v3.7.0.1
Condensed Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Current Assets:    
Cash and cash equivalents $ 1,094 $ 1,975
Receivables —    
Customer accounts receivable 1,560 1,565
Energy marketing receivable 493 623
Unbilled revenues 589 706
Under recovered regulatory clause revenues 47 18
Income taxes receivable, current 544 544
Other accounts and notes receivable 433 377
Accumulated provision for uncollectible accounts (53) (43)
Fossil fuel for generation 687 689
Materials and supplies 1,477 1,462
Natural gas for sale 346 631
Prepaid expenses 401 364
Other regulatory assets, current 560 581
Other current assets 249 230
Total current assets 8,427 9,722
Property, Plant, and Equipment:    
In service 99,774 98,416
Less: Accumulated depreciation 30,330 29,852
Plant in service, net of depreciation 69,444 68,564
Nuclear fuel, at amortized cost 902 905
Construction work in progress 9,465 8,977
Total property, plant, and equipment 79,811 78,446
Other Property and Investments:    
Goodwill 6,251 6,251
Equity investments in unconsolidated subsidiaries 1,615 1,549
Other intangible assets, net of amortization 935 970
Nuclear decommissioning trusts, at fair value 1,678 1,606
Leveraged leases 780 774
Miscellaneous property and investments 293 270
Total other property and investments 11,552 11,420
Deferred Charges and Other Assets:    
Deferred charges related to income taxes 1,647 1,629
Unamortized loss on reacquired debt 218 223
Other regulatory assets, deferred 6,748 6,851
Other deferred charges and assets 1,357 1,406
Total deferred charges and other assets 9,970 10,109
Total Assets 109,760 109,697
Current Liabilities:    
Securities due within one year 3,269 2,587
Notes payable 2,818 2,241
Energy marketing trade payables 471 597
Accounts payable —    
Accounts payable 1,750 2,228
Customer deposits 541 558
Accrued taxes —    
Accrued income taxes 258 193
Other accrued taxes 326 667
Unrecognized tax benefits 400 385
Accrued interest 453 518
Accrued compensation 461 915
Asset retirement obligations, current 386 378
Liabilities from risk management activities, net of collateral 63 107
Acquisitions payable 0 489
Other regulatory liabilities, current 221 236
Other current liabilities 867 818
Total current liabilities 12,284 12,917
Long-term Debt:    
Long-term Debt 42,786 42,629
Deferred Credits and Other Liabilities:    
Accumulated deferred income taxes 14,307 14,092
Deferred credits related to income taxes 215 219
Accumulated deferred investment tax credits 2,264 2,228
Employee benefit obligations 2,234 2,299
Asset retirement obligations, deferred 4,170 4,136
Accrued environmental remediation 388 397
Other cost of removal obligations 2,724 2,748
Other regulatory liabilities, deferred 237 258
Other deferred credits and liabilities 873 880
Total deferred credits and other liabilities 27,412 27,257
Total Liabilities 82,482 82,803
Redeemable Preferred Stock of Subsidiaries 118 118
Redeemable Noncontrolling Interests 164 164
Common Stockholders' Equity:    
Par value 4,973 4,952
Paid-in capital 9,884 9,661
Treasury, at cost (33) (31)
Retained earnings (accumulated deficit) 10,459 10,356
Accumulated other comprehensive loss (189) (180)
Total Common Stockholders' Equity 25,094 24,758
Preferred and Preference Stock of Subsidiaries 609 609
Noncontrolling Interests 1,293 1,245
Total Stockholders' Equity 26,996 26,612
Total Liabilities and Stockholders' Equity 109,760 109,697
Alabama Power [Member]    
Current Assets:    
Cash and cash equivalents 696 420
Receivables —    
Customer accounts receivable 326 348
Unbilled revenues 127 146
Other accounts and notes receivable 31 27
Affiliated 35 40
Accumulated provision for uncollectible accounts (10) (10)
Fossil fuel for generation 195 205
Materials and supplies 444 435
Prepaid expenses 106 34
Other regulatory assets, current 141 149
Other current assets 8 11
Total current assets 2,099 1,805
Property, Plant, and Equipment:    
In service 26,134 26,031
Less: Accumulated depreciation 9,241 9,112
Plant in service, net of depreciation 16,893 16,919
Nuclear fuel, at amortized cost 332 336
Construction work in progress 642 491
Total property, plant, and equipment 17,867 17,746
Other Property and Investments:    
Equity investments in unconsolidated subsidiaries 65 66
Nuclear decommissioning trusts, at fair value 825 792
Miscellaneous property and investments 113 112
Total other property and investments 1,003 970
