| Schedule of Debt |
| | | | | | | | | | ($ in millions) | | 2013 | | 2012 | Issue: | | | | | 5.65% Senior Notes Due 2020(1) | | $ | 400 |
| | $ | 400 |
| 5.75% Senior Notes Due 2018(1) | | 300 |
| | 300 |
| 6.375% Senior Notes Due 2036(1) | | 400 |
| | 400 |
| 6.875% Medium-Term Notes Due 2015 | | 200 |
| | 200 |
| 6.9% Notes Due 2026 | | 2 |
| | 2 |
| 7.125% Debentures Due 2023 | | 10 |
| | 255 |
| 7.4% Debentures Due 2037 | | 326 |
| | 326 |
| 7.625% Notes Due 2097 | | 500 |
| | 500 |
| 7.65% Debentures Due 2016 | | 200 |
| | 200 |
| 7.95% Debentures Due 2017 | | 285 |
| | 285 |
| Term Loan | | 2,239 |
| | — |
| Total notes and debentures | | 4,862 |
| | 2,868 |
| Less: current maturities | | 23 |
| | — |
| Total long-term debt | | $ | 4,839 |
| | $ | 2,868 |
| Weighted-average interest rate at year end | | 6.5 | % | | 6.9 | % | Weighted-average maturity | | 15 years |
| | |
| | (1) | These debt issuances contain a change of control provision that would obligate us, at the holders’ option, to repurchase the debt at a price of 101%. These provisions trigger if there were a beneficial ownership change of 50% or more of our common stock. |
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