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v3.22.0.1

Investments in Unconsolidated Affiliates (Significant Subsidiaries) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Investments In Unconsolidated Affiliates [Line Items] |  |  |
Current assets | $ 9,940 | $ 8,682 |
Noncurrent assets | 48,239 | 46,924 |
Current liabilities | 15,931 | 16,305 |
Noncurrent liabilities | 42,072 | 41,274 |
Membership interests | 1,840 | 1,220 |
Operating loss | 5,373 | 4,553 | $ 5,709
Net income (loss) | 3,579 | 1,082 | 3,571
Net (loss) income attributable to Duke Energy | $ 3,908 | 1,377 | 3,748
Atlantic Coast Pipeline (ACP) | Equity Method Investment, Nonconsolidated Investee or Group of Investees |  |  |
Investments In Unconsolidated Affiliates [Line Items] |  |  |
Current assets |  | 43 |
Noncurrent assets |  | 93 |
Current liabilities |  | 1,965 |
Noncurrent liabilities |  | 167 |
Membership interests |  | (1,996) |
Operating loss |  | (4,612) | (5)
Net income (loss) |  | (4,512) | 246
Net (loss) income attributable to Duke Energy |  | $ (2,121) | $ 116

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