Supplemental Guarantor Information (Details 1) - USD ($) $ in Millions |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
Dec. 31, 2012 |
CURRENT ASSETS: |
|
|
|
|
Cash and cash equivalents |
$ 131
|
$ 85
|
$ 218
|
$ 172
|
Receivables- |
|
|
|
|
Customers |
1,415
|
1,554
|
|
|
Other Receivables |
180
|
225
|
|
|
Materials and supplies, at average cost |
785
|
817
|
|
|
Derivatives |
157
|
159
|
|
|
Collateral |
70
|
230
|
|
|
Prepayments and other |
167
|
160
|
|
|
Total current assets |
3,040
|
3,358
|
|
|
PROPERTY, PLANT AND EQUIPMENT: |
|
|
|
|
In service |
49,952
|
47,484
|
|
|
Less - Accumulated provision for depreciation |
15,160
|
14,150
|
|
|
Property, plant and equipment in service net of accumulated provision for depreciation |
34,792
|
33,334
|
|
|
Construction work in progress |
2,422
|
2,449
|
|
|
Total net property, plant and equipment |
37,214
|
35,783
|
|
|
INVESTMENTS: |
|
|
|
|
Nuclear plant decommissioning trusts |
2,282
|
2,341
|
|
|
Other |
506
|
881
|
|
|
Total other property and investments |
2,788
|
3,222
|
|
|
DEFERRED CHARGES AND OTHER ASSETS: |
|
|
|
|
Customer intangibles |
331
|
|
|
|
Goodwill |
6,418
|
6,418
|
6,418
|
|
Other |
1,379
|
1,456
|
|
|
Total deferred charges and other assets |
9,145
|
9,285
|
|
|
Total assets |
52,187
|
51,648
|
50,424
|
|
CURRENT LIABILITIES: |
|
|
|
|
Currently payable long-term debt |
1,166
|
804
|
|
|
Short-term borrowings |
1,708
|
1,799
|
|
|
Accounts payable- |
|
|
|
|
Accrued taxes |
519
|
490
|
|
|
Derivatives |
106
|
167
|
|
|
Other |
694
|
693
|
|
|
Total current liabilities |
5,602
|
5,561
|
|
|
CAPITALIZATION: |
|
|
|
|
Total equity |
12,421
|
12,420
|
|
|
Long-term debt and other long-term obligations |
19,192
|
19,176
|
|
|
Total capitalization |
31,614
|
31,598
|
|
|
NONCURRENT LIABILITIES: |
|
|
|
|
Deferred gain on sale and leaseback transaction |
791
|
824
|
|
|
Accumulated deferred income taxes |
6,773
|
6,539
|
|
|
Asset retirement obligations |
1,410
|
1,387
|
|
|
Retirement benefits |
4,245
|
3,932
|
|
|
Other |
1,555
|
1,590
|
|
|
Total noncurrent liabilities |
14,971
|
14,489
|
|
|
Total liabilities and capitalization |
52,187
|
51,648
|
|
|
FES |
|
|
|
|
CURRENT ASSETS: |
|
|
|
|
Cash and cash equivalents |
0
|
0
|
0
|
0
|
Receivables- |
|
|
|
|
Customers |
275
|
415
|
|
|
Affiliated companies |
433
|
484
|
|
|
Other Receivables |
36
|
66
|
|
|
Notes receivable from affiliated companies |
406
|
339
|
|
|
Materials and supplies, at average cost |
53
|
67
|
|
|
Derivatives |
154
|
147
|
|
|
Collateral |
70
|
229
|
|
|
Prepayments and other |
48
|
48
|
|
|
Total current assets |
1,475
|
1,795
|
|
|
PROPERTY, PLANT AND EQUIPMENT: |
|
|
|
|
In service |
93
|
133
|
|
|
Less - Accumulated provision for depreciation |
40
|
36
|
|
|
Property, plant and equipment in service net of accumulated provision for depreciation |
53
|
97
|
|
|
