Condensed Consolidated Statements of Changes in Equity - Piedmont - USD ($) $ in Millions |
Total |
Total Equity |
Common Stock |
Retained Earnings |
Noncontrolling Interests |
Piedmont |
Piedmont
Total Equity
|
Piedmont
Common Stock
|
Piedmont
Retained Earnings
|
Piedmont
Accumulated Other Comprehensive Income (Loss) Pension and OPEB Adjustments
|
Piedmont
Noncontrolling Interests
|
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beginning Balance at Dec. 31, 2024 | $ 51,256 | $ 50,127 | $ 1 | $ 3,431 | $ 1,129 | $ 4,354 | $ 4,353 | $ 1,635 | $ 2,718 | $ 0 | $ 1 | |||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||||
| Net income (loss) | 1,404 | 291 | 291 | 291 | ||||||||||
| Other comprehensive loss | (34) | [1] | (34) | 0 | ||||||||||
| Dividends to parent | (814) | (814) | (814) | |||||||||||
| Ending Balance at Mar. 31, 2025 | 51,794 | 50,670 | 1 | 3,986 | 1,124 | 4,645 | 4,644 | 1,635 | 3,009 | 0 | 1 | |||
| Beginning Balance at Dec. 31, 2025 | 53,019 | 51,842 | 1 | 5,056 | 1,177 | 4,754 | 4,753 | 1,635 | 3,118 | 0 | 1 | |||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||||
| Net income (loss) | 1,577 | 770 | 770 | 770 | ||||||||||
| Other comprehensive loss | (27) | [1] | (27) | (1) | (18) | (18) | (18) | |||||||
| Dividends to parent | (832) | (832) | (832) | (1,400) | (1,400) | (1,400) | ||||||||
| Ending Balance at Mar. 31, 2026 | $ 56,478 | $ 54,457 | $ 1 | $ 5,761 | $ 2,021 | $ 4,106 | $ 4,105 | $ 1,635 | $ 2,488 | $ (18) | $ 1 | |||
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| X | ||||||||||
- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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