Deferred Charges and Other Assets:    
Deferred charges related to income taxes 526 525
Deferred under recovered regulatory clause revenues 0 150
Other regulatory assets, deferred 1,218 1,157
Other deferred charges and assets 156 163
Total deferred charges and other assets 1,900 1,995
Total Assets 22,869 22,516
Current Liabilities:    
Securities due within one year 361 561
Accounts payable —    
Affiliated 224 297
Other 232 433
Customer deposits 90 88
Accrued taxes —    
Accrued income taxes 95 45
Other accrued taxes 65 42
Accrued interest 65 78
Accrued compensation 95 193
Other regulatory liabilities, current 45 85
Other current liabilities 71 76
Total current liabilities 1,343 1,898
Long-term Debt:    
Long-term Debt 7,081 6,535
Deferred Credits and Other Liabilities:    
Accumulated deferred income taxes 4,714 4,654
Deferred credits related to income taxes 65 65
Accumulated deferred investment tax credits 108 110
Employee benefit obligations 288 300
Asset retirement obligations, deferred 1,523 1,503
Other cost of removal obligations 667 684
Other regulatory liabilities, deferred 88 100
Other deferred credits and liabilities 70 63
Total deferred credits and other liabilities 7,523 7,479
Total Liabilities 15,947 15,912
Redeemable Preferred Stock 85 85
Preference Stock 196 196
Common Stockholders' Equity:    
Par value 1,222 1,222
Paid-in capital 2,936 2,613
Retained earnings (accumulated deficit) 2,513 2,518
Accumulated other comprehensive loss (30) (30)
Total Common Stockholders' Equity 6,641 6,323
Total Liabilities and Stockholders' Equity 22,869 22,516
Georgia Power [Member]    
Current Assets:    
Cash and cash equivalents 21 3
Receivables —    
Customer accounts receivable 470 523
Unbilled revenues 200 224
Joint owner accounts receivable 146 57
Other accounts and notes receivable 57 81
Affiliated 12 18
Accumulated provision for uncollectible accounts (3) (3)
Fossil fuel for generation 336 298
Materials and supplies 474 479
Prepaid expenses 35 105
Other regulatory assets, current 195 193
Other current assets 38 38
Total current assets 1,981 2,016
Property, Plant, and Equipment:    
In service 34,059 33,841
Less: Accumulated depreciation 11,443 11,317
Plant in service, net of depreciation 22,616 22,524
Nuclear fuel, at amortized cost 570 569
Construction work in progress 5,183 4,939
Total property, plant, and equipment 28,369 28,032
Other Property and Investments:    
Equity investments in unconsolidated subsidiaries 58 60
Nuclear decommissioning trusts, at fair value 853 814
Miscellaneous property and investments 46 46
Total other property and investments 957 920
Deferred Charges and Other Assets:    
Deferred charges related to income taxes 676 676
Other regulatory assets, deferred 2,792 2,774
Other deferred charges and assets 473 417
Total deferred charges and other assets 3,941 3,867
Total Assets 35,248 34,835
Current Liabilities:    
Securities due within one year 488 460
Notes payable 0 391
Accounts payable —    
Affiliated 347 438
Other 657 589
Customer deposits 268 265
Accrued taxes —    
Accrued income taxes 56 17
Other accrued taxes 115 390
Accrued interest 115 106
Accrued compensation 110 224
Asset retirement obligations, current 305 299
Other current liabilities 241 297
Total current liabilities 2,702 3,476
Long-term Debt:    
Long-term Debt 11,042 10,225
Deferred Credits and Other Liabilities:    
Accumulated deferred income taxes 6,073 6,000
Deferred credits related to income taxes 119 121
Accumulated deferred investment tax credits 253 256
Employee benefit obligations 673 703
Asset retirement obligations, deferred 2,256 2,233
Other deferred credits and liabilities 214 199
Total deferred credits and other liabilities 9,588 9,512
Total Liabilities 23,332 23,213
Redeemable Preferred Stock 45 45
Preference Stock 221 221
Common Stockholders' Equity:    
Par value 398 398
Paid-in capital 7,238 6,885
Retained earnings (accumulated deficit) 4,026 4,086
Accumulated other comprehensive loss (12) (13)
Total Common Stockholders' Equity 11,650 11,356
Total Liabilities and Stockholders' Equity 35,248 34,835
Gulf Power [Member]    
Current Assets:    
Cash and cash equivalents 32 56
Receivables —    
Customer accounts receivable 58 72
Unbilled revenues 52 55
Under recovered regulatory clause revenues 47 17
Other accounts and notes receivable 9 6
Affiliated 28 17
Accumulated provision for uncollectible accounts (1) (1)
Fossil fuel for generation 59 71