Construction work in progress |
30
|
3
|
|
|
Total net property, plant and equipment |
83
|
100
|
|
|
INVESTMENTS: |
|
|
|
|
Nuclear plant decommissioning trusts |
0
|
0
|
|
|
Investment in affiliated companies |
7,452
|
6,607
|
|
|
Other |
0
|
0
|
|
|
Total other property and investments |
7,452
|
6,607
|
|
|
DEFERRED CHARGES AND OTHER ASSETS: |
|
|
|
|
Accumulated deferred income tax benefits |
300
|
284
|
|
|
Customer intangibles |
61
|
78
|
|
|
Goodwill |
23
|
23
|
|
|
Property taxes |
0
|
0
|
|
|
Unamortized sale and leaseback costs |
|
0
|
|
|
Derivatives |
79
|
52
|
|
|
Other |
33
|
34
|
|
|
Total deferred charges and other assets |
496
|
471
|
|
|
Total assets |
9,506
|
8,973
|
|
|
CURRENT LIABILITIES: |
|
|
|
|
Currently payable long-term debt |
0
|
18
|
|
|
Short-term borrowings |
0
|
90
|
|
|
Accounts payable- |
|
|
|
|
Affiliated companies |
884
|
1,068
|
|
|
Other |
21
|
46
|
|
|
Accrued taxes |
7
|
2
|
|
|
Derivatives |
103
|
166
|
|
|
Other |
66
|
72
|
|
|
Total current liabilities |
3,102
|
2,597
|
|
|
CAPITALIZATION: |
|
|
|
|
Total equity |
5,605
|
5,585
|
|
|
Long-term debt and other long-term obligations |
694
|
695
|
|
|
Total capitalization |
6,299
|
6,280
|
|
|
NONCURRENT LIABILITIES: |
|
|
|
|
Deferred gain on sale and leaseback transaction |
0
|
0
|
|
|
Accumulated deferred income taxes |
6
|
13
|
|
|
Asset retirement obligations |
0
|
0
|
|
|
Retirement benefits |
27
|
36
|
|
|
Derivatives |
37
|
14
|
|
|
Other |
35
|
33
|
|
|
Total noncurrent liabilities |
105
|
96
|
|
|
Total liabilities and capitalization |
9,506
|
8,973
|
|
|
FES | Affiliates |
|
|
|
|
CURRENT LIABILITIES: |
|
|
|
|
Other Short-term Borrowings |
2,021
|
1,135
|
|
|
FGCO |
|
|
|
|
CURRENT ASSETS: |
|
|
|
|
Cash and cash equivalents |
2
|
2
|
2
|
3
|
Receivables- |
|
|
|
|
Customers |
0
|
0
|
|
|
Affiliated companies |
403
|
487
|
|
|
Other Receivables |
4
|
21
|
|
|
Notes receivable from affiliated companies |
1,210
|
838
|
|
|
Materials and supplies, at average cost |
204
|
202
|
|
|
Derivatives |
0
|
0
|
|
|
Collateral |
0
|
0
|
|
|
Prepayments and other |
18
|
19
|
|
|
Total current assets |
1,841
|
1,569
|
|
|
PROPERTY, PLANT AND EQUIPMENT: |
|
|
|
|
In service |
6,367
|
6,217
|
|
|
Less - Accumulated provision for depreciation |
2,144
|
2,058
|
|
|
Property, plant and equipment in service net of accumulated provision for depreciation |
4,223
|
4,159
|
|
|
Construction work in progress |
249
|
206
|
|
|
Total net property, plant and equipment |
4,472
|
4,365
|
|
|
INVESTMENTS: |
|
|
|
|
Nuclear plant decommissioning trusts |
0
|
0
|
|
|
Investment in affiliated companies |
0
|
0
|
|
|
Other |
10
|
10
|
|
|
Total other property and investments |
10
|
10
|
|
|
DEFERRED CHARGES AND OTHER ASSETS: |
|
|
|
|
Accumulated deferred income tax benefits |
16
|
98
|
|
|
Customer intangibles |
0
|
0
|
|
|
Goodwill |
0
|
0
|
|
