| Net Income | 745 | 690 | 703 | 686 | 659 | 614 | |
| Depreciation & Amortization | 794 | 772 | 676 | 671 | 657 | 615 | |
| Change in Accounts Receivable | -559 | -547 | -414 | -672 | -530 | -468 | |
| Change in Inventory | 12 | - | - | - | -13 | - | |
| Change in Accounts Payable | 39 | 96 | -122 | 78 | 37 | -3 | |
| Change in Other Net Operating Assets | -70 | -24 | -35 | -277 | -375 | -370 | |
| Other Operating Activities | -111 | -79 | -25 | -4 | -46 | -58 | |
| Operating Cash Flow | 1,109 | 1,167 | 867 | 486 | 582 | 501 | |
| Operating Cash Flow Growth | 12.47% | 34.60% | 78.40% | -16.50% | 16.17% | -24.09% | |
| Capital Expenditures | -2,321 | -2,249 | -1,854 | -1,484 | -1,169 | -1,366 | |
| Divestitures | 123 | 123 | 120 | - | - | - | |
| Other Investing Activities | 600 | 579 | 333 | 551 | 441 | 415 | |
| Investing Cash Flow | -1,598 | -1,547 | -1,401 | -933 | -728 | -951 | |
| Short-Term Debt Issued | - | 83 | - | 127 | 126 | 52 | |
| Long-Term Debt Issued | - | 1,613 | 1,455 | 1,338 | 600 | 1,250 | |
| Total Debt Issued | 1,319 | 1,696 | 1,455 | 1,465 | 726 | 1,302 | |
| Short-Term Debt Repaid | - | - | -167 | - | - | - | |
| Long-Term Debt Repaid | - | -809 | -508 | -633 | -8 | -657 | |
| Total Debt Repaid | -368 | -809 | -675 | -633 | -8 | -657 | |
| Net Debt Issued (Repaid) | 951 | 887 | 780 | 832 | 718 | 645 | |
| Issuance of Common Stock | 23 | 23 | 246 | 25 | 28 | 247 | |
| Common Dividends Paid | -499 | -492 | -456 | -428 | -403 | -377 | |
| Other Financing Activities | 4 | -20 | 3 | 2 | -13 | -27 | |
| Financing Cash Flow | 479 | 398 | 573 | 431 | 130 | 488 | |
| Net Cash Flow | -10 | 18 | 39 | -16 | -16 | 38 | |
| Free Cash Flow | -1,212 | -1,082 | -987 | -998 | -587 | -865 | |
| Free Cash Flow Margin | -29.72% | -27.18% | -24.51% | -23.73% | -16.00% | -25.32% | |
| Free Cash Flow Per Share | -4.72 | -4.21 | -3.90 | -3.97 | -2.34 | -3.48 | |
| Cash Interest Paid | 476 | 434 | 378 | 311 | 272 | 274 | |
| Cash Income Tax Paid | - | -197 | -88 | 6 | 3 | -5 | |
| Levered Free Cash Flow | -1,070 | -1,091 | -1,106 | -238 | -381.25 | -598.63 | |
| Unlevered Free Cash Flow | -781.88 | -810.75 | -859.88 | -34.88 | -198.75 | -420.5 | |
| Change in Net Working Capital | -130 | -73 | 267 | -202 | 192 | 133 | |