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Duke Energy Corporation
(NYSE:DUK) 

DUK stock logo

Duke Energy Corporation, together with its subsidiaries, operates as an energy company in the United States. It operates through three segments: Electric Utilities and Infrastructure, Gas Utilities and Infrastructure, and Commercial Renewables. The Electric Utilities and Infrastructure segment gener...

Founded: 1904
Full Time Employees: 29,000
Sector: Utilities
Industry: Utilities-Regulated Electric

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At a glance:
  • Regulated Utility Cash Flows Support Stability: Duke Energy’s earnings profile is largely driven by regulated electric and gas utilities, which generally provide more predictable revenue and cash flow compared with competitive power markets.
  • Capital Investment Plan Drives Rate Base Growth: The company continues to invest heavily in grid modernization, reliability, and cleaner generation, which can expand regulated rate base over time but also keeps capital spending elevated.
  • Financing Needs and Leverage Remain Key Watch Items: Large multi-year capex programs typically require ongoing debt and/or equity financing; credit metrics, interest expense, and access to capital markets can materially influence shareholder returns.
  • Earnings and Returns Depend on Regulatory Outcomes: Allowed ROEs, rate case timing, and cost-recovery mechanisms across Duke’s jurisdictions are central to near- and medium-term profitability and can create upside or downside versus expectations.
  • Decarbonization and Storm/Weather Risks Shape Execution: Coal retirements, renewable integration, and permitting/interconnection timelines add execution complexity, while hurricanes and other severe weather events can create restoration costs and operational disruption (often partially offset by regulatory recovery).
Bull Thesis:
  • Stable Regulated Business Model: Duke Energy operates primarily as a regulated utility, providing essential services (electricity and natural gas) across several states. This model generates highly predictable and stable cash flows, making it an attractive investment during periods of economic uncertainty and a reliable source of income for investors.
  • Aggressive Clean Energy Transition & Investment: Duke Energy is making substantial investments in renewable energy generation (solar, wind), battery storage, and grid modernization. This aligns with global ESG trends, positions the company for long-term growth by expanding its rate base, and could benefit from federal incentives like the Inflation Reduction Act, securing future earnings potential.
  • Favorable Service Territories with Population Growth: The company serves growing regions in Florida, North Carolina, South Carolina, and Indiana. These states are experiencing consistent population and economic growth, which translates into a steadily increasing customer base and demand for energy, supporting ongoing capital investment and rate base expansion.
  • Attractive and Sustainable Dividend Yield: As a mature utility, Duke Energy offers a consistent and relatively high dividend yield, making it a compelling choice for income-focused investors. The stable cash flows from its regulated operations generally support the sustainability of its dividend payments, providing a reliable return.
Bear Thesis:
  • High Debt Load and Interest Rate Sensitivity: Utilities are capital-intensive businesses that rely heavily on debt financing for infrastructure projects. Duke Energy carries a significant debt load, and rising interest rates increase its borrowing costs, potentially squeezing margins, reducing free cash flow, and making future capital expenditures more expensive.
  • Regulatory Scrutiny and Rate Case Outcomes: While generally constructive, Duke Energy's profitability is subject to regulatory approvals for rate increases and capital expenditure recovery. Unfavorable outcomes in rate cases, disallowances of certain investments, or delays in cost recovery by state utility commissions could negatively impact earnings and cash flow.
  • Execution Risk of Massive Energy Transition: The company's ambitious clean energy transition involves multi-billion dollar capital expenditures over several decades. This presents significant execution risks, including potential cost overruns, project delays, technological challenges, and supply chain disruptions, which could impact financial targets and shareholder returns.
  • Inflationary Pressures on Operating Costs: Rising costs for labor, materials, equipment, and fuel due to inflation can put significant pressure on Duke Energy's operating and maintenance (O&M) expenses. While some costs can eventually be recovered through rate cases, there can be a lag, leading to temporary margin compression and impacting profitability.
Main Competitors:
  • Southern Company ($SO) (Electric and Gas Utilities, Renewables), A major electric and gas utility holding company primarily serving the Southeastern US (Georgia, Alabama, Mississippi). Southern Company competes with Duke Energy for investor capital, talent, and resources in the regulated utility sector, facing similar regulatory environments, challenges in grid modernization, and the transition to cleaner energy sources. Both are large, diversified utilities with significant generation assets, including nuclear and a growing renewable portfolio.
  • NextEra Energy ($NEE) (Electric Utility (Florida Power & Light), Renewable Energy Development), NextEra Energy operates Florida Power & Light, a large regulated utility, and NextEra Energy Resources, one of the world's largest developers of renewable energy. Duke Energy's commercial renewables segment directly competes with NextEra Energy Resources for project development, power purchase agreements, land, and financing for large-scale solar, wind, and battery storage projects across the US. Both companies also compete for investor capital as leading utilities with strong growth profiles in the energy transition.
  • Dominion Energy ($D) (Electric and Gas Utilities, Renewables), Dominion Energy is a large energy company serving customers primarily in the Mid-Atlantic (Virginia, North Carolina, South Carolina, Ohio, West Virginia). It operates in overlapping or adjacent service territories to Duke Energy and faces similar regulatory and market dynamics. They compete for investor capital, skilled labor, and resources for grid modernization, natural gas infrastructure, and the development of significant renewable energy projects, including offshore wind.
  • American Electric Power (AEP) ($AEP) (Electric Utilities, Transmission), AEP is one of the largest electric utilities in the US, serving customers in 11 states across the Midwest and South. Similar to Duke Energy, AEP is a large, regulated electric utility with extensive generation, transmission, and distribution assets. They compete for investor capital, talent, and resources in the broader US utility market, facing common challenges in grid modernization, integrating renewable energy, and maintaining reliable service across diverse geographies.
Moat:
Duke Energy, like most regulated utilities, benefits from a significant economic moat primarily derived from its regulated monopoly status within its service territories. State and federal regulations grant it exclusive rights to generate, transmit, and distribute electricity and natural gas, providing stable, predictable cash flows and high barriers to entry for direct competition for end-users. However, competition exists in several key areas: for investor capital (competing with other utilities for investment dollars), for talent and resources, for favorable regulatory and policy outcomes, and significantly in the unregulated commercial renewables market where it directly competes with independent power producers and other utilities for project development and market share. The rise of distributed generation (e.g., rooftop solar) and energy efficiency also presents an indirect form of competition by potentially reducing demand for grid-supplied power.
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-09-30 2020-06-30 2020-03-31 2019-06-30 2019-03-31 2018-09-30 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-03-31 2010-09-30 2010-06-30 
                                                    
      operating revenues
                                                    
      regulated electric
    7,803,000,000 6,922,000,000 8,106,000,000 6,968,000,000 7,064,000,000 6,534,000,000 7,775,000,000 6,746,000,000 6,732,000,000 6,477,000,000 7,640,000,000 6,176,000,000 6,324,000,000 7,374,000,000 6,074,000,000 5,933,000,000 6,495,000,000 5,258,000,000 5,219,000,000 6,315,000,000 4,963,000,000 5,124,000,000 5,423,000,000 5,285,000,000 6,216,000,000 5,178,000,000 5,284,000,000 6,091,000,000 5,118,000,000 4,913,000,000 6,303,000,000 4,965,000,000 5,053,000,000 6,017,000,000 5,090,000,000 5,457,000,000 5,861,000,000 5,167,000,000 5,578,000,000 5,718,000,000 4,889,000,000 5,763,000,000 2,628,000,000 2,501,000,000 3,016,000,000 2,573,000,000 3,077,000,000 2,531,000,000 
      regulated natural gas
    1,297,000,000 942,000,000 361,000,000 462,000,000 1,105,000,000 741,000,000 298,000,000 347,000,000 866,000,000 655,000,000 284,000,000 331,000,000 882,000,000 397,000,000 425,000,000 1,002,000,000 263,000,000 302,000,000 749,000,000 214,000,000 263,000,000 638,000,000 280,000,000 728,000,000 230,000,000 291,000,000 700,000,000 247,000,000 275,000,000 646,000,000 89,000,000 97,000,000 169,000,000 89,000,000 96,000,000 231,000,000 85,000,000 107,000,000 222,000,000 83,000,000 185,000,000 77,000,000 81,000,000 171,000,000 81,000,000 235,000,000 78,000,000 86,000,000 
      nonregulated electric and other
    78,000,000 74,000,000 75,000,000 78,000,000 80,000,000 85,000,000 81,000,000 79,000,000 73,000,000 80,000,000 70,000,000 71,000,000 70,000,000 197,000,000 186,000,000 197,000,000 193,000,000 198,000,000 182,000,000 192,000,000 195,000,000 187,000,000 170,000,000 150,000,000 182,000,000 174,000,000 151,000,000 144,000,000 162,000,000 170,000,000 429,000,000 422,000,000 400,000,000 377,000,000 403,000,000 377,000,000             
      total operating revenues
    9,178,000,000 7,938,000,000 8,542,000,000 7,508,000,000 8,249,000,000 7,360,000,000 8,154,000,000 7,172,000,000 7,671,000,000 7,212,000,000 7,994,000,000 6,578,000,000 7,276,000,000 7,968,000,000 6,685,000,000 7,132,000,000 6,951,000,000 5,758,000,000 6,150,000,000 6,721,000,000 5,421,000,000 5,949,000,000 5,873,000,000 6,163,000,000 6,628,000,000 5,643,000,000 6,135,000,000 6,482,000,000 5,555,000,000 5,729,000,000 6,821,000,000 5,484,000,000 5,622,000,000 6,483,000,000 5,589,000,000 6,065,000,000 6,395,000,000 5,949,000,000 6,624,000,000 6,709,000,000 5,898,000,000 6,722,000,000 3,577,000,000 3,630,000,000 3,964,000,000 3,663,000,000 3,946,000,000 3,287,000,000 
      yoy
    11.26% 7.85% 4.76% 4.68% 7.53% 2.05% 2.00% 9.03% 5.43% -9.49% 19.58% -7.77% 4.68% 38.38% 8.70% 6.12% 28.22% -3.21% 4.72% 9.05% -18.21% 5.42% -4.27% -4.92% 19.32% -1.50% -10.06% 18.20% -1.19% -11.63% 22.04% -9.58% -12.09% 8.98% -15.63% -9.60% 8.43% -11.50% 85.18% 84.82% 48.79% 83.51% -9.35% 10.44%     
      qoq
    15.62% -7.07% 13.77% -8.98% 12.08% -9.74% 13.69% -6.51% 6.36% -9.78% 21.53% -9.59% -8.68% 19.19% -6.27% 2.60% 20.72% -6.37% -8.50% 23.98% -8.88% 1.29% -4.71% -7.02% 17.46% -8.02% -5.35% 16.69% -3.04% -16.01% 24.38% -2.45% -13.28% 16.00% -7.85% -5.16% 7.50% -10.19% -1.27% 13.75% -12.26% 87.92% -1.46% -8.43% 8.22% -7.17% 20.05%  
      operating expenses
                                                    
