Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions |
Jun. 30, 2019 |
Dec. 31, 2018 |
| Current Assets: |
|
|
| Cash and cash equivalents |
$ 1,383
|
$ 1,396
|
| Receivables — |
|
|
| Customer accounts receivable |
1,654
|
1,726
|
| Energy marketing receivables |
361
|
801
|
| Unbilled revenues |
583
|
654
|
| Under recovered fuel clause revenues |
69
|
115
|
| Other accounts and notes receivable |
756
|
813
|
| Accumulated provision for uncollectible accounts |
(50)
|
(50)
|
| Materials and supplies |
1,440
|
1,465
|
| Fossil fuel for generation |
435
|
405
|
| Natural gas for sale |
268
|
524
|
| Prepaid expenses |
543
|
432
|
| Assets from risk management activities, net of collateral |
107
|
222
|
| Other regulatory assets |
607
|
525
|
| Assets held for sale |
58
|
393
|
| Other current assets |
138
|
162
|
| Total current assets |
8,352
|
9,583
|
| Property, Plant, and Equipment: |
|
|
| In service |
103,428
|
103,706
|
| Less: Accumulated depreciation |
30,693
|
31,038
|
| Plant in service, net of depreciation |
72,735
|
72,668
|
| Nuclear fuel, at amortized cost |
871
|
875
|
| Construction work in progress |
7,568
|
7,254
|
| Total property, plant, and equipment |
81,174
|
80,797
|
| Other Property and Investments: |
|
|
| Goodwill |
5,282
|
5,315
|
| Equity investments in unconsolidated subsidiaries |
1,557
|
1,580
|
| Other intangible assets, net of amortization |
550
|
613
|
| Nuclear decommissioning trusts, at fair value |
1,942
|
1,721
|
| Leveraged leases |
813
|
798
|
| Miscellaneous property and investments |
505
|
269
|
| Total other property and investments |
10,649
|
10,296
|
| Deferred Charges and Other Assets: |
|
|
| Operating lease right-of-use assets, net of amortization |
1,862
|
|
| Deferred charges related to income taxes |
794
|
794
|
| Unamortized loss on reacquired debt |
313
|
323
|
| Regulatory assets – asset retirement obligations |
4,062
|
2,933
|
| Other regulatory assets, deferred |
5,835
|
5,375
|
| Assets held for sale, deferred |
685
|
5,350
|
| Other deferred charges and assets |
1,141
|
1,463
|
| Total deferred charges and other assets |
14,692
|
16,238
|
| Total Assets |
114,867
|
116,914
|
| Current Liabilities: |
|
|
| Securities due within one year |
3,148
|
3,198
|
| Notes payable |
1,398
|
2,915
|
| Energy marketing trade payables |
393
|
856
|
| Accounts payable — |
|
|
| Accounts payable |
1,978
|
2,580
|
| Customer deposits |
489
|
522
|
| Accrued taxes — |
|
|
| Accrued income taxes |
171
|
21
|
| Other accrued taxes |
501
|
635
|
| Accrued interest |
455
|
472
|
| Accrued compensation |
676
|
1,030
|
| Asset retirement obligations |
429
|
404
|
| Other regulatory liabilities |
304
|
376
|
| Liabilities held for sale |
36
|
425
|
| Operating lease obligations |
228
|
|
| Other current liabilities |
793
|
852
|
| Total current liabilities |
10,999
|
14,286
|
| Long-term Debt |
39,682
|
40,736
|
| Deferred Credits and Other Liabilities: |
|
|
| Accumulated deferred income taxes |
7,728
|
6,558
|
| Deferred credits related to income taxes |
6,386
|
6,460
|
| Accumulated deferred ITCs |
2,283
|
2,372
|
| Employee benefit obligations |
2,058
|
2,147
|
| Operating lease obligations, deferred |
1,702
|
|
| Asset retirement obligations, deferred |
9,478
|
8,990
|
| Accrued environmental remediation |
247
|
268
|
| Other cost of removal obligations |
2,283
|
2,297
|
| Other regulatory liabilities, deferred |
176
|
169
|
| Liabilities held for sale, deferred |
39
|
2,836
|
| Other deferred credits and liabilities |
384
|
465
|
| Total deferred credits and other liabilities |
32,764
|
32,562
|
| Total Liabilities |
83,445
|
87,584
|
| Redeemable Preferred Stock of Subsidiaries |
291
|
291
|
| Total stockholders' equity |
31,131
|
29,039
|
| Total Liabilities and Stockholders' Equity |
114,867
|
116,914
|
| ALABAMA POWER CO |
|
|
| Current Assets: |
|
|
| Cash and cash equivalents |
623
|
313
|
| Receivables — |
|
|
| Customer accounts receivable |
432
|
403
|
| Unbilled revenues |
173
|
150
|
| Other accounts and notes receivable |
55
|
51
|
| Accumulated provision for uncollectible accounts |
(10)
|
(10)
|
| Affiliated |
38
|
94
|
| Materials and supplies |
530
|
546
|
| Fossil fuel for generation |
143
|
141
|
| Prepaid expenses |
170
|
66
|
| Other regulatory assets |
204
|
137
|
| Other current assets |
26
|
18
|
| Total current assets |
2,384
|
1,909
|
| Property, Plant, and Equipment: |
|
|
| In service |
29,070
|
30,402
|
| Less: Accumulated depreciation |
9,397
|
9,988
|
| Plant in service, net of depreciation |
19,673
|
20,414
|
| Nuclear fuel, at amortized cost |
322
|
324
|
| Construction work in progress |
1,097
|
1,113
|
| Total property, plant, and equipment |
21,092
|
21,851
|
| Other Property and Investments: |
|
|
| Equity investments in unconsolidated subsidiaries |
64
|
65
|
| Nuclear decommissioning trusts, at fair value |
964
|
847
|
| Miscellaneous property and investments |
129
|
127
|
| Total other property and investments |
1,157
|
1,039
|
| Deferred Charges and Other Assets: |
|
|
| Operating lease right-of-use assets, net of amortization |
152
|
|
| Deferred charges related to income taxes |
240
|
240
|
| Regulatory assets – asset retirement obligations |
1,016
|
147
|
| Other regulatory assets, deferred |
1,824
|
1,240
|
| Other deferred charges and assets |
177
|
188
|
| Deferred under recovered regulatory clause revenues |
25
|
116
|
| Total deferred charges and other assets |
3,434
|
1,931
|
| Total Assets |
28,067
|
26,730
|
| Current Liabilities: |
|
|
| Securities due within one year |
1
|
201
|
| Accounts payable — |
|
|
| Affiliated |
321
|
364
|
| Other |
334
|
614
|
| Customer deposits |
98
|
96
|
| Accrued taxes — |
|
|
| Other accrued taxes |
102
|
44
|
| Accrued interest |
88
|
89
|
| Accrued compensation |
140
|
227
|
| Asset retirement obligations |
156
|
163
|
| Operating lease obligations |
48
|
|
| Other current liabilities |
155
|
161
|
| Total current liabilities |
1,395
|
1,959
|
| Long-term Debt |
7,926
|
7,923
|
| Deferred Credits and Other Liabilities: |
|
|
| Accumulated deferred income taxes |
3,117
|
2,962
|
| Deferred credits related to income taxes |
2,006
|
2,027
|
| Accumulated deferred ITCs |
103
|
106
|
| Employee benefit obligations |
309
|
314
|
| Operating lease obligations, deferred |
137
|
|
| Asset retirement obligations, deferred |
3,389
|
3,047
|
| Other cost of removal obligations |
464
|
497
|
| Other regulatory liabilities, deferred |
69
|
69
|
| Other deferred credits and liabilities |
32
|
58
|
| Total deferred credits and other liabilities |
9,626
|
9,080
|
| Total Liabilities |
18,947
|
18,962
|
| Redeemable Preferred Stock |
291
|
291
|
| Total stockholders' equity |
8,829
|
7,477
|
| Total Liabilities and Stockholders' Equity |
28,067
|
26,730
|
| GEORGIA POWER CO |
|
|
| Current Assets: |
|
|
| Cash and cash equivalents |
10
|
4
|
| Restricted cash and cash equivalents |
0
|
108
|
| Receivables — |
|
|
| Customer accounts receivable |
603
|
