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Debt And Related Expenses (Tables) | 6 Months Ended
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Jun. 30, 2019
Debt Disclosure [Abstract] |
Schedule Of Debt Instruments and Balances | A summary of debt is as follows:
|  | June 30, 2019 |  |  | December 31, 2018 |
6.30% due January 15, 2019 |  | $ | — |  |  | $ | 162 |
5.85% due December 15, 2025 |  |  | 485 |  |  |  | 485 |
7.50% due September 15, 2027 |  |  | 73 |  |  |  | 73 |
7.875% due September 30, 2031 (1) |  |  | 675 |  |  |  | 675 |
7.95% due April 15, 2032 (1) |  |  | 366 |  |  |  | 366 |
5.60% due July 15, 2041 |  |  | 1,250 |  |  |  | 1,250 |
4.75% due May 15, 2042 |  |  | 750 |  |  |  | 750 |
5.00% due June 15, 2045 |  |  | 750 |  |  |  | 750 |
Net discount on debentures and notes |  |  | (20 | ) |  |  | (21 | )
Debt issuance costs |  |  | (35 | ) |  |  | (36 | )
Total debt |  |  | 4,294 |  |  |  | 4,454 |
Less amount classified as short-term debt |  |  | — |  |  |  | 162 |
Total long-term debt |  | $ | 4,294 |  |  | $ | 4,292 |
| (1) | These senior notes were included in the 2018 tender offer repurchases discussed below.
Schedule Of Net Financing Cost Components | The following schedule includes the components of net financing costs.
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Interest based on debt outstanding |  | $ | 65 |  |  | $ | 68 |  |  | $ | 130 |  |  | $ | 151 |
Early retirement of debt |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 312 |
Other |  |  | 1 |  |  |  | (4 | ) |  |  | (4 | ) |  |  | (10 | )
Total net financing costs |  | $ | 66 |  |  | $ | 64 |  |  | $ | 126 |  |  | $ | 453 |

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