| Net Income | 2,082 | 1,772 | 2,563 | 1,031 | -648 | 1,905 | |
| Depreciation & Amortization | 1,447 | 1,373 | 1,324 | 1,283 | 1,403 | 1,469 | |
| Other Amortization | 157 | 125 | 82 | 48 | 31 | - | |
| Loss (Gain) on Sale of Assets | 6 | 6 | 7 | 123 | 2,637 | -123 | |
| Loss (Gain) on Sale of Investments | -176 | -194 | -248 | 202 | -229 | -278 | |
| Change in Income Taxes | -163 | -382 | 65 | -93 | -127 | 124 | |
| Change in Other Net Operating Assets | 80 | -222 | 1,242 | -754 | -972 | 170 | |
| Other Operating Activities | -489 | -345 | -1,229 | -337 | -359 | -165 | |
| Operating Cash Flow | 2,944 | 2,133 | 3,806 | 1,503 | 1,736 | 3,102 | |
| Operating Cash Flow Growth | 18.90% | -43.96% | 153.23% | -13.42% | -44.04% | -8.20% | |
| Capital Expenditures | -3,121 | -3,380 | -3,325 | -2,888 | -2,719 | -2,923 | |
| Sale of Property, Plant & Equipment | - | - | 37 | 1,918 | 569 | 301 | |
| Investment in Securities | - | - | 291 | -124 | -111 | - | |
| Contributions to Nuclear Demissioning Trust | -1,330 | -1,563 | -1,751 | -1,611 | -2,092 | -2,250 | |
| Other Investing Activities | 1,448 | 1,637 | 1,790 | 1,604 | 2,109 | 2,196 | |
| Investing Cash Flow | -3,003 | -3,306 | -2,958 | -1,101 | -2,244 | -2,676 | |
| Short-Term Debt Issued | - | 1,144 | 1,000 | 2,000 | 2,756 | 800 | |
| Long-Term Debt Issued | - | 3,350 | 2,800 | 2,850 | 2,825 | 2,450 | |
| Total Debt Issued | 4,646 | 4,494 | 3,800 | 4,850 | 5,581 | 3,250 | |
| Short-Term Debt Repaid | - | -500 | -2,250 | -3,319 | -300 | -852 | |
| Long-Term Debt Repaid | - | -1,500 | -1,575 | -700 | -3,082 | -1,365 | |
| Total Debt Repaid | -3,164 | -2,000 | -3,825 | -4,019 | -3,382 | -2,217 | |
| Net Debt Issued (Repaid) | 1,482 | 2,494 | -25 | 831 | 2,199 | 1,033 | |
| Repurchase of Common Stock | - | - | - | -500 | - | - | |
| Common Dividends Paid | -1,242 | -1,196 | -1,137 | -1,079 | -1,031 | -991 | |
| Other Financing Activities | -49 | -70 | -98 | -6 | -369 | -72 | |
| Financing Cash Flow | 191 | 1,228 | -1,260 | -754 | 799 | -30 | |
| Net Cash Flow | 132 | 55 | -412 | -352 | 291 | 396 | |
| Free Cash Flow | -177 | -1,247 | 481 | -1,385 | -983 | 179 | |
| Free Cash Flow Growth | - | - | - | - | - | -15.96% | |
| Free Cash Flow Margin | -1.51% | -12.12% | 4.28% | -14.13% | -10.11% | 1.86% | |
| Free Cash Flow Per Share | -0.35 | -2.49 | 0.96 | -2.76 | -1.95 | 0.35 | |
| Cash Interest Paid | 925 | 799 | 683 | 602 | 547 | 568 | |
| Cash Income Tax Paid | 46 | 68 | 144 | 353 | 425 | 297 | |
| Levered Free Cash Flow | -380.88 | -1,511 | 25.75 | 905.5 | -2,554 | -87.5 | |
| Unlevered Free Cash Flow | 227.88 | -960 | 493.25 | 1,298 | -2,197 | 287.5 | |
| Change in Working Capital | -83 | -604 | 1,307 | -847 | -1,099 | 294 | |