|
Property taxes |
12
|
14
|
|
|
Unamortized sale and leaseback costs |
|
0
|
|
|
Derivatives |
0
|
0
|
|
|
Other |
318
|
277
|
|
|
Total deferred charges and other assets |
346
|
389
|
|
|
Total assets |
6,669
|
6,333
|
|
|
CURRENT LIABILITIES: |
|
|
|
|
Currently payable long-term debt |
229
|
164
|
|
|
Short-term borrowings |
8
|
9
|
|
|
Accounts payable- |
|
|
|
|
Affiliated companies |
146
|
197
|
|
|
Other |
118
|
202
|
|
|
Accrued taxes |
93
|
62
|
|
|
Derivatives |
1
|
0
|
|
|
Other |
61
|
56
|
|
|
Total current liabilities |
1,045
|
1,011
|
|
|
CAPITALIZATION: |
|
|
|
|
Total equity |
2,944
|
2,561
|
|
|
Long-term debt and other long-term obligations |
2,122
|
2,215
|
|
|
Total capitalization |
5,066
|
4,776
|
|
|
NONCURRENT LIABILITIES: |
|
|
|
|
Deferred gain on sale and leaseback transaction |
0
|
0
|
|
|
Accumulated deferred income taxes |
0
|
0
|
|
|
Asset retirement obligations |
191
|
189
|
|
|
Retirement benefits |
305
|
288
|
|
|
Derivatives |
1
|
0
|
|
|
Other |
61
|
69
|
|
|
Total noncurrent liabilities |
558
|
546
|
|
|
Total liabilities and capitalization |
6,669
|
6,333
|
|
|
FGCO | Affiliates |
|
|
|
|
CURRENT LIABILITIES: |
|
|
|
|
Other Short-term Borrowings |
389
|
321
|
|
|
Nuclear Generation Corp |
|
|
|
|
CURRENT ASSETS: |
|
|
|
|
Cash and cash equivalents |
0
|
0
|
0
|
0
|
Receivables- |
|
|
|
|
Customers |
0
|
0
|
|
|
Affiliated companies |
461
|
674
|
|
|
Other Receivables |
19
|
20
|
|
|
Notes receivable from affiliated companies |
805
|
272
|
|
|
Materials and supplies, at average cost |
213
|
223
|
|
|
Derivatives |
0
|
0
|
|
|
Collateral |
0
|
0
|
|
|
Prepayments and other |
0
|
0
|
|
|
Total current assets |
1,498
|
1,189
|
|
|
PROPERTY, PLANT AND EQUIPMENT: |
|
|
|
|
In service |
8,233
|
7,628
|
|
|
Less - Accumulated provision for depreciation |
3,775
|
3,305
|
|
|
Property, plant and equipment in service net of accumulated provision for depreciation |
4,458
|
4,323
|
|
|
Construction work in progress |
878
|
801
|
|
|
Total net property, plant and equipment |
5,336
|
5,124
|
|
|
INVESTMENTS: |
|
|
|
|
Nuclear plant decommissioning trusts |
1,327
|
1,365
|
|
|
Investment in affiliated companies |
0
|
0
|
|
|
Other |
0
|
0
|
|
|
Total other property and investments |
1,327
|
1,365
|
|
|
DEFERRED CHARGES AND OTHER ASSETS: |
|
|
|
|
Accumulated deferred income tax benefits |
0
|
0
|
|
|
Customer intangibles |
0
|
0
|
|
|
Goodwill |
0
|
0
|
|
|
Property taxes |
28
|
27
|
|
|
Unamortized sale and leaseback costs |
|
0
|
|
|
Derivatives |
0
|
0
|
|
|
Other |
21
|
7
|
|
|
Total deferred charges and other assets |
49
|
34
|
|
|
Total assets |
8,210
|
7,712
|
|
|
CURRENT LIABILITIES: |
|
|
|
|
Currently payable long-term debt |
308
|
348
|
|
|
Short-term borrowings |
0
|
0
|
|
|
Accounts payable- |
|
|
|
|
Affiliated companies |
368
|
219
|
|
|
Other |
0
|
0
|
|
|
Accrued taxes |
62
|
161
|
|
|
Derivatives |
0
|
0
|
|
|
Other |
9
|
9
|
|
|
Total current liabilities |
747
|
765
|
|
|
CAPITALIZATION: |
|
|
|
|
Total equity |
4,476
|
4,014
|
|
|
Long-term debt and other long-term obligations |
847
|
859
|
|
|
Total capitalization |
5,323
|
4,873
|
|
|
NONCURRENT LIABILITIES: |
|
|
|
|
Deferred gain on sale and leaseback transaction |
0
|
0
|
|
|
Accumulated deferred income taxes |
697
|
678
|
|
|
Asset retirement obligations |
640
|
652
|
|
|
Retirement benefits |
0
|
0
|
|
|
Derivatives |
0
|
0
|
|
|
Other |
803
|
744
|
|
|
Total noncurrent liabilities |
2,140
|
2,074
|
|
|
Total liabilities and capitalization |
8,210
|
7,712
|
|
|
Nuclear Generation Corp | Affiliates |
|
|
|
|
CURRENT LIABILITIES: |
|
|
|
|
Other Short-term Borrowings |
0
|
28
|
|
|
Eliminations |
|
|
|
|
CURRENT ASSETS: |
|
|
|
|
Cash and cash equivalents |
0
|
0
|
0
|
0
|
Receivables- |
|
|
|
|
Customers |
0
|
0
|
|
|
Affiliated companies |
(846)
|
(1,120)
|
|
|
Other Receivables |
0
|
0
|
|
|
Notes receivable from affiliated companies |
(2,410)
|
(1,449)
|
|
|
Materials and supplies, at average cost |
0
|
0
|
|
|
Derivatives |
0
|
0
|
|
|
Collateral |
0
|
0
|
|
|
Prepayments and other |
0
|
1
|
|
|
Total current assets |
(3,256)
|
(2,568)
|
|
|
PROPERTY, PLANT AND EQUIPMENT: |
|
|
|
|
In service |
(382)
|
(382)
|
|
|
Less - Accumulated provision for depreciation |
(194)
|
(191)
|
|
|
Property, plant and equipment in service net of accumulated provision for depreciation |
(188)
|
(191)
|
|
|
Construction work in progress |
0
|
0
|
|
|
Total net property, plant and equipment |
(188)
|
(191)
|
|
|
INVESTMENTS: |
|
|
|
|
Nuclear plant decommissioning trusts |
0
|
0
|
|
|
Investment in affiliated companies |
(7,452)
|
(6,607)
|
|
|
Other |
0
|
0
|
|
|
Total other property and investments |
(7,452)
|
(6,607)
|
|
|
DEFERRED CHARGES AND OTHER ASSETS: |
|
|
|
|
Accumulated deferred income tax benefits |
(316)
|
(382)
|
|
|
Customer intangibles |
0
|
0
|
|
|
Goodwill |
0
|
0
|
|
|
Property taxes |
0
|
0
|
|
|
Unamortized sale and leaseback costs |
|
0
|
|
|
Derivatives |
0
|
0
|
|
|
Other |
12
|
13
|
|
|
Total deferred charges and other assets |
(304)
|
(369)
|
|
|
Total assets |
(11,200)
|
(9,735)
|
|
|
CURRENT LIABILITIES: |
|
|
|
|
Currently payable long-term debt |
(25)
|
(24)
|
|
|
Short-term borrowings |
0
|
0
|
|
|
Accounts payable- |
|
|
|
|
Affiliated companies |
(856)
|
(1,068)
|
|
|
Other |
0
|
0
|
|
|
Accrued taxes |
(86)
|
(123)
|
|
|
Derivatives |
0
|
0
|
|
|
Other |
45
|
47
|
|
|
Total current liabilities |
(3,332)
|
(2,617)
|
|
|
CAPITALIZATION: |
|
|
|
|
Total equity |
(7,420)
|
(6,575)
|
|
|
Long-term debt and other long-term obligations |
(1,136)
|
(1,161)
|
|
|
Total capitalization |
(8,556)
|
(7,736)
|
|
|
NONCURRENT LIABILITIES: |
|
|
|
|
Deferred gain on sale and leaseback transaction |
791
|
824
|
|
|