      fuel used in electric generation and purchased power
    2,419,000,000 1,792,000,000 2,289,000,000 1,878,000,000 2,099,000,000 1,999,000,000 2,644,000,000 2,228,000,000 2,335,000,000 2,099,000,000 2,571,000,000 2,039,000,000 2,377,000,000 2,629,000,000 1,972,000,000 1,817,000,000 1,844,000,000 1,415,000,000 1,443,000,000 1,849,000,000 1,349,000,000 1,447,000,000 1,641,000,000 1,609,000,000 1,931,000,000 1,574,000,000 1,676,000,000 1,863,000,000 1,541,000,000 1,449,000,000                   
      cost of natural gas
    525,000,000 341,000,000 110,000,000 158,000,000 374,000,000 185,000,000 70,000,000 78,000,000 232,000,000 159,000,000 57,000,000 79,000,000 298,000,000 189,000,000 189,000,000 481,000,000 75,000,000 79,000,000 276,000,000 41,000,000 59,000,000 199,000,000 76,000,000 327,000,000 58,000,000 89,000,000 313,000,000 68,000,000 76,000,000 258,000,000 17,000,000 21,000,000 60,000,000                
      operation, maintenance and other
    1,752,000,000 1,782,000,000 1,762,000,000 1,655,000,000 1,499,000,000 1,281,000,000 1,409,000,000 1,320,000,000 1,379,000,000 1,512,000,000 1,428,000,000 1,375,000,000 1,310,000,000 1,394,000,000 1,447,000,000 1,630,000,000 1,507,000,000 1,410,000,000 1,402,000,000 1,450,000,000 1,353,000,000 1,339,000,000 1,434,000,000 1,419,000,000 1,584,000,000 1,544,000,000 1,464,000,000 1,442,000,000 1,407,000,000 1,433,000,000 1,547,000,000 1,431,000,000 1,489,000,000 1,426,000,000 1,422,000,000 1,426,000,000 1,409,000,000 1,467,000,000 1,506,000,000 1,458,000,000 1,421,000,000 1,654,000,000 862,000,000 746,000,000 866,000,000 880,000,000 881,000,000 944,000,000 
      depreciation and amortization
    1,689,000,000 1,603,000,000 1,626,000,000 1,583,000,000 1,512,000,000 1,481,000,000 1,516,000,000 1,409,000,000 1,387,000,000 1,340,000,000 1,353,000,000 1,333,000,000 1,227,000,000 1,364,000,000 1,302,000,000 1,320,000,000 1,265,000,000 1,207,000,000 1,226,000,000 1,217,000,000 1,150,000,000 1,130,000,000 1,089,000,000 1,089,000,000 1,039,000,000 973,000,000 967,000,000 900,000,000 835,000,000 859,000,000 837,000,000 813,000,000 814,000,000 774,000,000 790,000,000 777,000,000 788,000,000 761,000,000 790,000,000 707,000,000 660,000,000 666,000,000 475,000,000 479,000,000 455,000,000 454,000,000 447,000,000 426,000,000 
      property and other taxes
    452,000,000 316,000,000 438,000,000 415,000,000 428,000,000 304,000,000 383,000,000 393,000,000 386,000,000 264,000,000 394,000,000 353,000,000 389,000,000 378,000,000 379,000,000 392,000,000 371,000,000 349,000,000 353,000,000 324,000,000 334,000,000 345,000,000 334,000,000 343,000,000 323,000,000 315,000,000 316,000,000 313,000,000 307,000,000 304,000,000 303,000,000 293,000,000 297,000,000 293,000,000 279,000,000 264,000,000 275,000,000 318,000,000 358,000,000 325,000,000 343,000,000 326,000,000 171,000,000 184,000,000 183,000,000 186,000,000 182,000,000 163,000,000 
      total operating expenses
    6,837,000,000 5,827,000,000 6,225,000,000 5,692,000,000 5,912,000,000 5,249,000,000 6,017,000,000 5,471,000,000 5,720,000,000 5,363,000,000 5,891,000,000 5,179,000,000 5,609,000,000 5,950,000,000 5,280,000,000 5,855,000,000 5,273,000,000 4,591,000,000 4,700,000,000 4,909,000,000 4,251,000,000 4,462,000,000 4,578,000,000 4,787,000,000 5,059,000,000 4,667,000,000 4,779,000,000 4,793,000,000 4,175,000,000 4,303,000,000 4,805,000,000 4,344,000,000 4,298,000,000 4,799,000,000 4,356,000,000 4,623,000,000 4,780,000,000 4,839,000,000 6,567,000,000 4,966,000,000    3,138,000,000 3,192,000,000 2,859,000,000 2,915,000,000 3,306,000,000 
      gains on sales of other assets and other
    384,000,000 8,000,000 17,000,000 14,000,000 6,000,000 1,000,000 7,000,000 6,000,000 12,000,000 6,000,000 8,000,000 31,000,000 7,000,000 6,000,000 8,000,000 2,000,000 9,000,000 2,000,000  2,000,000 7,000,000 1,000,000 3,000,000  10,000,000 3,000,000  6,000,000 7,000,000 11,000,000 6,000,000 5,000,000 9,000,000 4,000,000 13,000,000 14,000,000 4,000,000 6,000,000 1,000,000  2,000,000 14,000,000 4,000,000 3,000,000 -5,000,000 10,000,000 2,000,000 5,000,000 
      operating income
    2,725,000,000 2,119,000,000 2,334,000,000 1,830,000,000 2,343,000,000 2,112,000,000 2,144,000,000 1,707,000,000 1,963,000,000 1,855,000,000 2,111,000,000 1,430,000,000 1,674,000,000 2,024,000,000 1,413,000,000 1,279,000,000 1,687,000,000 1,169,000,000 1,450,000,000 1,814,000,000 1,177,000,000 1,488,000,000 1,298,000,000 1,373,000,000 1,579,000,000 979,000,000 1,256,000,000 1,695,000,000 1,387,000,000 1,437,000,000 2,022,000,000 1,145,000,000 1,333,000,000 1,688,000,000 1,246,000,000 1,456,000,000 1,619,000,000 1,116,000,000 58,000,000 1,743,000,000 1,215,000,000 1,078,000,000 786,000,000 495,000,000 767,000,000 814,000,000 1,033,000,000 -14,000,000 
      yoy
    16.30% 0.33% 8.86% 7.21% 19.36% 13.85% 1.56% 19.37% 17.26% -8.35% 49.40% 11.81% -0.77% 73.14% -2.55% -29.49% 43.33% -21.44% 11.71% 32.12% -25.46% 51.99% 3.34% -19.00% 13.84% -31.87% -37.88% 48.03% 4.05% -14.87% 62.28% -21.36% -17.67% 51.25% 2048.28% -16.47% 33.25% 3.53% -92.62% 252.12% 58.41% 32.43% -23.91% -3635.71%     
      qoq
    28.60% -9.21% 27.54% -21.90% 10.94% -1.49% 25.60% -13.04% 5.82% -12.13% 47.62% -14.58% -17.29% 43.24% 10.48% -24.18% 44.31% -19.38% -20.07% 54.12% -20.90% 14.64% -5.46% -13.05% 61.29% -22.05% -25.90% 22.21% -3.48% -28.93% 76.59% -14.10% -21.03% 35.47% -14.42% -10.07% 45.07% 1824.14% -96.67% 43.46% 12.71% 37.15% 58.79% -35.46% -5.77% -21.20% -7478.57%  
      operating margin %
    29.69% 26.69% 27.32% 24.37% 28.40% 28.70% 26.29% 23.80% 25.59% 25.72% 26.41% 21.74% 23.01% 25.40% 21.14% 17.93% 24.27% 20.30% 23.58% 26.99% 21.71% 25.01% 22.10% 22.28% 23.82% 17.35% 20.47% 26.15% 24.97% 25.08% 29.64% 20.88% 23.71% 26.04% 22.29% 24.01% 25.32% 18.76% 0.88% 25.98% 20.60% 16.04% 21.97% 13.64% 19.35% 22.22% 26.18% -0.43% 
      other income and expenses
    133,000,000 172,000,000 182,000,000 183,000,000 132,000,000 159,000,000 166,000,000 167,000,000 169,000,000 167,000,000 133,000,000 147,000,000 151,000,000 89,000,000 115,000,000 89,000,000 238,000,000 128,000,000 127,000,000 127,000,000 137,000,000 46,000,000 89,000,000 115,000,000 131,000,000 110,000,000 86,000,000 88,000,000 81,000,000 86,000,000 99,000,000 92,000,000 79,000,000 57,000,000 72,000,000 74,000,000 109,000,000 89,000,000 95,000,000 54,000,000 80,000,000 132,000,000 70,000,000 89,000,000 83,000,000 117,000,000 116,000,000 88,000,000 
      equity in earnings of unconsolidated affiliates
    7,000,000 13,000,000 16,000,000 11,000,000 11,000,000 -62,000,000 15,000,000 21,000,000 17,000,000 28,000,000 45,000,000 20,000,000 20,000,000 26,000,000        44,000,000 44,000,000  37,000,000 36,000,000   36,000,000 29,000,000  15,000,000 8,000,000 17,000,000 23,000,000 13,000,000 28,000,000 33,000,000 36,000,000 33,000,000 36,000,000 33,000,000 40,000,000 45,000,000 43,000,000 32,000,000 21,000,000 36,000,000 
      total other income and expenses
    140,000,000 185,000,000 198,000,000 194,000,000 143,000,000 97,000,000 181,000,000 188,000,000 186,000,000 195,000,000 178,000,000 167,000,000 171,000,000 115,000,000 151,000,000 114,000,000 260,000,000 137,000,000 110,000,000 47,000,000  90,000,000 133,000,000 158,000,000 168,000,000 146,000,000 62,000,000 124,000,000 117,000,000 115,000,000 39,000,000 107,000,000 87,000,000 74,000,000 95,000,000 87,000,000 137,000,000 122,000,000 131,000,000 87,000,000    129,000,000 123,000,000 151,000,000 136,000,000 124,000,000 
      interest expense
    968,000,000 946,000,000 902,000,000 897,000,000 889,000,000 871,000,000 872,000,000 824,000,000 817,000,000 793,000,000 774,000,000 727,000,000 720,000,000 621,000,000 607,000,000 587,000,000 581,000,000 572,000,000 535,000,000 522,000,000 554,000,000 551,000,000 542,000,000 543,000,000 517,000,000 518,000,000 515,000,000 498,000,000 486,000,000 491,000,000 482,000,000 500,000,000 511,000,000 402,000,000 403,000,000 403,000,000 405,000,000 413,000,000 406,000,000 379,000,000 367,000,000 401,000,000 232,000,000 224,000,000 213,000,000 219,000,000 202,000,000 212,000,000 
      income from continuing operations before income taxes
    1,897,000,000 1,358,000,000 1,630,000,000 1,127,000,000 1,597,000,000 1,338,000,000 1,453,000,000 1,071,000,000 1,332,000,000 1,257,000,000 1,515,000,000 870,000,000 1,125,000,000 1,518,000,000         889,000,000  1,230,000,000 607,000,000  1,321,000,000 1,018,000,000 1,061,000,000 1,579,000,000 752,000,000 909,000,000 1,360,000,000 938,000,000 1,140,000,000 1,351,000,000 825,000,000 -217,000,000 1,451,000,000 964,000,000 842,000,000 663,000,000 400,000,000 677,000,000  967,000,000 -102,000,000 
      income tax expense from continuing operations
    333,000,000 154,000,000 176,000,000 119,000,000 193,000,000 109,000,000 163,000,000 140,000,000 178,000,000 122,000,000 42,000,000 119,000,000 155,000,000 128,000,000         141,000,000  168,000,000 100,000,000  364,000,000 327,000,000 344,000,000 520,000,000 239,000,000 213,000,000 420,000,000 334,000,000 364,000,000 460,000,000 209,000,000  457,000,000 330,000,000 248,000,000 214,000,000 103,000,000 208,000,000  301,000,000 116,000,000 
      income from continuing operations
    1,564,000,000 1,204,000,000 1,454,000,000 1,008,000,000 1,404,000,000 1,229,000,000 1,290,000,000 931,000,000 1,154,000,000 1,135,000,000 1,473,000,000 751,000,000 970,000,000 1,390,000,000         748,000,000  1,062,000,000 507,000,000  957,000,000 691,000,000 717,000,000 1,059,000,000 513,000,000 696,000,000 940,000,000 604,000,000 776,000,000 891,000,000 616,000,000 -90,000,000 994,000,000 634,000,000 594,000,000 449,000,000 297,000,000 469,000,000  666,000,000 -218,000,000 
      income from discontinued operations, net of tax
    13,000,000 2,000,000    -2,000,000 25,000,000 -10,000,000 -3,000,000 -139,000,000 -152,000,000 -955,000,000 -209,000,000 23,000,000           4,000,000      122,000,000  3,000,000   91,000,000 378,000,000   14,000,000  4,000,000  2,000,000 1,000,000   1,000,000 
      net income
    1,577,000,000 1,206,000,000 1,454,000,000 1,007,000,000 1,404,000,000 1,227,000,000 1,315,000,000 921,000,000 1,151,000,000 996,000,000 1,321,000,000 -204,000,000 761,000,000 1,413,000,000 880,000,000 820,000,000 1,276,000,000 698,000,000 941,000,000 1,234,000,000  890,000,000 748,000,000 893,000,000 1,066,000,000 502,000,000 622,000,000 955,000,000 689,000,000 717,000,000 1,181,000,000 512,000,000 699,000,000 935,000,000 547,000,000 867,000,000 1,269,000,000 613,000,000 -93,000,000 1,008,000,000 634,000,000 598,000,000 448,000,000 299,000,000 470,000,000 513,000,000 666,000,000 -217,000,000 
      yoy
    12.32% -1.71% 10.57% 9.34% 21.98% 23.19% -0.45% -551.47% 51.25% -29.51% 50.11% -124.88% -40.36% 102.44% -6.48% -33.55%  -21.57% 25.80% 38.19%  77.29% 20.26% -6.49% 54.72% -29.99% -47.33% 86.52% -1.43% -23.32% 115.90% -40.95% -44.92% 52.53% -688.17% -13.99% 100.16% 2.51% -120.76% 237.12% 34.89% 16.57% -32.73% -237.79%     
      qoq
    30.76% -17.06% 44.39% -28.28% 14.43% -6.69% 42.78% -19.98% 15.56% -24.60% -747.55% -126.81% -46.14% 60.57% 7.32% -35.74% 82.81% -25.82% -23.74%   18.98% -16.24% -16.23% 112.35% -19.29% -34.87% 38.61% -3.91% -39.29% 130.66% -26.75% -25.24% 70.93% -36.91% -31.68% 107.01% -759.14% -109.23% 58.99% 6.02% 33.48% 49.83% -36.38% -8.38% -22.97% -406.91%  
      net income margin %
    17.18% 15.19% 17.02% 13.41% 17.02% 16.67% 16.13% 12.84% 15.00% 13.81% 16.52% -3.10% 10.46% 17.73% 13.16% 11.50% 18.36% 12.12% 15.30% 18.36% 0% 14.96% 12.74% 14.49% 16.08% 8.90% 10.14% 14.73% 12.40% 12.52% 17.31% 9.34% 12.43% 14.42% 9.79% 14.30% 19.84% 10.30% -1.40% 15.02% 10.75% 8.90% 12.52% 8.24% 11.86% 14.00% 16.88% -6.60% 
      less: net income attributable to noncontrolling interests
    27,000,000 22,000,000 33,000,000 23,000,000 25,000,000 22,000,000 34,000,000 21,000,000                  2,000,000 2,000,000 1,000,000 3,000,000 1,000,000 5,000,000 3,000,000 5,000,000 3,000,000 4,000,000 3,000,000  4,000,000 4,000,000 4,000,000  4,000,000 4,000,000 4,000,000 -2,000,000 2,000,000 -4,000,000 5,000,000 
      net income attributable to duke energy corporation
    1,550,000,000 1,184,000,000 1,421,000,000 984,000,000 1,379,000,000 1,205,000,000 1,281,000,000 900,000,000 1,138,000,000 1,005,000,000 1,252,000,000 -220,000,000 804,000,000 1,422,000,000 907,000,000 857,000,000 1,405,000,000 765,000,000 992,000,000 1,304,000,000  938,000,000 820,000,000 900,000,000 1,082,000,000 500,000,000 620,000,000 954,000,000 686,000,000 716,000,000 1,176,000,000 509,000,000 694,000,000 932,000,000 543,000,000 864,000,000 1,274,000,000 609,000,000 -97,000,000 1,004,000,000 634,000,000 594,000,000 444,000,000 295,000,000 472,000,000 511,000,000 670,000,000 -222,000,000 
      less: preferred dividends
    14,000,000 15,000,000 14,000,000 13,000,000 14,000,000 14,000,000 39,000,000 14,000,000 39,000,000 14,000,000 39,000,000 14,000,000 39,000,000 39,000,000 14,000,000 39,000,000 39,000,000 14,000,000 39,000,000 39,000,000 15,000,000 39,000,000 12,000,000                          
      net income available to duke energy corporation common stockholders
    1,536,000,000 1,169,000,000 1,407,000,000 971,000,000 1,365,000,000 1,191,000,000 1,226,000,000 886,000,000 1,099,000,000 991,000,000 1,213,000,000 -234,000,000 765,000,000 1,383,000,000 893,000,000 818,000,000 1,366,000,000 751,000,000 953,000,000 1,265,000,000 -817,000,000 899,000,000                           
      earnings per share – basic and diluted
                                                    
      income from continuing operations available to duke energy corporation common stockholders
                                                    
      basic and diluted
    1.95 1.5 1.81 1.25  1.54 1.57 1.14 1.44 1.41 1.83 0.91 1.2 1.78         1.12                          
      income from discontinued operations attributable to duke energy corporation common stockholders
                                                    
      basic and diluted
    0.02      0.03 -0.01  -0.14 -0.24 -1.23 -0.19 0.03                                   
      basic and diluted
    1.97 1.5 1.81 1.25 1.76 1.54 1.6 1.13 1.44 1.27 1.59 -0.32 1.01 1.81 1.14 1.08 1.79 0.96 1.25  -1.13 1.24                           
      weighted-average shares outstanding
                                                    
      basic
    778  778    772           769 769  735 734 728  713 703 701 700 700 700 689 689 689 688 692 708 707 707 706 706    1,337 1,332 1,330 1,320 1,314 
      diluted
    779  778    773           769 769  735 736 728  714 704 701 700 700 700 691 690 689 688 692 708 707 707 706 706    1,337 1,333 1,331 1,322 1,314 
      impairment of assets and other charges
     -7,000,000  3,000,000  -1,000,000 -5,000,000 43,000,000 1,000,000 -11,000,000 88,000,000  8,000,000 -4,000,000 -9,000,000 215,000,000 211,000,000 131,000,000                               
      less: preferred redemption costs
          16,000,000                                          
      loss from discontinued operations, net of tax
       -1,000,000                                             
      loss from discontinued operations attributable to duke energy corporation common stockholders
                                                    
      basic and diluted
                                                    
      basic and diluted
    1.97 1.5 1.81 1.25 1.76 1.54 1.6 1.13 1.44 1.27 1.59 -0.32 1.01 1.81 1.14 1.08 1.79 0.96 1.25  -1.13 1.24                           
      weighted-average shares outstanding
                                                    
      basic and diluted
     777  777 777 772  772 771 771 771 771 770 770 770 770 769   735    727                         
      earnings per share – basic and diluted
                                                    
      basic and diluted
    1.97 1.5 1.81 1.25 1.76 1.54 1.6 1.13 1.44 1.27 1.59 -0.32 1.01 1.81 1.14 1.08 1.79 0.96 1.25  -1.13 1.24                           
      add: net (income) loss attributable to noncontrolling interests
            -13,000,000 9,000,000 -69,000,000 -16,000,000                                     
      add: net income attributable to noncontrolling interests
                43,000,000 9,000,000 27,000,000 37,000,000 129,000,000 67,000,000 51,000,000 70,000,000 90,000,000                            
      equity in earnings (losses) of unconsolidated affiliates
                  36,000,000 25,000,000 22,000,000 9,000,000      43,000,000    36,000,000                     
      income before income taxes
                  957,000,000 806,000,000 1,366,000,000 734,000,000 1,025,000,000 1,339,000,000  1,027,000,000  988,000,000   803,000,000                   746,000,000   
      income tax expense
                  77,000,000    84,000,000   137,000,000  95,000,000   181,000,000                   233,000,000   
      income tax (benefit) expense
                   -14,000,000                                 
      income tax benefit
                    90,000,000 36,000,000  105,000,000                             
      equity in (losses) earnings of unconsolidated affiliates
                      -17,000,000                              
      impairment charges
                       28,000,000 6,000,000 2,000,000 4,000,000  124,000,000 172,000,000 43,000,000 207,000,000 9,000,000  10,000,000 195,000,000 3,000,000 111,000,000   1,000,000 6,000,000 1,382,000,000 2,000,000  266,000,000  402,000,000     
      earnings per share – basic and diluted
                                                    
      basic and diluted
                       1.74                             
      income from continuing operations attributable to duke energy corporation common stockholders
                                                    
      basic and diluted
    1.95 1.5 1.81 1.25  1.54 1.57 1.14 1.44 1.41 1.83 0.91 1.2 1.78         1.12                          
      income from discontinued operations attributable to duke energy corporation common stockholders
                                                    
      basic and diluted
    0.02      0.03 -0.01  -0.14 -0.24 -1.23 -0.19 0.03                                   
      net income attributable to duke energy corporation common stockholders
                                                    
      basic and diluted
                          1.12 1.24                         
      losses on sales of other assets and other
                                                    
      income from continuing operations attributable to duke energy corporation common stockholders
                                                    
      basic
                            1.51 0.72  1.36 0.98 1.02 1.52 0.74 1.36 0.87 1.09 1.25 0.86 -0.13 1.4    0.22 0.35  0.51 -0.17 
      diluted
                            1.51 0.72  1.36 0.98 1.02 1.52 0.74 1.36 0.87 1.09 1.25 0.86 -0.13 1.4    0.22 0.35  0.51 -0.17 
      income from discontinued operations attributable to duke energy corporation common stockholders
                                                    
      basic
                             -0.01     0.18  0.01 -0.01 -0.09 0.13 0.55  -0.01 0.02         
      diluted
                             -0.01     0.18  0.01 -0.01 -0.09 0.13 0.55  -0.01 0.02         
      net income attributable to duke energy corporation common stockholders
                                                    
      basic
                            1.51 0.71 0.88 1.36 0.98 1.02 1.7 0.74 1.01 1.35 0.78 1.22 1.8 0.86 -0.14 1.42    0.22 0.35 0.38 0.51 -0.17 
      diluted
                            1.51 0.71 0.88 1.36 0.98 1.02 1.7 0.74 1.01 1.35 0.78 1.22 1.8 0.86 -0.14 1.42    0.22 0.35 0.38 0.51 -0.17 
      fuel used in electric generation and purchased power – regulated
                                  2,016,000,000 1,509,000,000 1,577,000,000 2,113,000,000 1,721,000,000 1,941,000,000             
      fuel used in electric generation and purchased power – nonregulated
                                  75,000,000 82,000,000 58,000,000 61,000,000 118,000,000 104,000,000             
      cost of natural gas and other
                                     21,000,000 26,000,000 111,000,000 27,000,000 43,000,000 122,000,000          
      income from continuing operations attributable to duke energy corporation common shareholders
                                                    
      basic
                            1.51 0.72  1.36 0.98 1.02 1.52 0.74 1.36 0.87 1.09 1.25 0.86 -0.13 1.4    0.22 0.35  0.51 -0.17 
      diluted
                            1.51 0.72  1.36 0.98 1.02 1.52 0.74 1.36 0.87 1.09 1.25 0.86 -0.13 1.4    0.22 0.35  0.51 -0.17 
      income from discontinued operations attributable to duke energy corporation common shareholders
                                                    
      basic
                             -0.01     0.18  0.01 -0.01 -0.09 0.13 0.55  -0.01 0.02         
      diluted
                             -0.01     0.18  0.01 -0.01 -0.09 0.13 0.55  -0.01 0.02         
      net income attributable to duke energy corporation common shareholders
                                                    
      basic
                            1.51 0.71 0.88 1.36 0.98 1.02 1.7 0.74 1.01 1.35 0.78 1.22 1.8 0.86 -0.14 1.42    0.22 0.35 0.38 0.51 -0.17 
      diluted
                            1.51 0.71 0.88 1.36 0.98 1.02 1.7 0.74 1.01 1.35 0.78 1.22 1.8 0.86 -0.14 1.42    0.22 0.35 0.38 0.51 -0.17 
      nonregulated electric, natural gas and other
                                        449,000,000 675,000,000           
      fuel used in electric generation and purchased power - regulated
                                        2,132,000,000 1,808,000,000 2,000,000,000 2,013,000,000 1,703,000,000 2,222,000,000 849,000,000      
      fuel used in electric generation and purchased power - nonregulated
                                        148,000,000 436,000,000 409,000,000 428,000,000 454,000,000        
      earnings per share - basic and diluted
                                                    
      nonregulated electric, natural gas, and other
                                          824,000,000 908,000,000 824,000,000        
      income tax (benefit) expense from continuing operations
                                          -127,000,000          
      cost of natural gas and coal sold
                                           33,000,000 104,000,000 40,000,000 42,000,000 102,000,000 48,000,000 151,000,000 36,000,000 46,000,000 
      dividends declared per share
                                               0.25     
      impairments on sales of unconsolidated affiliates
                                                    
      income from continuing operations attributable to duke energy corporation common shareholders
                                                    
      income from discontinued operations attributable to duke energy corporation common shareholders
                                                    
