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Debt | 12 Months Ended
--- | ---
Dec. 31, 2017
Debt Disclosure [Abstract] |
Debt | Debt Long-term debt consists of the following:
|  |  | December 31,
|  |  | 2017 |  | 2016
| Maturity Date |  | Balance |  | Weighted- Average Interest Rate |  | Balance |  | Weighted- Average Interest Rate
|  |  | (millions) |  |  |  | (millions) |  |
FPL: |  |  |  |  |  |  |  |  |
First mortgage bonds - fixed | 2017 - 2047 |  | $ | 9,145 |  |  | 4.70 | % |  | $ | 8,690 |  |  | 4.78 | %
Storm-recovery bonds - fixed(a) | 2021 |  | 144 |  |  | 5.26 | % |  | 210 |  |  | 5.26 | %
Pollution control, solid waste disposal and industrial development revenue bonds - primarily variable(b) | 2020 - 2047 |  | 966 |  |  | 2.12 | % |  | 778 |  |  | 0.77 | %
Other long-term debt - variable(c) | 2018 - 2021 |  | 1,501 |  |  | 2.01 | % |  | 450 |  |  | 1.66 | %
Other long-term debt - fixed | 2017 - 2040 |  | 51 |  |  | 5.10 | % |  | 52 |  |  | 5.09 | %
Unamortized debt issuance costs and discount |  |  | (105 | ) |  |  |  | (108 | ) |  |
Total long-term debt of FPL |  |  | 11,702 |  |  |  |  | 10,072 |  |  |
Less current maturities of long-term debt |  |  | 466 |  |  |  |  | 367 |  |  |
Long-term debt of FPL, excluding current maturities |  |  | 11,236 |  |  |  |  | 9,705 |  |  |
NEECH: |  |  |  |  |  |  |  |  |  |
Debentures - fixed(d) | 2017 - 2027 |  | 4,100 |  |  | 3.00 | % |  | 4,100 |  |  | 2.87 | %
Debentures, related to NEE's equity units - fixed | 2020 - 2021 |  | 2,200 |  |  | 1.88 | % |  | 2,200 |  |  | 1.88 | %
Junior subordinated debentures - primarily fixed(d) | 2044 - 2077 |  | 3,456 |  |  | 4.79 | % |  | 3,460 |  |  | 5.40 | %
Japanese yen denominated senior notes - fixed(d) | 2030 |  | 89 |  |  | 5.13 | % |  | 85 |  |  | 5.13 | %
Japanese yen denominated term loans - variable(c)(d) | 2017 - 2020 |  | 532 |  |  | 2.76 | % |  | 470 |  |  | 1.83 | %
Other long-term debt - fixed | 2017 - 2044 |  | 920 |  |  | 2.46 | % |  | 924 |  |  | 2.45 | %
Other long-term debt - variable(c) | 2019 |  | 52 |  |  | 2.58 | % |  | 60 |  | (e) | 1.77 | %
Fair value hedge adjustment |  |  | 1 |  |  |  |  | 8 |  |  |
Unamortized debt issuance costs and discount |  |  | (94 | ) |  |  |  | (101 | ) |  |
Total long-term debt of NEECH |  |  | 11,256 |  |  |  |  | 11,206 |  |  |
Less current maturities of long-term debt |  |  | 645 |  |  |  |  | 1,724 |  |  |
Long-term debt of NEECH, excluding current maturities |  |  | 10,611 |  |  |  |  | 9,482 |  |  |
NEER: |  |  |  |  |  |  |  |  |  |
Senior secured limited-recourse bonds and notes - fixed (f) | 2019 - 2038 |  | 2,114 |  |  | 5.74 | % |  | 2,091 |  |  | 6.00 | %
Senior secured limited-recourse term loans - primarily variable(c)(d) | 2019 - 2037 |  | 5,165 |  |  | 3.32 | % |  | 4,959 |  |  | 2.78 | %
Senior unsecured notes - fixed(d) | 2024 - 2027 |  | 1,100 |  |  | 4.38 | % |  | — |  |  |
Senior unsecured NEP convertible notes - fixed(g) | 2020 |  | 300 |  |  | 1.50 | % |  | — |  |  |
Other long-term debt - primarily variable(c)(d) | 2017 - 2040 |  | 1,683 |  |  | 3.29 | % |  | 2,262 |  |  | 2.97 | %
Unamortized debt issuance costs and premium - net |  |  | (181 | ) |  |  |  | (168 | ) |  |
Total long-term debt of NEER |  |  | 10,181 |  |  |  |  | 9,144 |  |  |
Less current maturities of long-term debt |  |  | 565 |  |  |  |  | 513 |  |  |
Long-term debt of NEER, excluding current maturities |  |  | 9,616 |  |  |  |  | 8,631 |  |  |
Total long-term debt |  |  | $ | 31,463 |  |  |  |  | $ | 27,818 |  |  |
______________________
(a) | Principal on the storm-recovery bonds is due on the final maturity date (the date by which the principal must be repaid to prevent a default) for each tranche, however, it is being paid semiannually and sequentially.