Materials and supplies 56 55
Other regulatory assets, current 50 44
Other current assets 22 30
Total current assets 412 422
Property, Plant, and Equipment:    
In service 5,110 5,140
Less: Accumulated depreciation 1,401 1,382
Plant in service, net of depreciation 3,709 3,758
Construction work in progress 67 51
Total property, plant, and equipment 3,776 3,809
Deferred Charges and Other Assets:    
Deferred charges related to income taxes 57 58
Other regulatory assets, deferred 501 512
Other deferred charges and assets 21 21
Total deferred charges and other assets 579 591
Total Assets 4,767 4,822
Current Liabilities:    
Securities due within one year 92 87
Notes payable 100 268
Accounts payable —    
Affiliated 47 59
Other 47 54
Customer deposits 35 35
Accrued taxes —    
Other accrued taxes 16 20
Accrued interest 18 8
Accrued compensation 17 40
Deferred capacity expense, current 22 22
Asset retirement obligations, current 32 16
Other regulatory liabilities, current 5 16
Other current liabilities 30 24
Total current liabilities 461 649
Long-term Debt:    
Long-term Debt 987 987
Deferred Credits and Other Liabilities:    
Accumulated deferred income taxes 952 948
Employee benefit obligations 94 96
Deferred capacity expense 114 119
Asset retirement obligations, deferred 106 120
Other cost of removal obligations 226 249
Other regulatory liabilities, deferred 48 47
Other deferred credits and liabilities 78 71
Total deferred credits and other liabilities 1,618 1,650
Total Liabilities 3,066 3,286
Preference Stock 147 147
Common Stockholders' Equity:    
Par value 678 503
Paid-in capital 594 589
Retained earnings (accumulated deficit) 282 296
Accumulated other comprehensive loss 0 1
Total Common Stockholders' Equity 1,554 1,389
Total Liabilities and Stockholders' Equity 4,767 4,822
Mississippi Power [Member]    
Current Assets:    
Cash and cash equivalents 6 224
Receivables —    
Customer accounts receivable 26 29
Unbilled revenues 38 42
Income taxes receivable, current 544 544
Other accounts and notes receivable 17 14
Affiliated 14 15
Fossil fuel for generation 83 100
Materials and supplies 78 76
Other regulatory assets, current 113 115
Other current assets 3 8
Total current assets 922 1,167
Property, Plant, and Equipment:    
In service 4,963 4,865
Less: Accumulated depreciation 1,303 1,289
Plant in service, net of depreciation 3,660 3,576
Construction work in progress 2,570 2,545
Total property, plant, and equipment 6,230 6,121
Other Property and Investments:    
Total other property and investments 12 12
Deferred Charges and Other Assets:    
Deferred charges related to income taxes 382 361
Other regulatory assets, deferred 520 518
Other deferred charges and assets 22 56
Total deferred charges and other assets 924 935
Total Assets 8,088 8,235
Current Liabilities:    
Securities due within one year - parent 0 551
Securities due within one year 1,328 78
Notes payable 36 23
Accounts payable —    
Affiliated 44 62
Other 112 135
Customer deposits 16 16
Accrued taxes —    
Other accrued taxes 51 99
Unrecognized tax benefits 385 383
Accrued interest 50 46
Accrued compensation 20 42
Asset retirement obligations, current 27 32
Over recovered regulatory clause liabilities 39 51
Other current liabilities 22 20
Total current liabilities 2,130 1,538
Long-term Debt:    
Long-term debt to parent 551 0
Long-term debt, non-affiliated 1,172 2,424
Long-term Debt 1,723 2,424
Deferred Credits and Other Liabilities:    
Accumulated deferred income taxes 729 756
Employee benefit obligations 113 115
Asset retirement obligations, deferred 148 146
Other cost of removal obligations 172 170
Other regulatory liabilities, deferred 78 84
Other deferred credits and liabilities 36 26
Total deferred credits and other liabilities 1,276 1,297
Total Liabilities 5,129 5,259
Redeemable Preferred Stock 33 33
Common Stockholders' Equity:    
Par value 38 38
Paid-in capital 3,526 3,525
Retained earnings (accumulated deficit) (635) (616)
Accumulated other comprehensive loss (3) (4)
Total Common Stockholders' Equity 2,926 2,943
Total Liabilities and Stockholders' Equity 8,088 8,235
Southern Power [Member]    
Current Assets:    
Cash and cash equivalents 93 1,099
Receivables —    
Customer accounts receivable 111 102
Other accounts and notes receivable 32 34
Affiliated 62 57
Fossil fuel for generation 14 15
Materials and supplies 343 337
Prepaid income taxes 95 74
Other current assets 31 39
Total current assets 781 1,757
Property, Plant, and Equipment:    
In service 13,493 12,728
Less: Accumulated depreciation 1,598 1,484
Plant in service, net of depreciation 11,895 11,244
Construction work in progress 328 398
Total property, plant, and equipment 12,223 11,642
Other Property and Investments:    
Goodwill 2 2
Intangible assets, net (including goodwill) 430 436
Total other property and investments 430 436
Deferred Charges and Other Assets:    
Prepaid LTSAs 120 101
Accumulated deferred income taxes 570 594
Other deferred charges and assets — affiliated 26 13
Other deferred charges and assets 531 626
Total deferred charges and other assets 1,247 1,334
Total Assets 14,681 15,169
Current Liabilities:    
Securities due within one year 560 560
Notes payable 380 209
Accounts payable —    
Affiliated 76 88
Other 129 278
Accrued taxes —    
Accrued income taxes 48 148
Other accrued taxes 13 7
Accrued interest 47 36
Acquisitions payable 0 461
Contingent consideration 14 46
Other current liabilities 69 70
Total current liabilities 1,336 1,903
Long-term Debt:    
Long-term Debt 5,088 5,068
Deferred Credits and Other Liabilities:    
Accumulated deferred income taxes 157 152
Accumulated deferred investment tax credits 1,879 1,839
Asset retirement obligations, deferred 67 64
Other deferred credits and liabilities 288 304
Total deferred credits and other liabilities 2,391 2,359
Total Liabilities 8,815 9,330
Redeemable Noncontrolling Interests 164 164
Common Stockholders' Equity:    
Par value 0 0
Paid-in capital 3,671 3,671
Retained earnings (accumulated deficit) 714 724
Accumulated other comprehensive loss 24 35
Total Common Stockholders' Equity 4,409 4,430
Noncontrolling interests 1,293 1,245
Total Stockholders' Equity 5,702 5,675
Total Liabilities and Stockholders' Equity 14,681 15,169
Southern Company Gas [Member]    
Current Assets:    
Cash and cash equivalents 28 19
Receivables —    
Customer accounts receivable 453 364
Energy marketing receivable 493 623
Unbilled revenues 173 239
Other accounts and notes receivable 69 76
Accumulated provision for uncollectible accounts (37) (27)
Materials and supplies 25 26
Natural gas for sale 346 631
Prepaid expenses 54 55
Assets from risk management activities, net of collateral 138 128
Prepaid income taxes 0 24
Other regulatory assets, current 60 81
Other current assets 16 11
Total current assets 1,818 2,250
Property, Plant, and Equipment:    
In service 14,660 14,508
Less: Accumulated depreciation 4,498 4,439
Plant in service, net of depreciation 10,162 10,069
Construction work in progress 625 496
Total property, plant, and equipment 10,787 10,565
Other Property and Investments:    
Goodwill 5,967 5,967
Equity investments in unconsolidated subsidiaries 1,604 1,541
Other intangible assets, net of amortization 340 366
Miscellaneous property and investments 21 21
Total other property and investments 7,932 7,895
Deferred Charges and Other Assets:    
Other regulatory assets, deferred 958 973
Other deferred charges and assets 188 170
Total deferred charges and other assets 1,146 1,143
Total Assets 21,683 21,853
Current Liabilities:    
Securities due within one year 22 22
Notes payable 1,023 1,257
Energy marketing trade payables 471 597
Accounts payable —    
Accounts payable 241 348
Customer deposits 131 153
Accrued taxes —    
Accrued income taxes 50 26
Other accrued taxes 63 68
Accrued interest 59 48
Accrued compensation 43 58
Liabilities from risk management activities, net of collateral 18 62
Other regulatory liabilities, current 148 102
Accrued environmental remediation, current 66 69
Temporary LIFO liquidation 126 0
Other current liabilities 124 108
Total current liabilities 2,585 2,918
Long-term Debt:    
Long-term Debt 5,246 5,259
Deferred Credits and Other Liabilities:    
Accumulated deferred income taxes 2,059 1,975
Employee benefit obligations 434 441
Accrued environmental remediation 343 357
Other cost of removal obligations 1,630 1,616
Other regulatory liabilities, deferred 54 51
Other deferred credits and liabilities 88 127
Total deferred credits and other liabilities 4,608 4,567
Total Liabilities 12,439 12,744
Common Stockholders' Equity:    
Par value 0 0
Paid-in capital 9,104 9,095
Retained earnings (accumulated deficit) 116 (12)
Accumulated other comprehensive loss 24 26
Total Stockholders' Equity 9,244 9,109
Total Liabilities and Stockholders' Equity $ 21,683 $ 21,853