ended December 31,
 
 
2019
 
2018
 
2017
 
 
(In millions)
KWH excise
 
$
191

 
$
198

 
$
188

State gross receipts
 
185

 
192

 
184

Real and personal property
 
504

 
478

 
452

Social security and unemployment
 
100

 
103

 
96

Other
 
28

 
22

 
20

Total general taxes
 
$
1,008

 
$
993

 
$
940