591
|
| Unbilled revenues |
267
|
208
|
| Under recovered fuel clause revenues |
69
|
115
|
| Other accounts and notes receivable |
240
|
80
|
| Accumulated provision for uncollectible accounts |
(2)
|
(2)
|
| Affiliated |
16
|
39
|
| Joint owner accounts receivable |
178
|
170
|
| Materials and supplies |
513
|
519
|
| Fossil fuel for generation |
257
|
231
|
| Prepaid expenses |
68
|
142
|
| Other regulatory assets |
240
|
199
|
| Other current assets |
58
|
70
|
| Total current assets |
2,517
|
2,474
|
| Property, Plant, and Equipment: |
|
|
| In service |
38,517
|
37,675
|
| Less: Accumulated depreciation |
12,140
|
12,096
|
| Plant in service, net of depreciation |
26,377
|
25,579
|
| Nuclear fuel, at amortized cost |
549
|
550
|
| Construction work in progress |
5,193
|
4,833
|
| Total property, plant, and equipment |
32,119
|
30,962
|
| Other Property and Investments: |
|
|
| Equity investments in unconsolidated subsidiaries |
51
|
51
|
| Nuclear decommissioning trusts, at fair value |
978
|
873
|
| Miscellaneous property and investments |
74
|
72
|
| Total other property and investments |
1,103
|
996
|
| Deferred Charges and Other Assets: |
|
|
| Operating lease right-of-use assets, net of amortization |
1,492
|
|
| Deferred charges related to income taxes |
518
|
517
|
| Regulatory assets – asset retirement obligations |
2,839
|
2,644
|
| Other regulatory assets, deferred |
2,272
|
2,258
|
| Other deferred charges and assets |
379
|
514
|
| Total deferred charges and other assets |
7,500
|
5,933
|
| Total Assets |
43,239
|
40,365
|
| Current Liabilities: |
|
|
| Securities due within one year |
988
|
617
|
| Notes payable |
555
|
294
|
| Accounts payable — |
|
|
| Affiliated |
477
|
575
|
| Other |
901
|
890
|
| Customer deposits |
282
|
276
|
| Accrued taxes — |
|
|
| Other accrued taxes |
238
|
377
|
| Accrued interest |
112
|
105
|
| Accrued compensation |
163
|
221
|
| Asset retirement obligations |
240
|
202
|
| Other regulatory liabilities |
145
|
169
|
| Operating lease obligations |
140
|
|
| Other current liabilities |
383
|
183
|
| Total current liabilities |
4,484
|
3,909
|
| Long-term Debt |
10,150
|
9,364
|
| Deferred Credits and Other Liabilities: |
|
|
| Accumulated deferred income taxes |
3,212
|
3,062
|
| Deferred credits related to income taxes |
3,078
|
3,080
|
| Accumulated deferred ITCs |
257
|
262
|
| Employee benefit obligations |
550
|
599
|
| Operating lease obligations, deferred |
1,377
|
|
| Asset retirement obligations, deferred |
5,643
|
5,627
|
| Other deferred credits and liabilities |
172
|
139
|
| Total deferred credits and other liabilities |
14,289
|
12,769
|
| Total Liabilities |
28,923
|
26,042
|
| Total stockholders' equity |
14,316
|
14,323
|
| Total Liabilities and Stockholders' Equity |
43,239
|
40,365
|
| MISSISSIPPI POWER CO |
|
|
| Current Assets: |
|
|
| Cash and cash equivalents |
199
|
293
|
| Receivables — |
|
|
| Customer accounts receivable |
38
|
34
|
| Unbilled revenues |
44
|
41
|
| Other accounts and notes receivable |
38
|
31
|
| Affiliated |
17
|
21
|
| Materials and supplies |
52
|
53
|
| Fossil fuel for generation |
23
|
20
|
| Other regulatory assets |
107
|
116
|
| Other current assets |
13
|
19
|
| Total current assets |
531
|
628
|
| Property, Plant, and Equipment: |
|
|
| In service |
4,800
|
4,900
|
| Less: Accumulated depreciation |
1,427
|
1,429
|
| Plant in service, net of depreciation |
3,373
|
3,471
|
| Construction work in progress |
113
|
103
|
