XML 121 R68.htm IDEA: XBRL DOCUMENT
v3.25.0.1

VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
--- | ---
Dec. 31, 2024
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED DECEMBER 31, 2024, 2023, AND 2022
|  |  | Additions |  |  |
Description | Balance at Beginning of Period |  | Charged to Income |  | Charged to Other Accounts |  | Deductions(*) |  | Balance at End of Period
| (in millions)
Provision for uncollectible accounts: |  |  |  |  |  |  |  |  |
Southern Company |  |  |  |  |  |  |  |  |
2024 | $ | 68 |  |  | $ | 119 |  |  | $ | (1) |  |  | $ | 112 |  |  | $ | 74 |
2023 | 71 |  |  | 87 |  |  | 3 |  |  | 93 |  |  | 68 |
2022 | 78 |  |  | 71 |  |  | (1) |  |  | 77 |  |  | 71 |
Alabama Power |  |  |  |  |  |  |  |  |
2024 | $ | 16 |  |  | $ | 26 |  |  | $ | — |  |  | $ | 20 |  |  | $ | 22 |
2023 | 14 |  |  | 16 |  |  | — |  |  | 14 |  |  | 16 |
2022 | 14 |  |  | 10 |  |  | — |  |  | 10 |  |  | 14 |
Georgia Power |  |  |  |  |  |  |  |  |
2024 | $ | 4 |  |  | $ | 51 |  |  | $ | — |  |  | $ | 40 |  |  | $ | 15 |
2023 | 3 |  |  | 26 |  |  | — |  |  | 25 |  |  | 4 |
2022 | 2 |  |  | 21 |  |  | — |  |  | 20 |  |  | 3 |
Mississippi Power |  |  |  |  |  |  |  |  |
2024 | $ | 1 |  |  | $ | 2 |  |  | $ | — |  |  | $ | 2 |  |  | $ | 1 |
2023 | 1 |  |  | 2 |  |  | — |  |  | 2 |  |  | 1 |
2022 | 1 |  |  | 1 |  |  | 1 |  |  | 2 |  |  | 1 |
Southern Power |  |  |  |  |  |  |  |  |
2024 | $ | 1 |  |  | $ | (1) |  |  | $ | — |  |  | $ | — |  |  | $ | — |
2023 | 1 |  |  | — |  |  | — |  |  | — |  |  | 1 |
2022 | 5 |  |  | (2) |  |  | — |  |  | 2 |  |  | 1 |
Southern Company Gas |  |  |  |  |  |  |  |  |
2024 | $ | 44 |  |  | $ | 39 |  |  | $ | (1) |  |  | $ | 49 |  |  | $ | 33 |
2023 | 50 |  |  | 43 |  |  | 3 |  |  | 52 |  |  | 44 |
2022 | 39 |  |  | 55 |  |  | — |  |  | 44 |  |  | 50 |
(*)Deductions represent write-offs of accounts considered to be uncollectible, less recoveries of amounts previously written off. SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (CONTINUED) FOR THE YEARS ENDED DECEMBER 31, 2024, 2023, AND 2022
|  |  | Additions |  |  |
Description | Balance at Beginning of Period |  | Charged to Income |  | Charged to Other Accounts |  | Deductions |  | Balance at End of Period
| (in millions)
Tax valuation allowance (net state): |  |  |  |  |  |  |  |  |
Southern Company(a)(b)(c) |  |  |  |  |  |  |  |  |
2024 | $ | 168 |  |  | $ | 97 |  |  | $ | 3 |  |  | $ | — |  |  | $ | 268 |
2023 | 207 |  |  | (14) |  |  | (25) |  |  | — |  |  | 168 |
2022 | 169 |  |  | 68 |  |  | (30) |  |  | — |  |  | 207 |
Georgia Power(b) |  |  |  |  |  |  |  |  |
2024 | $ | 60 |  |  | $ | 97 |  |  | $ | (33) |  |  | $ | — |  |  | $ | 124 |
2023 | 98 |  |  | (15) |  |  | (23) |  |  | — |  |  | 60 |
2022 | 58 |  |  | 70 |  |  | (30) |  |  | — |  |  | 98 |
Mississippi Power(c) |  |  |  |  |  |  |  |  |
2024 | $ | 32 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 32 |
2023 | 32 |  |  | — |  |  | — |  |  | — |  |  | 32 |
2022 | 32 |  |  | — |  |  | — |  |  | — |  |  | 32 |
Southern Power(c) |  |  |  |  |  |  |  |  |
2024 | $ | 21 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 21 |
2023 | 21 |  |  | — |  |  | — |  |  | — |  |  | 21 |
2022 | 21 |  |  | — |  |  | — |  |  | — |  |  | 21 |
Southern Company Gas(c) |  |  |  |  |  |  |  |  |
2024 | $ | 5 |  |  | $ | — |  |  | $ | (1) |  |  | $ | — |  |  | $ | 4 |
2023 | 7 |  |  | — |  |  | (2) |  |  | — |  |  | 5 |
2022 | 7 |  |  | — |  |  | — |  |  | — |  |  | 7 |
(a)In 2024, Southern Company established a valuation allowance for certain Georgia state tax credits expected to expire prior to being fully utilized. (b)In 2018, Georgia Power established a valuation allowance for certain Georgia state tax credits expected to expire prior to being fully utilized, which has been adjusted in subsequent years as a result of changes in projected state taxable income. (c)Associated with a state net operating loss carryforward expected to expire prior to being fully utilized. See Note 10 to the financial statements in Item 8 herein for additional information.

X
- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
Name: | srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | srt_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration