v3.20.1

Debt (Tables) | 12 Months Ended
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Dec. 31, 2019
Debt Disclosure [Abstract] |
Consolidated Debt | Debt Long-term debt at December 31, 2018 and 2019 was as follows (in thousands):
|  | December 31,
|  | 2018 |  | 2019
6.55% Notes due 2019(1) |  | $ | 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 |
4.85% Notes due 2049 |  | — |  |  | 500,000 |
3.95% Notes due 2050 |  | — |  |  | 500,000 |
Face value of long-term debt |  | 4,300,000 |  |  | 4,750,000 |
Unamortized debt issuance costs(2) |  | (27,070 | ) |  | (35,263 | )
Net unamortized debt discount(2) |  | (2,927 | ) |  | (8,662 | )
Net unamortized amount of gains from historical fair value hedges(2) |  | 866 |  |  | — |
Long-term debt, net, including current portion |  | 4,270,869 |  |  | 4,706,075 |
Less: current portion of long-term debt, net(1) |  | 59,489 |  |  | — |
Long-term debt, net |  | $ | 4,211,380 |  |  | $ | 4,706,075 |
(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 intended to be repaid with cash available as of December 31, 2018 was classified as current in our consolidated balance sheets.
(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.

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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