| Fiscal period | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 |
|---|
| Period End Date | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 | 12/31/2013 | 12/31/2012 |
|---|
| Operating revenue | 13,964.00 | 14,172.00 | 14,401.00 | 11,199.00 | 12,586.00 | 11,737.00 | 11,683.00 | 12,436.00 | 13,120.00 | 12,835.00 |
| Total Revenues | 13,964.00 | 14,172.00 | 14,401.00 | 11,199.00 | 12,586.00 | 11,737.00 | 11,683.00 | 12,436.00 | 13,120.00 | 12,835.00 |
| Purchased gas | 1,083.00 | 889.00 | 1,560.00 | 604.00 | 701.00 | 459.00 | 551.00 | 1,355.00 | 1,331.00 | 1,177.00 |
| Electric fuel and energy purchases | 2,368.00 | 2,243.00 | 2,885.00 | 2,687.00 | 2,301.00 | 2,333.00 | 2,725.00 | 3,400.00 | 3,885.00 | 3,645.00 |
| Purchased electric capacity | 70.00 | 53.00 | 88.00 | 122.00 | 6.00 | 99.00 | 330.00 | 361.00 | 358.00 | 387.00 |
| Other operations and maintenance | 3,734.00 | 3,685.00 | 3,790.00 | 2,786.00 | 3,200.00 | 3,279.00 | 2,595.00 | 2,765.00 | 2,459.00 | 3,091.00 |
| Depreciation, depletion and amortization | 2,478.00 | 2,332.00 | 2,283.00 | 1,660.00 | 1,905.00 | 1,559.00 | 1,395.00 | 1,292.00 | 1,208.00 | 1,127.00 |
| Restructuring and other acquisition | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other taxes | (909.00) | (871.00) | (883.00) | (580.00) | (668.00) | (596.00) | (551.00) | (542.00) | (563.00) | (550.00) |
| Other energy-related commodity purchases | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Liquids, pipeline capacity and other purchases | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on sale of U.S. non-Appalachian E&P business | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on sale of Appalachian E&P operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gains / loss on sales of assets | (108.00) | 61.00 | 152.00 | 265.00 | 147.00 | 40.00 | -- | -- | -- | -- |
| Impairment of assets and related charges | (195.00) | (2,105.00) | (1,520.00) | (12.00) | (15.00) | (4.00) | -- | -- | -- | -- |
| Total Operating Expenses | 10,945.00 | 12,117.00 | 12,857.00 | 8,186.00 | 8,649.00 | 8,289.00 | 8,147.00 | 9,715.00 | 9,804.00 | 9,977.00 |
| Operating income (loss) | 3,019.00 | 2,055.00 | 1,544.00 | 3,013.00 | 3,937.00 | 3,448.00 | 3,536.00 | 2,721.00 | 3,316.00 | 2,858.00 |
| Interest expense | -- | -- | -- | -- | -- | -- | -- | 1,193.00 | -- | -- |
| Interest expense - junior subordinated notes payable | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest and related charges | 1,354.00 | 1,377.00 | 1,486.00 | 1,279.00 | 1,205.00 | 1,010.00 | 904.00 | -- | 877.00 | 816.00 |
| Distributions - mandatorily redeemable trust preferred securities | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Subsidiary preferred dividends | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings (loss) from equity method investees | 276.00 | 40.00 | 8.00 | -- | -- | -- | -- | -- | -- | -- |
| Other income (loss) | 1,157.00 | 693.00 | 803.00 | 885.00 | 358.00 | 429.00 | 196.00 | 250.00 | 265.00 | 223.00 |
| Income from continuing operations before income tax expense | 3,098.00 | 1,411.00 | 869.00 | 2,619.00 | 3,090.00 | 2,867.00 | 2,828.00 | 1,778.00 | 2,704.00 | 2,265.00 |
| Current- Federal | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Deferred: Federal | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Current: State | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Deferred: State | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income tax expense (benefit) | 425.00 | 83.00 | 209.00 | 522.00 | (30.00) | 655.00 | 905.00 | 452.00 | 892.00 | 811.00 |
| Deferred: Non-U.S | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Amortization of deferred investment tax credits-net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Current: Non-U.S | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Minority Interest | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income from continuing operations before cumulative effect of changes in accounting principles | 2,673.00 | 1,328.00 | 660.00 | 2,097.00 | -- | -- | -- | -- | 1,812.00 | 1,454.00 |
| Discontinued operations - Income (loss) from discontinued operations | 641.00 | (1,878.00) | 716.00 | 452.00 | -- | -- | -- | -- | (92.00) | (1,125.00) |
| Extraordinary item | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of changes in accounting principles | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Consolidated Net Income (Loss) | 3,314.00 | (550.00) | 1,376.00 | 2,549.00 | 3,120.00 | 2,212.00 | 1,923.00 | 1,326.00 | 1,720.00 | 329.00 |
| Noncontrolling Interests | 26.00 | (149.00) | 18.00 | 102.00 | 121.00 | 89.00 | 24.00 | 16.00 | 23.00 | 27.00 |
| Net income | 3,288.00 | (401.00) | 1,358.00 | 2,447.00 | 2,999.00 | 2,123.00 | 1,899.00 | 1,310.00 | 1,697.00 | 302.00 |
| Earnings Per Common Share-Basic: Income from continuing operations before cumulative effect of changes in accounting pr | 3.19 | 1.83 | 0.79 | 3.19 | -- | -- | -- | -- | 3.09 | 2.49 |
| Earnings Per Common Share-Basic: Income (loss) from discontinued operations | 0.79 | (2.39) | 0.87 | 0.55 | -- | -- | -- | -- | (0.16) | (1.96) |
| Earnings Per Common Share-Basic: Cumulative effect of changes in accounting principles | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Common Share-Basic: Extraordinary item | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Common Share-Basic: Net income | 3.98 | (0.56) | 1.66 | 3.74 | 4.72 | 3.44 | 3.21 | 2.25 | 2.93 | 0.53 |
| Earnings Per Common Share-Diluted: Income from continuing operations before cumulative effect of changes in accounting | 3.19 | 1.82 | 0.75 | 3.19 | -- | -- | -- | -- | 3.09 | 2.49 |
| Earnings Per Common Share-Diluted: Income (loss) from discontinued operations | 0.79 | (2.39) | 0.87 | 0.55 | -- | -- | -- | -- | (0.16) | (1.96) |
| Earnings Per Common Share-Diluted: Cumulative effect of changes in accounting principles | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Common Share-Diluted: Extraordinary item | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Common Share - Diluted Net income | 3.98 | (0.57) | 1.62 | 3.74 | 4.72 | 3.44 | 3.20 | 2.24 | 2.93 | 0.53 |
| Weighted Average Shares Outstanding (Basic) | 807.80 | 831.00 | 808.80 | 654.20 | 636.00 | 616.40 | 592.40 | 582.70 | 578.70 | 572.90 |
| Weighted Average Shares Outstanding (Diluted) | 808.50 | 831.00 | 808.90 | 654.90 | 636.00 | 617.10 | 593.70 | 584.50 | 579.50 | 573.90 |