Accumulated deferred income taxes |
(103)
|
(207)
|
|
|
Asset retirement obligations |
0
|
0
|
|
|
Retirement benefits |
0
|
0
|
|
|
Derivatives |
0
|
0
|
|
|
Other |
0
|
1
|
|
|
Total noncurrent liabilities |
688
|
618
|
|
|
Total liabilities and capitalization |
(11,200)
|
(9,735)
|
|
|
Eliminations | Affiliates |
|
|
|
|
CURRENT LIABILITIES: |
|
|
|
|
Other Short-term Borrowings |
(2,410)
|
(1,449)
|
|
|
FES |
|
|
|
|
CURRENT ASSETS: |
|
|
|
|
Cash and cash equivalents |
2
|
2
|
$ 2
|
$ 3
|
Receivables- |
|
|
|
|
Customers |
275
|
415
|
|
|
Affiliated companies |
451
|
525
|
|
|
Other Receivables |
59
|
107
|
|
|
Notes receivable from affiliated companies |
11
|
0
|
|
|
Materials and supplies, at average cost |
470
|
492
|
|
|
Derivatives |
154
|
147
|
|
|
Collateral |
70
|
229
|
|
|
Prepayments and other |
66
|
68
|
|
|
Total current assets |
1,558
|
1,985
|
|
|
PROPERTY, PLANT AND EQUIPMENT: |
|
|
|
|
In service |
14,311
|
13,596
|
|
|
Less - Accumulated provision for depreciation |
5,765
|
5,208
|
|
|
Property, plant and equipment in service net of accumulated provision for depreciation |
8,546
|
8,388
|
|
|
Construction work in progress |
1,157
|
1,010
|
|
|
Total net property, plant and equipment |
9,703
|
9,398
|
|
|
INVESTMENTS: |
|
|
|
|
Nuclear plant decommissioning trusts |
1,327
|
1,365
|
|
|
Investment in affiliated companies |
0
|
0
|
|
|
Other |
10
|
10
|
|
|
Total other property and investments |
1,337
|
1,375
|
|
|
DEFERRED CHARGES AND OTHER ASSETS: |
|
|
|
|
Accumulated deferred income tax benefits |
0
|
0
|
|
|
Customer intangibles |
61
|
78
|
|
|
Goodwill |
23
|
23
|
|
|
Property taxes |
40
|
41
|
|
|
Unamortized sale and leaseback costs |
|
0
|
|
|
Derivatives |
79
|
52
|
|
|
Other |
384
|
331
|
|
|
Total deferred charges and other assets |
587
|
525
|
|
|
Total assets |
13,185
|
13,283
|
|
|
CURRENT LIABILITIES: |
|
|
|
|
Currently payable long-term debt |
512
|
506
|
|
|
Short-term borrowings |
8
|
99
|
|
|
Accounts payable- |
|
|
|
|
Affiliated companies |
542
|
416
|
|
|
Other |
139
|
248
|
|
|
Accrued taxes |
76
|
102
|
|
|
Derivatives |
104
|
166
|
|
|
Other |
181
|
184
|
|
|
Total current liabilities |
1,562
|
1,756
|
|
|
CAPITALIZATION: |
|
|
|
|
Total equity |
5,605
|
5,585
|
|
|
Long-term debt and other long-term obligations |
2,527
|
2,608
|
|
|
Total capitalization |
8,132
|
8,193
|
|
|
NONCURRENT LIABILITIES: |
|
|
|
|
Deferred gain on sale and leaseback transaction |
791
|
824
|
|
|
Accumulated deferred income taxes |
600
|
484
|
|
|
Asset retirement obligations |
831
|
841
|
|
|
Retirement benefits |
332
|
324
|
|
|
Derivatives |
38
|
14
|
|
|
Other |
899
|
847
|
|
|
Total noncurrent liabilities |
3,491
|
3,334
|
|
|
Total liabilities and capitalization |
13,185
|
13,283
|
|
|
FES | Affiliates |
|
|
|
|
CURRENT LIABILITIES: |
|
|
|
|
Other Short-term Borrowings |
$ 0
|
$ 35
|
|
|