| Consolidated Debt |
Debt Long-term debt at December 31, 2017 and 2018 was as follows (in thousands): | | | | | | | | | | | | December 31, | | | 2017 | | 2018 | 6.40% Notes due 2018 | | $ | 250,000 |
| | $ | — |
| 6.55% Notes due 2019(1) | | 550,000 |
| | 550,000 |
| 4.25% Notes due 2021 | | 550,000 |
| | 550,000 |
| 3.20% Notes due 2025 | | 250,000 |
| | 250,000 |
| 5.00% Notes due 2026 | | 650,000 |
| | 650,000 |
| 6.40% Notes due 2037 | | 250,000 |
| | 250,000 |
| 4.20% Notes due 2042 | | 250,000 |
| | 250,000 |
| 5.15% Notes due 2043 | | 550,000 |
| | 550,000 |
| 4.20% Notes due 2045 | | 250,000 |
| | 250,000 |
| 4.25% Notes due 2046 | | 500,000 |
| | 500,000 |
| 4.20% Notes due 2047 | | 500,000 |
| | 500,000 |
| Face value of long-term debt | | 4,550,000 |
| | 4,300,000 |
| Unamortized debt issuance costs(2) | | (29,472 | ) | | (27,070 | ) | Net unamortized debt premium (discount)(2) | | 215 |
| | (2,927 | ) | Net unamortized amount of gains from historical fair value hedges(2) | | 3,749 |
| | 866 |
| Long-term debt, net, including current portion | | 4,524,492 |
| | 4,270,869 |
| Less: current portion of long-term debt, net(1) | | 250,974 |
| | 59,489 |
| Long-term debt, net | | $ | 4,273,518 |
| | $ | 4,211,380 |
| | | | | |
| | (1) | At December 31, 2018, we had the ability and the intent to refinance approximately $490.0 million of our long-term notes maturing in 2019. As a result, only the portion of our debt that will be repaid with cash available as of December 31, 2018 is classified as current in our consolidated balance sheets. See Note 19 – Subsequent Events for details regarding proceeds received from our debt issuance in January 2019. |
| | (2) | Debt issuance costs, note discounts and premiums and realized gains and losses of historical fair value hedges are being amortized or accreted to the applicable notes over the respective lives of those notes. |
|