| Total property, plant, and equipment |
3,486
|
3,574
|
| Other Property and Investments: |
|
|
| Total other property and investments |
124
|
24
|
| Deferred Charges and Other Assets: |
|
|
| Operating lease right-of-use assets, net of amortization |
7
|
|
| Deferred charges related to income taxes |
33
|
33
|
| Regulatory assets – asset retirement obligations |
207
|
143
|
| Other regulatory assets, deferred |
328
|
332
|
| Other deferred charges and assets |
20
|
2
|
| Accumulated deferred income taxes |
145
|
150
|
| Total deferred charges and other assets |
733
|
660
|
| Total Assets |
4,874
|
4,886
|
| Current Liabilities: |
|
|
| Securities due within one year |
300
|
40
|
| Accounts payable — |
|
|
| Affiliated |
60
|
60
|
| Other |
49
|
90
|
| Accrued taxes — |
|
|
| Other accrued taxes |
52
|
95
|
| Accrued interest |
15
|
15
|
| Accrued compensation |
23
|
38
|
| Asset retirement obligations |
27
|
34
|
| Other regulatory liabilities |
20
|
12
|
| Operating lease obligations |
2
|
|
| Other current liabilities |
52
|
28
|
| Accrued plant closure costs |
24
|
29
|
| Over recovered regulatory clause liabilities |
12
|
14
|
| Total current liabilities |
634
|
455
|
| Long-term Debt |
1,318
|
1,539
|
| Deferred Credits and Other Liabilities: |
|
|
| Accumulated deferred income taxes |
366
|
378
|
| Deferred credits related to income taxes |
362
|
382
|
| Employee benefit obligations |
110
|
115
|
| Operating lease obligations, deferred |
5
|
|
| Asset retirement obligations, deferred |
177
|
126
|
| Other cost of removal obligations |
189
|
185
|
| Other regulatory liabilities, deferred |
79
|
81
|
| Other deferred credits and liabilities |
22
|
16
|
| Total deferred credits and other liabilities |
1,305
|
1,283
|
| Total Liabilities |
3,257
|
3,277
|
| Total stockholders' equity |
1,617
|
1,609
|
| Total Liabilities and Stockholders' Equity |
4,874
|
4,886
|
| SOUTHERN POWER CO |
|
|
| Current Assets: |
|
|
| Cash and cash equivalents |
370
|
181
|
| Receivables — |
|
|
| Customer accounts receivable |
153
|
111
|
| Other accounts and notes receivable |
59
|
116
|
| Affiliated |
49
|
55
|
| Materials and supplies |
185
|
220
|
| Other current assets |
33
|
37
|
| Prepaid income taxes |
489
|
25
|
| Total current assets |
1,338
|
745
|
| Property, Plant, and Equipment: |
|
|
| In service |
12,862
|
13,271
|
| Less: Accumulated depreciation |
2,255
|
2,171
|
| Plant in service, net of depreciation |
10,607
|
11,100
|
| Construction work in progress |
419
|
430
|
| Total property, plant, and equipment |
11,026
|
11,530
|
| Other Property and Investments: |
|
|
| Miscellaneous property and investments |
144
|
0
|
| Intangible assets, net of amortization |
313
|
345
|
| Total other property and investments |
457
|
345
|
| Deferred Charges and Other Assets: |
|
|
| Operating lease right-of-use assets, net of amortization |
370
|
|
| Assets held for sale, deferred |
599
|
576
|
| Other deferred charges and assets |
289
|
373
|
| Prepaid LTSAs |
107
|
98
|
| Accumulated deferred income taxes |
296
|
1,186
|
| Income taxes receivable, non-current |
36
|
30
|
| Total deferred charges and other assets |
1,697
|
2,263
|
| Total Assets |
14,518
|
14,883
|
| Current Liabilities: |
|
|
| Securities due within one year |
899
|
599
|
| Notes payable |
0
|
100
|
| Accounts payable — |
|
|
| Affiliated |
72
|
92
|
| Other |
60
|
77
|
| Accrued taxes — |
|
|
| Accrued income taxes |
23
|
6
|
| Accrued interest |
23
|
36
|
| Liabilities held for sale |
10
|