      net income attributable to duke energy corporation common shareholders
                                                    
      weighted-average shares outstanding
                                                    
      non-regulated electric, natural gas, and other
                                             882,000,000 868,000,000 958,000,000 867,000,000 855,000,000  670,000,000 
      fuel used in electric generation and purchased power - non-regulated
                                             484,000,000 396,000,000      
      impairments and gains on sales of unconsolidated affiliates
                                               -5,000,000     
      fuel used in electric generation and purchased power—regulated
                                               777,000,000 957,000,000 812,000,000 990,000,000 789,000,000 
      fuel used in electric generation and purchased power—non-regulated
                                               448,000,000 383,000,000 376,000,000 335,000,000 282,000,000 
      earnings per share—basic and diluted
                                                    
      goodwill and other impairment charges
                                                300,000,000  44,000,000 656,000,000 
      gains on sales of unconsolidated affiliates
                                                -3,000,000 2,000,000   
      dividends per share
                                                 0.245  0.485 
      non-regulated electric, natural gas and other
                                                  791,000,000  
      losses on sales and impairments of unconsolidated affiliates
                                                  -1,000,000  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-09-30 2020-06-30 2020-03-31 2019-06-30 2019-03-31 2018-09-30 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-03-31 2012-09-30 2012-03-31 2011-09-30 2011-03-31 2010-09-30 2010-06-30 
                                                     
        assets
                                                     
        current assets
                                                     
        cash and cash equivalents
      2,140,000,000 245,000,000 688,000,000 344,000,000 475,000,000 314,000,000 376,000,000 390,000,000 459,000,000 253,000,000 324,000,000 377,000,000 451,000,000 453,000,000 428,000,000 853,000,000 548,000,000 367,000,000 379,000,000 308,000,000 341,000,000 1,450,000,000 336,000,000 377,000,000 303,000,000 304,000,000 421,000,000 282,000,000 298,000,000 878,000,000 6,179,000,000 676,000,000 778,000,000 1,370,000,000 960,000,000 2,821,000,000 1,931,000,000 2,008,000,000 1,531,000,000 2,166,000,000 1,296,000,000 1,761,000,000 1,071,000,000 2,032,000,000 1,419,000,000 1,808,000,000 1,010,000,000 
        receivables
      3,947,000,000 4,214,000,000 4,006,000,000 4,089,000,000 3,996,000,000 2,232,000,000 2,161,000,000 2,127,000,000 1,646,000,000 1,112,000,000 831,000,000 1,016,000,000 1,035,000,000 1,092,000,000 907,000,000 1,148,000,000 998,000,000 868,000,000 950,000,000 719,000,000 753,000,000 809,000,000 646,000,000 775,000,000 682,000,000 612,000,000 759,000,000 528,000,000 498,000,000 623,000,000 583,000,000 575,000,000 609,000,000 722,000,000 650,000,000 750,000,000 854,000,000 877,000,000 597,000,000 1,585,000,000 1,503,000,000 1,596,000,000 613,000,000 764,000,000 744,000,000 769,000,000 756,000,000 
        inventory
      4,572,000,000 4,569,000,000 4,494,000,000 4,434,000,000 4,418,000,000 4,509,000,000 4,338,000,000 4,390,000,000 4,281,000,000 4,292,000,000 4,118,000,000 4,100,000,000 3,865,000,000 3,487,000,000 3,208,000,000 3,171,000,000 2,900,000,000 3,015,000,000 3,076,000,000 3,190,000,000 3,289,000,000 3,324,000,000 3,189,000,000 3,102,000,000 3,140,000,000 3,177,000,000 3,149,000,000 3,265,000,000 3,369,000,000 3,366,000,000 3,351,000,000 3,627,000,000 3,721,000,000 3,537,000,000 3,469,000,000 3,413,000,000 3,200,000,000 3,056,000,000 2,908,000,000 3,100,000,000 3,096,000,000 3,041,000,000 1,754,000,000 1,421,000,000 1,347,000,000 1,230,000,000 1,302,000,000 
        regulatory assets
      2,201,000,000 1,934,000,000 1,977,000,000 2,269,000,000 2,538,000,000 2,756,000,000 2,300,000,000 2,663,000,000 3,082,000,000 3,648,000,000 3,489,000,000 3,760,000,000 3,502,000,000 3,576,000,000 2,834,000,000 2,334,000,000 1,791,000,000 1,793,000,000 1,650,000,000 1,637,000,000 1,774,000,000 1,770,000,000 1,918,000,000 1,957,000,000 1,906,000,000 1,741,000,000 1,544,000,000 1,109,000,000 1,192,000,000 1,031,000,000 853,000,000 825,000,000 813,000,000 963,000,000 975,000,000 960,000,000 1,232,000,000 1,349,000,000 1,148,000,000 10,220,000,000 10,778,000,000 9,097,000,000 3,517,000,000     
        assets held for sale
       109,000,000 47,000,000   4,000,000 4,000,000 4,000,000 11,000,000 14,000,000 440,000,000 390,000,000 374,000,000                       354,000,000 335,000,000 409,000,000 515,000,000         
        other
      586,000,000 526,000,000 984,000,000 1,001,000,000 780,000,000 695,000,000 447,000,000 436,000,000 359,000,000 431,000,000 602,000,000 633,000,000 452,000,000 1,244,000,000 1,163,000,000 946,000,000 768,000,000 722,000,000 619,000,000 505,000,000 1,031,000,000 1,000,000,000 1,267,000,000 976,000,000 1,092,000,000 437,000,000 422,000,000 433,000,000 436,000,000 425,000,000 429,000,000 451,000,000 308,000,000 1,566,000,000 1,498,000,000 2,008,000,000 1,954,000,000 1,698,000,000 1,661,000,000 2,191,000,000 2,062,000,000 2,123,000,000 1,124,000,000 758,000,000 845,000,000 987,000,000 1,157,000,000 
        total current assets
      13,446,000,000 11,613,000,000 12,208,000,000 12,148,000,000 12,775,000,000 12,950,000,000 12,142,000,000 12,557,000,000 12,091,000,000 12,769,000,000 13,048,000,000 13,088,000,000 12,314,000,000 12,972,000,000 11,561,000,000 11,042,000,000 9,436,000,000 8,985,000,000 8,508,000,000 8,679,000,000 9,237,000,000 10,181,000,000 9,509,000,000 9,168,000,000 9,520,000,000 8,476,000,000 8,279,000,000 7,706,000,000 7,673,000,000 8,005,000,000 13,534,000,000 8,097,000,000 7,943,000,000 10,195,000,000 9,598,000,000 12,322,000,000 11,575,000,000 11,515,000,000 10,565,000,000 10,418,000,000 9,549,000,000 10,106,000,000 5,924,000,000 6,273,000,000 5,545,000,000 6,037,000,000 5,443,000,000 
        property, plant and equipment
                                                     
        cost
      193,525,000,000 190,409,000,000 185,941,000,000 186,261,000,000 183,546,000,000 180,806,000,000 179,542,000,000 177,974,000,000 173,926,000,000 171,351,000,000 170,941,000,000 168,506,000,000 166,096,000,000 169,053,000,000 166,004,000,000 163,700,000,000 160,652,000,000 158,272,000,000 157,372,000,000 153,916,000,000 151,592,000,000 149,676,000,000 141,363,000,000 139,377,000,000 132,677,000,000 130,616,000,000 129,281,000,000 125,582,000,000 124,439,000,000 123,301,000,000 116,376,000,000 115,143,000,000 113,942,000,000 110,795,000,000 107,125,000,000 105,692,000,000 104,140,000,000 100,885,000,000 99,874,000,000 100,682,000,000 99,605,000,000 100,156,000,000 61,036,000,000 59,861,000,000 58,515,000,000 57,145,000,000 56,063,000,000 
        accumulated depreciation and amortization
      -61,252,000,000 -60,450,000,000 -59,246,000,000 -59,613,000,000 -58,672,000,000 -57,503,000,000 -58,146,000,000 -57,874,000,000 -57,035,000,000 -56,038,000,000 -54,994,000,000 -54,030,000,000 -53,162,000,000 -53,241,000,000 -52,252,000,000 -51,517,000,000 -50,543,000,000 -49,752,000,000 -49,772,000,000    -44,482,000,000 -43,992,000,000 -43,200,000,000 -42,499,000,000 -42,307,000,000 -41,161,000,000 -40,522,000,000 -40,293,000,000 -38,812,000,000 -38,412,000,000 -38,154,000,000 -37,479,000,000 -35,826,000,000 -35,400,000,000 -34,545,000,000 -33,977,000,000 -33,519,000,000 -33,136,000,000 -32,501,000,000 -32,318,000,000 -19,086,000,000     
        net property, plant and equipment
      132,273,000,000 129,959,000,000 126,695,000,000 126,648,000,000 124,874,000,000 123,303,000,000 121,396,000,000 120,100,000,000 116,891,000,000 115,315,000,000 115,947,000,000 114,480,000,000 112,942,000,000 115,907,000,000 113,851,000,000 112,316,000,000 110,236,000,000 108,641,000,000 107,629,000,000 105,760,000,000 104,325,000,000 103,108,000,000 97,198,000,000 95,721,000,000 89,865,000,000 88,495,000,000 87,373,000,000 84,862,000,000 84,404,000,000 83,516,000,000 78,216,000,000 77,329,000,000 76,432,000,000 73,776,000,000 71,759,000,000 70,301,000,000 69,595,000,000 66,908,000,000 66,355,000,000 69,284,000,000 68,813,000,000 69,031,000,000 42,971,000,000 41,877,000,000 40,944,000,000 39,724,000,000 39,060,000,000 
        other noncurrent assets
                                                     
        goodwill
      19,010,000,000 19,010,000,000 19,010,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,303,000,000 19,396,000,000 19,396,000,000 19,418,000,000 19,425,000,000 19,425,000,000 16,354,000,000 16,357,000,000 16,349,000,000 16,312,000,000 16,328,000,000 16,329,000,000 16,331,000,000 16,343,000,000 16,342,000,000 16,345,000,000 16,371,000,000 16,180,000,000 3,853,000,000 3,847,000,000 3,862,000,000 3,857,000,000 3,848,000,000 
        nuclear decommissioning trust funds
      12,644,000,000 12,889,000,000 12,778,000,000 12,109,000,000 11,246,000,000 11,434,000,000 11,511,000,000 10,944,000,000 10,775,000,000 10,143,000,000 9,245,000,000 9,565,000,000 9,124,000,000 8,123,000,000 8,574,000,000 9,827,000,000 9,861,000,000 9,886,000,000 9,410,000,000 8,363,000,000 8,000,000,000 7,052,000,000 7,621,000,000 7,374,000,000 7,421,000,000 7,132,000,000 7,024,000,000 6,814,000,000 6,601,000,000 6,448,000,000 6,112,000,000 5,966,000,000 5,880,000,000 5,566,000,000 5,529,000,000 5,576,000,000 5,374,000,000 5,417,000,000 5,231,000,000 4,805,000,000 4,536,000,000 4,155,000,000 2,247,000,000 1,924,000,000 2,104,000,000 1,884,000,000 1,723,000,000 
        operating lease right-of-use assets
      1,169,000,000 1,241,000,000 1,211,000,000 1,209,000,000 1,219,000,000 1,148,000,000 1,146,000,000 1,108,000,000 1,092,000,000 1,092,000,000 1,073,000,000 1,009,000,000 1,019,000,000 1,199,000,000 1,222,000,000 1,255,000,000 1,287,000,000 1,495,000,000 1,540,000,000 1,577,000,000 1,580,000,000 1,633,000,000 1,735,000,000 1,698,000,000                        
        investments in equity method unconsolidated affiliates
      328,000,000 330,000,000 323,000,000 332,000,000 357,000,000 353,000,000 477,000,000 483,000,000 502,000,000 492,000,000 505,000,000 479,000,000 465,000,000 951,000,000 983,000,000 976,000,000 951,000,000 938,000,000 919,000,000 924,000,000 861,000,000 2,067,000,000 1,715,000,000 1,602,000,000 1,328,000,000 1,168,000,000 1,189,000,000 1,366,000,000 1,267,000,000 1,122,000,000 604,000,000 613,000,000 547,000,000 501,000,000 375,000,000 343,000,000 350,000,000 381,000,000 386,000,000 511,000,000 478,000,000 542,000,000 479,000,000 459,000,000 445,000,000 351,000,000 358,000,000 
        total other noncurrent assets
      52,329,000,000 54,164,000,000 53,390,000,000 50,917,000,000 49,827,000,000 50,090,000,000 50,028,000,000 48,918,000,000 49,688,000,000 48,809,000,000 52,165,000,000 52,508,000,000 53,577,000,000 47,461,000,000 46,971,000,000 47,862,000,000 47,335,000,000 47,759,000,000 47,328,000,000 46,970,000,000 46,487,000,000 46,783,000,000 46,742,000,000 44,549,000,000 43,780,000,000 43,288,000,000 42,889,000,000 43,757,000,000 42,927,000,000 42,587,000,000                  
        total assets
      198,048,000,000 195,736,000,000 192,293,000,000 189,713,000,000 187,476,000,000 186,343,000,000 183,566,000,000 181,575,000,000 178,670,000,000 176,893,000,000 181,160,000,000 180,076,000,000 178,833,000,000 176,340,000,000 172,383,000,000 171,220,000,000 167,007,000,000 165,385,000,000 163,465,000,000 161,409,000,000 160,049,000,000 160,072,000,000 153,449,000,000 151,136,000,000 143,165,000,000 140,259,000,000 138,541,000,000 136,325,000,000 135,004,000,000 134,108,000,000 129,686,000,000 122,654,000,000 121,709,000,000 121,033,000,000 118,575,000,000 122,142,000,000 119,656,000,000 115,173,000,000 113,792,000,000 114,590,000,000 113,666,000,000 112,008,000,000 61,799,000,000 60,776,000,000 58,986,000,000 57,857,000,000 56,400,000,000 
        liabilities and equity
                                                     
