| Net Income | 1,071 | 1,051 | 944 | 820 | 1,263 | 709 | |
| Depreciation & Amortization | 816 | 788 | 704 | 649 | 636 | 604 | |
| Loss (Gain) on Sale of Assets | - | - | - | -19 | -747 | - | |
| Change in Accounts Receivable | -80 | -107 | -56 | -114 | -74 | -97 | |
| Change in Accounts Payable | 41 | 111 | 70 | -8 | 66 | -2 | |
| Change in Income Taxes | 144 | 153 | 49 | -228 | 150 | - | |
| Change in Other Net Operating Assets | -202 | -169 | -36 | -56 | -56 | 5 | |
| Other Operating Activities | 168 | 187 | 175 | 40 | 166 | 173 | |
| Operating Cash Flow | 1,994 | 2,045 | 1,874 | 1,108 | 1,441 | 1,426 | |
| Operating Cash Flow Growth | 1.17% | 9.13% | 69.13% | -23.11% | 1.05% | 3.11% | |
| Capital Expenditures | -2,795 | -2,856 | -2,575 | -2,297 | -1,764 | -1,822 | |
| Sale of Property, Plant & Equipment | - | - | - | 608 | 472 | 2 | |
| Cash Acquisitions | -334 | -417 | -81 | -315 | -135 | -135 | |
| Investment in Securities | 58 | 46 | - | - | - | - | |
| Contributions to Nuclear Demissioning Trust | -143 | -152 | -159 | -123 | -109 | -106 | |
| Investing Cash Flow | -3,214 | -3,379 | -2,815 | -2,127 | -1,536 | -2,061 | |
| Short-Term Debt Issued | - | 700 | - | 591 | - | 500 | |
| Long-Term Debt Issued | - | 1,437 | 1,264 | 822 | 1,118 | 1,334 | |
| Total Debt Issued | 1,676 | 2,137 | 1,264 | 1,413 | 1,118 | 1,834 | |
| Short-Term Debt Repaid | - | - | -996 | - | -698 | -5 | |
| Long-Term Debt Repaid | - | -475 | -282 | -15 | -372 | -342 | |
| Total Debt Repaid | -378 | -475 | -1,278 | -15 | -1,070 | -347 | |
| Net Debt Issued (Repaid) | 1,298 | 1,662 | -14 | 1,398 | 48 | 1,487 | |
| Issuance of Common Stock | - | - | 1,688 | - | - | - | |
| Common Dividends Paid | -596 | -585 | -532 | -467 | -428 | -389 | |
| Other Financing Activities | 49 | 33 | 46 | 69 | 35 | 22 | |
| Financing Cash Flow | 751 | 1,110 | 1,188 | 1,000 | -345 | 1,120 | |
| Net Cash Flow | -469 | -224 | 247 | -19 | -440 | 485 | |
| Free Cash Flow | -801 | -811 | -701 | -1,189 | -323 | -396 | |
| Free Cash Flow Margin | -16.64% | -17.31% | -16.56% | -31.36% | -8.22% | -10.48% | |
| Free Cash Flow Per Share | -4.11 | -4.16 | -3.63 | -6.53 | -1.77 | -2.18 | |
| Cash Interest Paid | 483 | 483 | 445 | 414 | 389 | 382 | |
| Cash Income Tax Paid | - | -5 | - | 335 | 1 | 7 | |
| Levered Free Cash Flow | -1,206 | -1,193 | -930.5 | -868.88 | -409.63 | -726.5 | |
| Unlevered Free Cash Flow | -866.75 | -865.75 | -643 | -598.25 | -157.75 | -478.38 | |
| Change in Net Working Capital | 40 | -75 | -243 | -178 | -157 | 92 | |