15
|
| Operating lease obligations |
22
|
|
| Other current liabilities |
116
|
106
|
| Total current liabilities |
1,203
|
1,031
|
| Long-term Debt |
4,112
|
4,418
|
| Deferred Credits and Other Liabilities: |
|
|
| Accumulated deferred income taxes |
106
|
105
|
| Accumulated deferred ITCs |
1,737
|
1,832
|
| Operating lease obligations, deferred |
373
|
|
| Other deferred credits and liabilities |
169
|
213
|
| Total deferred credits and other liabilities |
2,385
|
2,150
|
| Total Liabilities |
7,700
|
7,599
|
| Total stockholders' equity |
6,818
|
7,284
|
| Total Liabilities and Stockholders' Equity |
14,518
|
14,883
|
| SOUTHERN Co GAS |
|
|
| Current Assets: |
|
|
| Cash and cash equivalents |
56
|
64
|
| Receivables — |
|
|
| Customer accounts receivable |
281
|
370
|
| Energy marketing receivables |
361
|
801
|
| Unbilled revenues |
63
|
213
|
| Other accounts and notes receivable |
100
|
142
|
| Accumulated provision for uncollectible accounts |
(31)
|
(30)
|
| Affiliated |
10
|
11
|
| Natural gas for sale |
268
|
524
|
| Prepaid expenses |
120
|
118
|
| Assets from risk management activities, net of collateral |
101
|
219
|
| Other regulatory assets |
56
|
73
|
| Other current assets |
44
|
50
|
| Total current assets |
1,429
|
2,555
|
| Property, Plant, and Equipment: |
|
|
| In service |
15,680
|
15,177
|
| Less: Accumulated depreciation |
4,522
|
4,400
|
| Plant in service, net of depreciation |
11,158
|
10,777
|
| Construction work in progress |
628
|
580
|
| Total property, plant, and equipment |
11,786
|
11,357
|
| Other Property and Investments: |
|
|
| Goodwill |
5,015
|
5,015
|
| Equity investments in unconsolidated subsidiaries |
1,509
|
1,538
|
| Other intangible assets, net of amortization |
85
|
101
|
| Miscellaneous property and investments |
20
|
20
|
| Total other property and investments |
6,629
|
6,674
|
| Deferred Charges and Other Assets: |
|
|
| Operating lease right-of-use assets, net of amortization |
95
|
|
| Other regulatory assets, deferred |
636
|
669
|
| Other deferred charges and assets |
186
|
193
|
| Total deferred charges and other assets |
917
|
862
|
| Total Assets |
20,761
|
21,448
|
| Current Liabilities: |
|
|
| Securities due within one year |
351
|
357
|
| Notes payable |
492
|
650
|
| Energy marketing trade payables |
393
|
856
|
| Accounts payable — |
|
|
| Affiliated |
38
|
45
|
| Other |
294
|
402
|
| Customer deposits |
92
|
133
|
| Accrued taxes — |
|
|
| Accrued income taxes |
17
|
66
|
| Other accrued taxes |
70
|
75
|
| Accrued interest |
57
|
55
|
| Accrued compensation |
64
|
100
|
| Other regulatory liabilities |
97
|
79
|
| Operating lease obligations |
15
|
|
| Other current liabilities |
124
|
130
|
| Liabilities from risk management activities, net of collateral |
22
|
76
|
| Total current liabilities |
2,111
|
3,024
|
| Long-term Debt |
5,565
|
5,583
|
| Deferred Credits and Other Liabilities: |
|
|
| Accumulated deferred income taxes |
1,088
|
1,016
|
| Deferred credits related to income taxes |
910
|
940
|
| Employee benefit obligations |
354
|
357
|
| Operating lease obligations, deferred |
79
|
|
| Accrued environmental remediation |
247
|
268
|
| Other cost of removal obligations |
1,598
|
1,585
|
| Other deferred credits and liabilities |
50
|
105
|
| Total deferred credits and other liabilities |
4,326
|
4,271
|
| Total Liabilities |
12,002
|
12,878
|
| Total stockholders' equity |
8,759
|
8,570
|
| Total Liabilities and Stockholders' Equity |
$ 20,761
|
$ 21,448
|