        current liabilities
                                                     
        accounts payable
      4,732,000,000 5,223,000,000 4,191,000,000 4,373,000,000 4,442,000,000 5,479,000,000 3,953,000,000 3,777,000,000 3,364,000,000 4,228,000,000 3,539,000,000 3,225,000,000 3,214,000,000 4,175,000,000 3,971,000,000 3,175,000,000 2,888,000,000 2,716,000,000 2,497,000,000 2,486,000,000 2,398,000,000 2,364,000,000 2,512,000,000 2,538,000,000 3,234,000,000 2,686,000,000 2,391,000,000 2,645,000,000 2,177,000,000 2,203,000,000 2,138,000,000 2,221,000,000 2,086,000,000 2,078,000,000 1,920,000,000 1,920,000,000 1,801,000,000 1,782,000,000 1,892,000,000 1,819,000,000 1,985,000,000 1,912,000,000 1,050,000,000 1,080,000,000 1,305,000,000 1,387,000,000 1,234,000,000 
        notes payable and commercial paper
      2,373,000,000 2,624,000,000 2,885,000,000 3,473,000,000 2,568,000,000 3,584,000,000 3,947,000,000 3,670,000,000 4,155,000,000 4,288,000,000 3,154,000,000 3,455,000,000 3,731,000,000 3,606,000,000 3,875,000,000 3,262,000,000 2,098,000,000 3,296,000,000 4,064,000,000 3,425,000,000 4,785,000,000 3,033,000,000 3,793,000,000 3,029,000,000 2,891,000,000 3,329,000,000 2,969,000,000 1,899,000,000 3,488,000,000 3,558,000,000 3,011,000,000 2,312,000,000 3,486,000,000 2,419,000,000 2,162,000,000 3,790,000,000 1,787,000,000 1,867,000,000 1,737,000,000 1,278,000,000 1,361,000,000 600,000,000 181,000,000    12,000,000 
        taxes accrued
      839,000,000 975,000,000 1,141,000,000 837,000,000 794,000,000 851,000,000 1,016,000,000 748,000,000 708,000,000 816,000,000 991,000,000 708,000,000 586,000,000 946,000,000 682,000,000 642,000,000 908,000,000 692,000,000 574,000,000 768,000,000 657,000,000 493,000,000 521,000,000 470,000,000 674,000,000 494,000,000 422,000,000 627,000,000 432,000,000 363,000,000 636,000,000 467,000,000 394,000,000 628,000,000 550,000,000 508,000,000 704,000,000 522,000,000 423,000,000 706,000,000 425,000,000 601,000,000 369,000,000 438,000,000 382,000,000 416,000,000 395,000,000 
        interest accrued
      816,000,000 922,000,000 814,000,000 881,000,000 821,000,000 855,000,000 809,000,000 790,000,000 798,000,000 745,000,000 750,000,000 714,000,000 693,000,000 596,000,000 554,000,000 575,000,000 558,000,000 537,000,000 536,000,000 556,000,000 569,000,000 571,000,000 564,000,000 544,000,000 557,000,000 530,000,000 542,000,000 538,000,000 506,000,000 526,000,000 504,000,000 448,000,000 481,000,000 483,000,000 419,000,000 490,000,000 476,000,000 453,000,000 478,000,000 474,000,000 478,000,000 474,000,000 287,000,000 269,000,000 267,000,000 246,000,000 243,000,000 
        current maturities of long-term debt
      7,395,000,000 7,104,000,000 6,452,000,000 5,046,000,000 4,180,000,000 4,349,000,000 3,597,000,000 2,340,000,000 2,274,000,000 2,800,000,000 4,034,000,000 4,609,000,000 3,330,000,000 3,249,000,000 3,171,000,000 3,884,000,000 4,873,000,000 4,976,000,000 5,586,000,000 4,669,000,000 3,756,000,000 5,077,000,000 2,698,000,000 2,501,000,000 3,455,000,000 2,852,000,000 3,951,000,000 2,485,000,000 3,472,000,000 1,977,000,000 3,201,000,000 2,342,000,000 2,075,000,000 2,536,000,000 2,374,000,000 2,800,000,000 1,156,000,000 1,887,000,000 885,000,000 2,307,000,000 3,323,000,000 2,488,000,000 1,067,000,000 1,527,000,000 1,029,000,000 242,000,000 318,000,000 
        asset retirement obligations
      574,000,000 579,000,000 592,000,000 636,000,000 643,000,000 650,000,000 639,000,000 636,000,000 603,000,000 596,000,000 620,000,000 692,000,000 732,000,000 798,000,000 649,000,000 648,000,000 673,000,000 691,000,000 709,000,000 742,000,000 729,000,000 802,000,000 739,000,000 779,000,000 902,000,000 716,000,000 676,000,000 619,000,000 397,000,000 404,000,000 539,000,000 10,231,000,000 10,269,000,000 9,713,000,000 9,490,000,000 8,541,000,000 8,499,000,000 5,030,000,000 4,994,000,000 5,341,000,000 5,229,000,000 4,846,000,000 1,965,000,000 1,905,000,000 1,843,000,000 1,780,000,000 1,754,000,000 
        regulatory liabilities
      1,554,000,000 1,271,000,000 1,229,000,000 1,257,000,000 1,298,000,000 1,425,000,000 1,267,000,000 1,228,000,000 1,309,000,000 1,369,000,000 1,396,000,000 1,303,000,000 1,283,000,000 1,338,000,000 1,383,000,000 1,238,000,000 1,319,000,000 1,309,000,000 1,509,000,000 1,218,000,000 898,000,000 826,000,000 600,000,000 611,000,000 506,000,000 485,000,000 505,000,000 273,000,000 286,000,000 340,000,000 319,000,000 332,000,000 404,000,000 320,000,000 245,000,000 235,000,000 175,000,000 140,000,000 243,000,000 5,904,000,000 5,555,000,000 5,739,000,000 2,951,000,000     
        liabilities associated with assets held for sale
       84,000,000 57,000,000 18,000,000 18,000,000 80,000,000 77,000,000 81,000,000 251,000,000 122,000,000 589,000,000 575,000,000 476,000,000                       146,000,000 284,000,000 271,000,000 222,000,000         
        total current liabilities
      20,334,000,000 21,047,000,000 19,405,000,000 18,408,000,000 16,625,000,000 19,357,000,000 17,427,000,000 15,482,000,000 15,546,000,000 17,283,000,000 17,160,000,000 17,375,000,000 16,015,000,000 16,912,000,000 16,544,000,000 15,425,000,000 15,556,000,000 16,211,000,000 17,333,000,000 16,693,000,000 16,690,000,000 15,170,000,000 13,447,000,000 12,282,000,000 13,922,000,000 12,791,000,000 12,998,000,000 10,820,000,000 12,466,000,000 10,941,000,000 12,076,000,000 9,906,000,000 10,891,000,000 10,516,000,000 9,646,000,000 11,903,000,000 8,251,000,000 8,708,000,000 7,492,000,000 9,239,000,000 9,965,000,000 8,556,000,000 4,283,000,000 5,115,000,000 4,197,000,000 3,665,000,000 3,837,000,000 
        long-term debt
      80,477,000,000 80,108,000,000 79,301,000,000 78,914,000,000 79,700,000,000 76,340,000,000 76,524,000,000 76,439,000,000 74,979,000,000 72,452,000,000 71,353,000,000 69,914,000,000 69,107,000,000 66,060,000,000 63,147,000,000 62,196,000,000 57,929,000,000 57,410,000,000 54,768,000,000 56,049,000,000 56,143,000,000 56,311,000,000 54,342,000,000 53,681,000,000 50,507,000,000 49,863,000,000 49,030,000,000 48,929,000,000 46,043,000,000 47,021,000,000 43,964,000,000 39,931,000,000 38,232,000,000 37,667,000,000 36,795,000,000 37,173,000,000 38,702,000,000 38,706,000,000 39,000,000,000 36,137,000,000 35,084,000,000 35,198,000,000 18,081,000,000 16,625,000,000 16,254,000,000 16,961,000,000 16,414,000,000 
        other noncurrent liabilities
                                                     
        deferred income taxes
      12,799,000,000 12,377,000,000 12,271,000,000 11,990,000,000 11,609,000,000 11,424,000,000 10,859,000,000 10,773,000,000 10,721,000,000 10,556,000,000 10,438,000,000 10,210,000,000 10,188,000,000 10,244,000,000 9,948,000,000 9,673,000,000 9,875,000,000 9,644,000,000 9,459,000,000 9,170,000,000 8,979,000,000 9,321,000,000 8,532,000,000 8,040,000,000 7,765,000,000 6,977,000,000 6,855,000,000 15,058,000,000 14,695,000,000 14,443,000,000 13,201,000,000 13,038,000,000 12,825,000,000 13,999,000,000 13,664,000,000 13,914,000,000 12,989,000,000 12,014,000,000 11,852,000,000 11,489,000,000 10,518,000,000 10,317,000,000 7,726,000,000 7,466,000,000 7,039,000,000 6,397,000,000 6,205,000,000 
        operating lease liabilities
      964,000,000 1,033,000,000 1,009,000,000 1,020,000,000 1,033,000,000 957,000,000 956,000,000 925,000,000 915,000,000 917,000,000 897,000,000 841,000,000 851,000,000 1,004,000,000 1,039,000,000 1,068,000,000 1,093,000,000 1,315,000,000 1,352,000,000 1,379,000,000 1,377,000,000 1,414,000,000 1,502,000,000 1,488,000,000                        
        accrued pension and other post-retirement benefit costs
      384,000,000 396,000,000 404,000,000 410,000,000 426,000,000 434,000,000 432,000,000 437,000,000 473,000,000 485,000,000 662,000,000 808,000,000 820,000,000 995,000,000 799,000,000 832,000,000 988,000,000 995,000,000 1,010,000,000 903,000,000 911,000,000 919,000,000 959,000,000 974,000,000 1,001,000,000 1,014,000,000 1,018,000,000 1,105,000,000 1,108,000,000 1,115,000,000 1,030,000,000 1,044,000,000 1,077,000,000 1,130,000,000 1,152,000,000 1,170,000,000 1,231,000,000 1,263,000,000 1,270,000,000 1,743,000,000 2,380,000,000 2,542,000,000 846,000,000     
        investment tax credits
      985,000,000 969,000,000 890,000,000 882,000,000 888,000,000 894,000,000 866,000,000 860,000,000 862,000,000 864,000,000 856,000,000 849,000,000 852,000,000 851,000,000 855,000,000 831,000,000 804,000,000 770,000,000 747,000,000 689,000,000 683,000,000 659,000,000 569,000,000 571,000,000 539,000,000 534,000,000 537,000,000 534,000,000 534,000,000 537,000,000 486,000,000 492,000,000 493,000,000 416,000,000 420,000,000 424,000,000 431,000,000 435,000,000 438,000,000 446,000,000 454,000,000 462,000,000 381,000,000 377,000,000 361,000,000 375,000,000 352,000,000 
        total other noncurrent liabilities
      40,759,000,000 41,562,000,000 40,960,000,000 40,361,000,000 39,357,000,000 39,390,000,000 39,366,000,000 38,848,000,000 37,507,000,000 36,971,000,000 40,821,000,000 41,716,000,000 41,760,000,000 41,199,000,000 41,108,000,000 42,347,000,000 42,282,000,000 42,219,000,000 41,706,000,000 41,372,000,000 40,605,000,000 40,508,000,000 40,328,000,000 38,640,000,000 35,723,000,000 35,090,000,000 34,715,000,000 34,934,000,000 35,201,000,000 34,960,000,000                  
        commitments and contingencies
                                                     
        equity
                                                     
        preferred stock, series a, 0.001 par value...
      973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000 973,000,000                          
        common stock, 0.001 par value...
      1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 
        additional paid-in capital
      47,551,000,000 45,614,000,000 45,592,000,000 45,573,000,000 45,516,000,000 45,494,000,000 45,060,000,000 45,007,000,000 44,937,000,000 44,920,000,000 44,886,000,000 44,866,000,000 44,837,000,000 44,397,000,000 44,373,000,000 44,364,000,000 44,348,000,000 43,788,000,000 43,761,000,000 41,046,000,000 40,997,000,000 40,930,000,000 40,885,000,000 40,823,000,000 39,747,000,000 39,682,000,000 38,839,000,000 38,774,000,000 38,758,000,000 38,742,000,000 37,997,000,000 37,984,000,000 37,969,000,000 37,953,000,000 37,933,000,000 39,413,000,000 39,388,000,000 39,389,000,000 39,372,000,000 39,317,000,000 39,263,000,000 39,249,000,000 21,121,000,000 21,061,000,000 21,027,000,000 20,912,000,000 20,789,000,000 
        retained earnings
      5,761,000,000 5,056,000,000 4,718,000,000 4,141,000,000 3,986,000,000 3,431,000,000 3,052,000,000 2,635,000,000 2,542,000,000 2,235,000,000 2,036,000,000 1,615,000,000 2,626,000,000 4,063,000,000 3,457,000,000 3,323,000,000 3,293,000,000 2,687,000,000 2,680,000,000 3,260,000,000 2,707,000,000 4,221,000,000 3,502,000,000 3,360,000,000 3,313,000,000 2,894,000,000 3,021,000,000 2,936,000,000 2,607,000,000 2,521,000,000 3,212,000,000 2,627,000,000 2,688,000,000 2,656,000,000 2,294,000,000 2,309,000,000 2,479,000,000 1,768,000,000 1,713,000,000 2,227,000,000 1,978,000,000 1,995,000,000 1,833,000,000 1,920,000,000 1,676,000,000 1,396,000,000 726,000,000 
        accumulated other comprehensive income
      171,000,000 198,000,000 178,000,000 203,000,000 194,000,000 228,000,000 47,000,000 102,000,000 109,000,000                                   -188,000,000    
        total duke energy corporation stockholders' equity
      54,457,000,000 51,842,000,000 51,462,000,000 50,891,000,000 50,670,000,000 50,127,000,000 49,133,000,000 49,707,000,000 49,551,000,000 49,112,000,000 49,006,000,000 48,333,000,000 49,260,000,000 50,345,000,000 49,720,000,000 49,446,000,000 49,307,000,000 48,132,000,000 48,186,000,000 46,006,000,000 45,484,000,000 46,921,000,000 45,213,000,000 45,030,000,000 42,995,000,000 42,507,000,000 41,792,000,000 41,631,000,000 41,284,000,000 41,179,000,000 40,489,000,000 39,895,000,000 39,892,000,000 39,832,000,000 39,580,000,000 41,051,000,000 41,412,000,000 40,803,000,000 40,709,000,000         
        noncontrolling interests
      2,021,000,000 1,177,000,000 1,165,000,000 1,139,000,000 1,124,000,000 1,129,000,000 1,116,000,000 1,099,000,000 1,087,000,000 1,075,000,000 2,820,000,000 2,738,000,000 2,691,000,000 1,824,000,000 1,864,000,000 1,806,000,000 1,933,000,000 1,413,000,000 1,472,000,000 1,289,000,000 1,127,000,000 1,162,000,000 119,000,000 15,000,000 18,000,000 8,000,000 6,000,000 11,000,000 10,000,000 7,000,000 57,000,000 53,000,000 49,000,000 36,000,000 37,000,000 36,000,000 41,000,000 78,000,000 80,000,000 72,000,000 77,000,000 90,000,000 97,000,000 105,000,000 122,000,000 134,000,000 136,000,000 
        total equity
      56,478,000,000 53,019,000,000 52,627,000,000 52,030,000,000 51,794,000,000 51,256,000,000 50,249,000,000 50,806,000,000 50,638,000,000 50,187,000,000 51,826,000,000 51,071,000,000 51,951,000,000 52,169,000,000 51,584,000,000 51,252,000,000 51,240,000,000 49,545,000,000 49,658,000,000 47,295,000,000 46,611,000,000 48,083,000,000 45,332,000,000 45,045,000,000 43,013,000,000 42,515,000,000 41,798,000,000 41,642,000,000 41,294,000,000 41,186,000,000 40,546,000,000 39,948,000,000 39,941,000,000 39,868,000,000 39,617,000,000 41,087,000,000 41,453,000,000 40,881,000,000 40,789,000,000 41,237,000,000 41,030,000,000 40,995,000,000 22,878,000,000 22,899,000,000 22,856,000,000 22,149,000,000 21,263,000,000 
        total liabilities and equity
      198,048,000,000 195,736,000,000 192,293,000,000 189,713,000,000 187,476,000,000 186,343,000,000 183,566,000,000 181,575,000,000 178,670,000,000 176,893,000,000 181,160,000,000 180,076,000,000 178,833,000,000 176,340,000,000 172,383,000,000 171,220,000,000 167,007,000,000 165,385,000,000 163,465,000,000 161,409,000,000 160,049,000,000 160,072,000,000 153,449,000,000 151,136,000,000 143,165,000,000 140,259,000,000 138,541,000,000 136,325,000,000 135,004,000,000 134,108,000,000 129,686,000,000 122,654,000,000 121,709,000,000 121,033,000,000 118,575,000,000 122,142,000,000 119,656,000,000 115,173,000,000 113,792,000,000 114,590,000,000 113,666,000,000 112,008,000,000 61,799,000,000 60,776,000,000 58,986,000,000 57,857,000,000 56,400,000,000 
        receivables of vies
       16,000,000 12,000,000 11,000,000 10,000,000 1,889,000,000 1,971,000,000 2,009,000,000 2,253,000,000 3,019,000,000 3,244,000,000 2,812,000,000 2,635,000,000 3,120,000,000 3,021,000,000 2,590,000,000 2,431,000,000 2,220,000,000 1,834,000,000 2,320,000,000 2,049,000,000 1,828,000,000 2,153,000,000 1,981,000,000 2,397,000,000 2,205,000,000 1,984,000,000 2,089,000,000 1,880,000,000 1,682,000,000 2,139,000,000 1,943,000,000                
        receivable from sales of commercial renewables disposal groups
          558,000,000 551,000,000 545,000,000 538,000,000                                        
        preferred stock, series b, 0.001 par value...
             989,000,000 989,000,000 989,000,000 989,000,000 989,000,000 989,000,000 989,000,000 989,000,000 989,000,000 989,000,000 989,000,000 989,000,000 989,000,000 989,000,000 989,000,000                          
        facilities to be retired
               2,000,000  4,000,000 8,000,000 95,000,000 99,000,000 133,000,000 127,000,000 121,000,000                              
        accumulated other comprehensive loss
               -6,000,000 121,000,000 -111,000,000 -166,000,000 -78,000,000 -73,000,000 -204,000,000 -297,000,000 -306,000,000 -218,000,000    -148,000,000 -128,000,000 -66,000,000 -70,000,000 -69,000,000 -80,000,000 -82,000,000 -85,000,000 -721,000,000 -717,000,000 -766,000,000 -778,000,000 -648,000,000 -672,000,000 -456,000,000 -355,000,000 -377,000,000 -380,000,000 -289,000,000 -340,000,000 -174,000,000  30,000,000 -294,000,000 -389,000,000 
        generation facilities to be retired
                        29,000,000 29,000,000 28,000,000 31,000,000 317,000,000 336,000,000 388,000,000 378,000,000 399,000,000 441,000,000 487,000,000 508,000,000 652,000,000 598,000,000 644,000,000 460,000,000 460,000,000 9,000,000    59,000,000 130,000,000 232,000,000 79,000,000     
        preferred stock, 0.001 par value...
                            973,000,000 974,000,000                        
        investments and other assets
                                                     
        total investments and other assets
                                    26,018,000,000 25,908,000,000 25,812,000,000 25,584,000,000 25,471,000,000 28,058,000,000 28,060,000,000 27,563,000,000 27,551,000,000 24,490,000,000 24,330,000,000 23,611,000,000 9,236,000,000 9,072,000,000 9,321,000,000 9,127,000,000 9,042,000,000 
        regulatory assets and deferred debits
                                                     
        total regulatory assets and deferred debits
                                    11,918,000,000 11,320,000,000 11,522,000,000 11,478,000,000 11,747,000,000 11,461,000,000 10,426,000,000 9,187,000,000 9,321,000,000 10,398,000,000 10,974,000,000 9,260,000,000 3,668,000,000 3,554,000,000 3,176,000,000 2,969,000,000 2,855,000,000 
        deferred credits and other liabilities
                                                     
        total deferred credits and other liabilities
                                    33,100,000,000 32,869,000,000 32,645,000,000 32,982,000,000 32,517,000,000 31,979,000,000 31,250,000,000 26,878,000,000 26,511,000,000 26,712,000,000 26,332,000,000 26,255,000,000 15,612,000,000 15,178,000,000 14,707,000,000 14,281,000,000 14,081,000,000 
        restricted receivables of variable interest entities
                                      1,714,000,000 2,037,000,000 2,046,000,000 2,016,000,000 2,069,000,000 2,118,000,000 2,199,000,000 1,258,000,000 1,304,000,000 1,250,000,000 1,124,000,000 1,152,000,000 1,181,000,000 1,243,000,000 1,218,000,000 
        short-term investments
                                            6,000,000 118,000,000 288,000,000 335,000,000 238,000,000 146,000,000 9,000,000   
        intangibles
                                             351,000,000 356,000,000 359,000,000 357,000,000 371,000,000 463,000,000 489,000,000 507,000,000 
        notes receivable
                                             65,000,000 69,000,000 74,000,000 68,000,000 59,000,000 61,000,000 43,000,000 42,000,000 
        restricted other assets of variable interest entities
                                             52,000,000 54,000,000 115,000,000 129,000,000 176,000,000 162,000,000 144,000,000 147,000,000 
        cost, variable interest entities
                                             1,679,000,000 1,579,000,000 961,000,000 942,000,000 921,000,000 920,000,000 648,000,000 624,000,000 
        non-recourse notes payable of variable interest entities
                                             325,000,000 325,000,000 275,000,000 275,000,000 275,000,000 275,000,000 287,000,000 242,000,000 
        non-recourse long-term debt of variable interest entities
                                             1,265,000,000 1,255,000,000 911,000,000 945,000,000 959,000,000 972,000,000 801,000,000 805,000,000 
        preferred stock of subsidiaries
                                               93,000,000      
        total duke energy corporation shareholders' equity
                                             41,165,000,000 40,953,000,000 40,905,000,000      
        total duke energy corporation shareholders’ equity
                                                22,781,000,000 22,794,000,000 22,734,000,000 22,015,000,000 21,127,000,000 
        less accumulated depreciation and amortization
                                                 18,905,000,000 18,491,000,000 18,069,000,000 17,627,000,000 
        deferred debt expense
                                                 232,000,000 239,000,000 250,000,000 252,000,000 
        regulatory assets related to income taxes
                                                 843,000,000 806,000,000 751,000,000 712,000,000 
        notes payable
                                                 480,000,000    
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-09-30 2023-06-30 2023-03-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-09-30 2020-06-30 2020-03-31 2019-06-30 2019-03-31 2018-09-30 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-03-31 2010-09-30 
                                                    
          cash flows from operating activities
                                                    
          net income
        1,577,000,000 1,206,000,000 1,454,000,000 1,007,000,000 1,404,000,000 1,227,000,000 1,315,000,000 921,000,000 1,151,000,000 1,321,000,000 -204,000,000 761,000,000 1,413,000,000 880,000,000 820,000,000 1,276,000,000 698,000,000 941,000,000 1,234,000,000 -892,000,000 890,000,000 748,000,000 893,000,000 1,066,000,000 502,000,000 622,000,000 955,000,000 689,000,000 717,000,000 1,181,000,000 512,000,000 699,000,000 935,000,000 547,000,000 867,000,000 1,269,000,000 613,000,000 -93,000,000 634,000,000 598,000,000 448,000,000 299,000,000 513,000,000 666,000,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                    
          depreciation, amortization and accretion
        1,884,000,000 1,960,000,000 2,085,000,000 1,968,000,000 1,691,000,000 1,627,000,000 1,692,000,000 1,566,000,000 1,534,000,000 1,622,000,000 1,572,000,000 1,344,000,000 1,491,000,000 1,443,000,000 1,480,000,000 1,436,000,000 1,368,000,000 1,385,000,000 1,430,000,000 1,350,000,000 1,301,000,000 1,245,000,000 1,238,000,000 1,197,000,000 1,161,000,000 1,089,000,000 1,037,000,000 962,000,000 991,000,000 979,000,000 937,000,000 931,000,000 896,000,000 901,000,000 883,000,000 893,000,000 864,000,000 884,000,000       
          equity component of afudc
        -88,000,000 -92,000,000 -89,000,000 -77,000,000 -70,000,000 -60,000,000 -57,000,000 -61,000,000 -55,000,000 -49,000,000 -51,000,000 -46,000,000 -52,000,000 -53,000,000 -46,000,000 -43,000,000 -41,000,000 -42,000,000                    -28,000,000    -59,000,000 -60,000,000 -63,000,000 
          gain on sale of piedmont's tennessee business
        -368,000,000                                            
          gains on sales of other assets
        -16,000,000 -8,000,000 -17,000,000 -14,000,000 -6,000,000 -1,000,000 -7,000,000 -6,000,000 -12,000,000 -8,000,000                                -3,000,000 -13,000,000 -2,000,000 
          deferred income taxes
        412,000,000 264,000,000 329,000,000 419,000,000 192,000,000 618,000,000 105,000,000 115,000,000 149,000,000 23,000,000 -142,000,000 90,000,000 142,000,000 78,000,000 -11,000,000 87,000,000 33,000,000 86,000,000 105,000,000 -317,000,000 422,000,000 430,000,000 97,000,000 810,000,000 90,000,000 199,000,000 347,000,000 327,000,000 342,000,000 363,000,000 104,000,000 181,000,000 405,000,000 331,000,000 368,000,000   -178,000,000    65,000,000 175,000,000 282,000,000 
          equity in earnings of unconsolidated affiliates
        -7,000,000  -16,000,000 -11,000,000 -11,000,000  -15,000,000 -21,000,000 -17,000,000 -41,000,000 -9,000,000 -20,000,000                          -36,000,000    -45,000,000 -32,000,000 -21,000,000 
          payments for asset retirement obligations
        -119,000,000 -135,000,000 -133,000,000 -139,000,000 -102,000,000 -128,000,000 -155,000,000 -147,000,000 -115,000,000 -162,000,000 -144,000,000 -117,000,000 -163,000,000 -136,000,000 -119,000,000 -126,000,000 -149,000,000 -114,000,000                           
          decrease in
                                                    
          net realized and unrealized mark-to-market and hedging transactions
           181,000,000 85,000,000 -138,000,000 72,000,000 -4,000,000 -33,000,000 -64,000,000 88,000,000 5,000,000 -318,000,000 136,000,000 215,000,000 101,000,000       10,000,000 8,000,000 3,000,000 4,000,000    -163,000,000 97,000,000 102,000,000    12,000,000      -2,000,000 18,000,000 38,000,000 
          receivables
        336,000,000 -270,000,000 30,000,000 -97,000,000 150,000,000 -1,000,000 -3,000,000 -245,000,000 226,000,000 -105,000,000 -168,000,000 754,000,000 -176,000,000 -185,000,000 5,000,000 -252,000,000 -292,000,000 377,000,000 -223,000,000 -185,000,000 466,000,000 -84,000,000 388,000,000   64,000,000 -213,000,000 -50,000,000 343,000,000   121,000,000 -38,000,000         172,000,000 218,000,000 24,000,000 
          inventory
        1,000,000 -78,000,000 -70,000,000 -14,000,000 99,000,000 -176,000,000 50,000,000 -97,000,000 11,000,000 -14,000,000 -242,000,000 -275,000,000 -278,000,000 -40,000,000 28,000,000 115,000,000 62,000,000 91,000,000      34,000,000 -31,000,000 101,000,000 95,000,000 -2,000,000 155,000,000 277,000,000 89,000,000 89,000,000  -55,000,000 57,000,000       -162,000,000 -31,000,000 72,000,000 
          other current assets
        -328,000,000 462,000,000 -213,000,000 -350,000,000 107,000,000 143,000,000 240,000,000 173,000,000 329,000,000 81,000,000 -303,000,000 262,000,000 -1,259,000,000 -817,000,000 -327,000,000 -346,000,000 -250,000,000 -47,000,000     98,000,000  -6,000,000 27,000,000   16,000,000   13,000,000          110,000,000 96,000,000 83,000,000 
          increase in
                                                    
          accounts payable
        -302,000,000 487,000,000 -321,000,000 -121,000,000 -866,000,000 1,239,000,000 305,000,000 338,000,000 -553,000,000 273,000,000 -52,000,000 -1,193,000,000 96,000,000 568,000,000 -160,000,000 151,000,000 170,000,000 -467,000,000                        -270,000,000 -192,000,000 24,000,000 
          taxes accrued
        -139,000,000 -168,000,000 302,000,000 45,000,000 -52,000,000 -170,000,000 270,000,000 42,000,000 -110,000,000 285,000,000 140,000,000 -148,000,000 255,000,000 41,000,000 -90,000,000 212,000,000 115,000,000 104,000,000 113,000,000 160,000,000 113,000,000      192,000,000   201,000,000 176,000,000 40,000,000          -62,000,000 -29,000,000 -33,000,000 
          other current liabilities
        -460,000,000 276,000,000 150,000,000 94,000,000 -468,000,000 237,000,000 4,000,000 -44,000,000 -208,000,000 38,000,000 112,000,000 -266,000,000 164,000,000 368,000,000 -269,000,000 336,000,000 -63,000,000 -263,000,000                        10,000,000 -193,000,000 27,000,000 
          other assets
        -936,000,000 -221,000,000 38,000,000 -18,000,000 -64,000,000 -1,324,000,000 -177,000,000 290,000,000 41,000,000 -117,000,000 628,000,000 -20,000,000 -139,000,000 81,000,000 -26,000,000 122,000,000 26,000,000 51,000,000              45,000,000   30,000,000   -22,000,000    3,000,000 27,000,000 -87,000,000 
          other liabilities
        65,000,000 95,000,000 369,000,000 -13,000,000 84,000,000 230,000,000 -6,000,000 78,000,000 149,000,000 286,000,000 -75,000,000 157,000,000 97,000,000 -45,000,000 136,000,000 124,000,000 -16,000,000 -31,000,000    -1,000,000 40,000,000      2,000,000       89,000,000 67,000,000 6,000,000    -62,000,000 -40,000,000 1,000,000 
          net cash from operating activities
        1,512,000,000 3,658,000,000 3,632,000,000 2,863,000,000 2,177,000,000 3,377,000,000 3,524,000,000 2,953,000,000 2,474,000,000 3,524,000,000 2,302,000,000 1,483,000,000 1,153,000,000 2,240,000,000 1,795,000,000 3,354,000,000 1,785,000,000 2,088,000,000 3,409,000,000 1,803,000,000 1,554,000,000 1,817,000,000 1,239,000,000 2,365,000,000 1,911,000,000 1,391,000,000 2,255,000,000 1,467,000,000 1,289,000,000 2,386,000,000 1,542,000,000 1,664,000,000 2,517,000,000 1,439,000,000 1,440,000,000 2,548,000,000 1,246,000,000 1,373,000,000    872,000,000 961,000,000 1,537,000,000 
          cash flows from investing activities
                                                    
          capital expenditures
        -4,088,000,000 -4,143,000,000 -3,453,000,000 -3,280,000,000 -3,148,000,000 -3,089,000,000 -2,987,000,000 -2,996,000,000 -3,208,000,000 -3,045,000,000 -3,119,000,000 -3,146,000,000 -3,031,000,000 -2,566,000,000 -2,551,000,000 -2,453,000,000 -2,421,000,000 -2,215,000,000 -1,232,000,000    -988,000,000 -1,006,000,000 -1,156,000,000 
          free cash flows
        -2,576,000,000 -485,000,000 179,000,000 -417,000,000 -971,000,000 288,000,000 537,000,000 -43,000,000 -734,000,000 479,000,000 -817,000,000 -1,663,000,000 -1,878,000,000 -326,000,000 -756,000,000 901,000,000 -636,000,000 -127,000,000 3,409,000,000 1,803,000,000 1,554,000,000 1,817,000,000 1,239,000,000 2,365,000,000 1,911,000,000 1,391,000,000 2,255,000,000 1,467,000,000 1,289,000,000 2,386,000,000 1,542,000,000 1,664,000,000 2,517,000,000 1,439,000,000 1,440,000,000 2,548,000,000 1,246,000,000 141,000,000    -116,000,000 -45,000,000 381,000,000 
          purchases of debt and equity securities
        -5,025,000,000 -1,792,000,000 -3,650,000,000 -1,480,000,000 -1,966,000,000 -2,323,000,000 -1,105,000,000 -1,329,000,000 -946,000,000 -1,217,000,000 -728,000,000 -866,000,000 -1,435,000,000 -668,000,000 -1,516,000,000 -1,110,000,000 -1,598,000,000 -1,584,000,000                           
          proceeds from sales and maturities of debt and equity securities
        5,037,000,000 1,805,000,000 3,665,000,000 1,484,000,000 2,051,000,000 2,353,000,000 1,131,000,000 1,334,000,000 985,000,000 1,220,000,000 746,000,000 882,000,000 1,466,000,000 695,000,000 1,530,000,000 1,118,000,000 1,616,000,000 1,601,000,000 2,332,000,000 2,408,000,000 1,347,000,000 1,451,000,000 851,000,000 852,000,000 936,000,000 930,000,000                   
          proceeds from the sale of piedmont's tennessee business
        2,501,000,000                                            
          other
        -271,000,000 -321,000,000 -274,000,000 -247,000,000 -237,000,000 -286,000,000 -315,000,000 -242,000,000 -166,000,000 -212,000,000 -217,000,000 -149,000,000 -133,000,000 -239,000,000 -145,000,000 -132,000,000 -53,000,000 -84,000,000        6,000,000       -51,000,000     -32,000,000 35,000,000 19,000,000 11,000,000 8,000,000 5,000,000 -6,000,000 
          net cash from investing activities
        -1,846,000,000 -4,362,000,000 -3,712,000,000 -2,964,000,000 -3,300,000,000 -3,272,000,000 -3,276,000,000 -3,233,000,000 -3,342,000,000 -3,243,000,000 -3,299,000,000 -3,209,000,000 -3,138,000,000 -2,793,000,000 -2,699,000,000 -2,586,000,000 -2,477,000,000 -3,137,000,000                    -1,286,000,000    -1,180,000,000 -918,000,000 -1,017,000,000 
          cash flows from financing activities
                                                    
          proceeds from the:
                                                    
          issuance of long-term debt
        3,268,000,000 2,459,000,000 4,584,000,000 752,000,000 4,096,000,000 1,196,000,000 1,388,000,000 2,891,000,000 3,481,000,000 1,610,000,000 3,009,000,000 4,085,000,000 3,752,000,000 2,208,000,000 3,506,000,000 1,752,000,000 4,019,000,000 608,000,000 2,374,000,000 1,834,000,000 1,954,000,000 1,885,000,000 2,737,000,000 1,383,000,000 1,487,000,000 1,240,000,000 2,976,000,000 1,171,000,000 1,563,000,000 5,133,000,000 2,374,000,000 1,140,000,000 1,206,000,000 77,000,000 497,000,000 129,000,000 1,213,000,000 875,000,000    392,000,000  1,087,000,000 
          issuance of common stock
         2,000,000 7,000,000 7,000,000 379,000,000 6,000,000 16,000,000 4,000,000       5,000,000 18,000,000 17,000,000 40,000,000 14,000,000 13,000,000 14,000,000 799,000,000 21,000,000                   
          payments for the redemption of long-term debt
        -2,577,000,000 -1,026,000,000 -2,811,000,000 -819,000,000 -996,000,000 -524,000,000 -102,000,000 -1,339,000,000 -1,392,000,000 -725,000,000 -992,000,000 -1,380,000,000 -656,000,000 -1,932,000,000 -1,215,000,000 -1,694,000,000 -1,926,000,000 -76,000,000                      -1,056,000,000 -57,000,000 -821,000,000 -18,000,000 -651,000,000 
          proceeds from the issuance of short-term debt with original maturities greater than 90 days
        262,000,000     5,000,000 50,000,000 208,000,000 294,000,000 515,000,000 58,000,000 2,000,000 50,000,000   34,000,000 25,000,000 50,000,000 506,000,000 82,000,000 1,784,000,000 105,000,000 135,000,000 42,000,000 66,000,000 135,000,000 35,000,000 205,000,000 25,000,000 924,000,000   100,000,000 187,000,000          
          payments for the redemption of short-term debt with original maturities greater than 90 days
        -125,000,000 -5,000,000 -71,000,000 -201,000,000 -289,000,000 -535,000,000 -58,000,000 -2,000,000 -50,000,000 -30,000,000 -257,000,000 -38,000,000 -50,000,000 -909,000,000                           
          notes payable and commercial paper
        -428,000,000 -419,000,000 -634,000,000 865,000,000 -1,050,000,000 -346,000,000 372,000,000 -464,000,000 50,000,000 -814,000,000 -373,000,000 -217,000,000 -309,000,000 572,000,000 213,000,000 -1,134,000,000 -747,000,000 2,046,000,000      -452,000,000 384,000,000 706,000,000  -262,000,000 1,045,000,000    519,000,000 -1,715,000,000 1,727,000,000 -83,000,000 126,000,000 898,000,000 627,000,000 -533,000,000 603,000,000 28,000,000 58,000,000 32,000,000 
          contributions from noncontrolling interests
        2,778,000,000       30,000,000 42,000,000 206,000,000 6,000,000 103,000,000 23,000,000 1,238,000,000 15,000,000 303,000,000 239,000,000 60,000,000 103,000,000                        
          dividends paid
        -846,000,000 -845,000,000 -845,000,000 -807,000,000 -803,000,000 -802,000,000 -821,000,000 -784,000,000 -806,000,000 -832,000,000 -791,000,000 -815,000,000 -815,000,000 -775,000,000 -799,000,000 -799,000,000 -758,000,000 -783,000,000                    -553,000,000 -542,000,000 -541,000,000 -335,000,000 -335,000,000 -331,000,000 -322,000,000 
          net cash from financing activities
        2,223,000,000 328,000,000 377,000,000 7,000,000 1,238,000,000 -131,000,000 -284,000,000 245,000,000 1,029,000,000 -274,000,000 940,000,000 1,747,000,000 1,975,000,000 172,000,000 1,404,000,000 -590,000,000 565,000,000 1,185,000,000 -957,000,000 -411,000,000 2,593,000,000 1,189,000,000 1,433,000,000 282,000,000 318,000,000 947,000,000 -235,000,000 -122,000,000 1,596,000,000 5,064,000,000 206,000,000 15,000,000   801,000,000  312,000,000 -57,000,000    -731,000,000 -294,000,000 278,000,000 
          net increase in cash, cash equivalents and restricted cash
        1,889,000,000 -376,000,000 297,000,000 -94,000,000 115,000,000 -26,000,000 -36,000,000 -35,000,000 161,000,000 7,000,000 -57,000,000 21,000,000 -10,000,000 -381,000,000 500,000,000 178,000,000 -127,000,000 136,000,000 -41,000,000 -1,057,000,000 1,125,000,000     74,000,000                   
          cash, cash equivalents and restricted cash at beginning of period
        363,000,000 421,000,000 357,000,000 603,000,000 520,000,000 556,000,000 573,000,000 591,000,000 505,000,000                   
          cash, cash equivalents and restricted cash at end of period
        2,252,000,000 -376,000,000 297,000,000 -94,000,000 536,000,000 -26,000,000 -36,000,000 -35,000,000 518,000,000 7,000,000 -57,000,000 624,000,000 -10,000,000 -381,000,000 1,020,000,000 178,000,000 -127,000,000 692,000,000 -41,000,000 -1,057,000,000 1,698,000,000 -69,000,000 550,000,000 22,000,000 -152,000,000 579,000,000                   
          supplemental disclosures:
                                                    
          significant non-cash transactions:
                                                    
          accrued capital expenditures
        2,313,000,000 584,000,000 161,000,000 29,000,000 1,900,000,000 305,000,000 -117,000,000 106,000,000 1,615,000,000 130,000,000 32,000,000 1,366,000,000 123,000,000 236,000,000 1,028,000,000 8,000,000 69,000,000 921,000,000 47,000,000 11,000,000 934,000,000 106,000,000 811,000,000 38,000,000 179,000,000 799,000,000 151,000,000 14,000,000 575,000,000 -39,000,000 94,000,000 576,000,000 63,000,000 109,000,000 438,000,000 118,000,000 -13,000,000 361,000,000    270,000,000 282,000,000 171,000,000 
          equity in losses of unconsolidated affiliates
                                                    
          losses on sales of commercial renewables disposal groups
           -8,000,000 17,000,000                                      
          impairment of assets and other charges
         -7,000,000   -1,000,000 -5,000,000 43,000,000 1,000,000 257,000,000 1,214,000,000 228,000,000 -4,000,000 -9,000,000 215,000,000 211,000,000                             
          contributions to qualified pension plans
                                                   
          contributions to equity method investments
             -1,000,000 -7,000,000 -8,000,000 -16,000,000 -6,000,000 -5,000,000 -15,000,000 -17,000,000 -9,000,000                             
          return of investment capital
                                                    
          proceeds from the sales of other assets
                                                    
          proceeds from the sales of commercial renewables disposal groups, net of cash divested
                                                    
          redemption of preferred stock
                                                   
          cash paid for interest, net of amount capitalized
                                                    
          cash
                                                    
          net proceeds from the sales of commercial renewables disposal groups
                                                   
          losses (gains) on sales of commercial renewables disposal groups
            4,000,000                                        
          provision for rate refunds
             1,000,000                                       
          cash paid for
                                                    
          net proceeds from the sales of other assets
                19,000,000 35,000,000 76,000,000                    1,000,000     115,000,000 4,000,000       
          benefit from rate refunds
               -3,000,000 -4,000,000 -2,000,000 -24,000,000 -33,000,000 -32,000,000 -34,000,000 -31,000,000 -28,000,000      22,000,000 35,000,000 94,000,000 123,000,000 158,000,000                   
          financial statements
                                                    
          (gains) losses on sales of commercial renewables disposal groups
                -10,000,000                                    
          disbursements to canceled equity method investments
                       -855,000,000                           
          equity in (earnings) losses of unconsolidated affiliates
                     -36,000,000 -25,000,000                              
          refund of amt credit carryforwards
                                                    
          non-cash dividends
                          28,000,000 27,000,000 27,000,000 27,000,000 27,000,000 27,000,000 26,000,000 26,000,000                   
          equity in losses (earnings) of unconsolidated affiliates
                         17,000,000 80,000,000       24,000,000                   
          impairment charges
                          28,000,000 6,000,000 2,000,000   124,000,000 172,000,000 43,000,000 207,000,000   81,000,000 195,000,000 3,000,000 108,000,000 -6,000,000 43,000,000 -540,000,000 6,000,000 1,382,000,000       
          issuance of preferred stock
                             -1,000,000 974,000,000                      
          (gains) losses on sales of other assets
                                                    
          losses on sales of other assets
                              3,000,000                      
          accrued pension and other post-retirement benefit costs
                             2,000,000 2,000,000 15,000,000 16,000,000 15,000,000 6,000,000 7,000,000 6,000,000 4,000,000 4,000,000 4,000,000 17,000,000 18,000,000 18,000,000 27,000,000 27,000,000 27,000,000    28,000,000   
          payment for disposal of other assets
                                                    
          other rate case adjustments
                               37,000,000                   
          net decrease in cash, cash equivalents and restricted cash
                                                    
          losses (gains) on sales of other assets
                               -10,000,000 -3,000,000 100,000,000                   
          cost of removal, net of salvage
                                                    
          purchases of available-for-sale securities
                                             -967,000,000 -1,255,000,000 -919,000,000 -292,000,000 -948,000,000 -710,000,000 -510,000,000 
          proceeds from sales and maturities of available-for-sale securities
                                  760,000,000 1,034,000,000 1,405,000,000 1,048,000,000 1,697,000,000 1,362,000,000 837,000,000 1,131,000,000 1,069,000,000 652,000,000 789,000,000 1,004,000,000 1,179,000,000 792,000,000 334,000,000 821,000,000 675,000,000 544,000,000 
          change in restricted cash
                                             -27,000,000 -34,000,000 24,000,000 -16,000,000 -35,000,000 14,000,000 8,000,000 
          issuance of common stock related to employee benefit plans
                                     7,000,000 1,000,000 15,000,000 1,000,000 4,000,000 19,000,000    8,000,000 6,000,000 103,000,000 
          changes in cash and cash equivalents associated with assets held for sale
                                                    
          net increase in cash and cash equivalents
                                    486,000,000      785,000,000 -77,000,000 477,000,000 30,000,000       
          cash and cash equivalents at beginning of period
                                  392,000,000 857,000,000 2,036,000,000 1,501,000,000 1,424,000,000 2,110,000,000 1,670,000,000 
          cash and cash equivalents at end of period
                                  -16,000,000 -580,000,000 878,000,000 5,503,000,000 -102,000,000 778,000,000 410,000,000 -1,861,000,000 2,821,000,000 -77,000,000 477,000,000 1,531,000,000 1,296,000,000 235,000,000 455,000,000 1,071,000,000 1,419,000,000 798,000,000 
          net decrease in cash and cash equivalents
                                                 -1,039,000,000 -251,000,000  
          change in bank overdrafts
                                    5,000,000                
          investment expenditures
                                             -36,000,000    -13,000,000 -3,000,000 99,000,000 
          acquisitions
                                              -32,000,000 6,000,000 -42,000,000 -2,000,000  
          net proceeds from the sale of the midwest generation disposal group
                                                    
          net proceeds from the sales of equity investments and other assets
                                     4,000,000    2,831,000,000 1,000,000          
          distributions to noncontrolling interests
                                                 -1,000,000 -10,000,000 
          repurchase of common shares
                                                    
          net proceeds from the sale of the disposal group
                                                    
          net proceeds from the sale of midwest generation business and sales of equity investments and other assets
                                                    
          community support and charitable contributions expense
                                                    
          payments for the:
                                                    
          redemption of long-term debt
                                             -1,287,000,000       
          redemption of preferred stock of a subsidiary
                                                    
          dividends declared but not paid
                                                    
          severance expense
                                                   -21,000,000 
          ferc mitigation costs
                                                    
          impairment of other long-lived assets
                                                 407,000,000   
          voluntary opportunity cost deferral
                                                 -101,000,000   
          cash acquired from the merger with progress energy
                                                    
          net proceeds from the sales of other assets, and sales of and collections on notes receivable
                                              20,000,000 6,000,000 6,000,000 17,000,000 103,000,000 3,000,000 
          merger with progress energy
                                                    
          fair value of assets acquired
                                                    
          fair value of liabilities assumed
                                                    
          extinguishment of debt related to investment in attiki gas supply, s. a.
                                                    
          adjustments to reconcile net income to net cash from operating activities
                                                    
          depreciation and amortization
                                                 544,000,000 504,000,000 502,000,000 
          extinguishment of debt related to investment in attiki gas supply, s.a.
                                                 66,000,000   
          impairment of goodwill and other long-lived assets
                                                   45,000,000 
          purchases of emission allowances
                                                  -4,000,000 -2,000,000 
          sales of emission allowances
                                                  10,000,000 3,000,000 
          supplemental disclosures
                                                    
          debt associated with the consolidation of variable interest entities
                                                    
          debt associated with the consolidation of cinergy receivables
                                                    
          acquisitions, net of cash acquired