(b) | Includes approximately $838 million of variable rate tax exempt bonds that permit individual bond holders to tender the bonds for purchase at any time prior to maturity. In the event these variable rate tax exempt bonds are tendered for purchase, they would be remarketed by a designated remarketing agent in accordance with the related indenture. If the remarketing is unsuccessful, FPL would be required to purchase the variable rate tax exempt bonds. At December 31, 2017, all variable rate tax exempt bonds tendered for purchase have been successfully remarketed. FPL's bank revolving line of credit facilities are available to support the purchase of the variable rate tax exempt bonds. Variable interest rate is established at various intervals by the remarketing agent.
(c) | Variable rate is based on an underlying index plus a margin.
(d) | Interest rate contracts, primarily swaps, have been entered into with respect to certain of these debt issuances. Additionally, foreign currency contracts have been entered into with respect to the Japanese yen denominated debt. See Note 3.
(e) | Excludes debt totaling $373 million reflected in liabilities associated with assets held for sale on NEE's consolidated balance sheets. See Note 1 - Assets and Liabilities Associated with Assets Held for Sale.
(f) | Includes approximately $483 million in 2017 and $490 million in 2016 of debt held by a wholly owned subsidiary of NEER and collateralized by a third-party note receivable held by that subsidiary. See Note 8 - NEER.
(g) | A holder may convert all or a portion of its notes into NEP common units and cash in lieu of any fractional common unit at the conversion rate. At December 31, 2017, the conversion rate, subject to certain adjustments, is 18.9170 NEP common units per $1,000 principal amount of the convertible notes.
Minimum annual maturities of long-term debt for NEE are approximately $1,676 million, $2,206 million, $3,131 million, $2,697 million and $1,137 million for 2018, 2019, 2020, 2021 and 2022, respectively. The respective amounts for FPL are approximately $466 million, $471 million, $782 million, $70 million and $122 million. At December 31, 2017 and 2016, short-term borrowings had a weighted-average interest rate of 1.68% (1.68% for FPL) and 1.07% (1.07% for FPL), respectively. Subsidiaries of NEE, including FPL, had credit facilities with available capacity at December 31, 2017 of approximately $9.9 billion ($3.1 billion for FPL), of which approximately $9.8 billion ($3.1 billion for FPL) relate to revolving line of credit facilities and $0.08 billion (none for FPL) relate to letter of credit facilities. Certain of the revolving line of credit facilities provide for the issuance of letters of credit of up to approximately $3.0 billion ($0.7 billion for FPL). The issuance of letters of credit under certain revolving line of credit facilities is subject to the aggregate commitment of the relevant banks to issue letters of credit under the applicable facility. NEE has guaranteed certain payment obligations of NEECH, including most of those under NEECH's debt, including all of its debentures and commercial paper issuances, as well as most of its payment guarantees and indemnifications. NEECH has guaranteed certain debt and other obligations of NEER and its subsidiaries. In September 2015, NEE sold $700 million of equity units (initially consisting of Corporate Units). Each equity unit has a stated amount of $50 and consists of a contract to purchase NEE common stock (stock purchase contract) and, initially, a 5% undivided beneficial ownership interest in a Series H Debenture due September 1, 2020 issued in the principal amount of $1,000 by NEECH. Each stock purchase contract requires the holder to purchase by no later than September 1, 2018 (the final settlement date) for a price of $50 in cash, a number of shares of NEE common stock (subject to antidilution adjustments) based on a price per share range of $95.35 to $114.42. If purchased on the final settlement date, as of December 31, 2017, the number of shares issued would (subject to antidilution adjustments) range from 0.5293 shares if the applicable market value of a share of common stock is less than or equal to $95.35 to 0.4412 shares if the applicable market value of a share is equal to or greater than $114.42, with applicable market value to be determined using the average closing prices of NEE common stock over a 20-day trading period ending August 29, 2018. Total annual distributions on the equity units are at the rate of 6.371%, consisting of interest on the debentures (2.36% per year) and payments under the stock purchase contracts (4.011% per year). The interest rate on the debentures is expected to be reset on or after March 1, 2018. A holder of an equity unit may satisfy its purchase obligation with proceeds raised from remarketing the NEECH debentures that are part of its equity unit. The undivided beneficial ownership interest in the NEECH debenture that is a component of each Corporate Unit is pledged to NEE to secure the holder's obligation to purchase NEE common stock under the related stock purchase contract. If a successful remarketing does not occur on or before the third business day prior to the final settlement date, and a holder has not notified NEE of its intention to settle the stock purchase contract with cash, the debentures that are components of the Corporate Units will be used to satisfy in full the holders' obligations to purchase NEE common stock under the related stock purchase contracts on the final settlement date. The debentures are fully and unconditionally guaranteed by NEE. In August 2016, NEE sold $1.5 billion of equity units (initially consisting of Corporate Units). Each equity unit has a stated amount of $50 and consists of a contract to purchase NEE common stock (stock purchase contract) and, initially, a 5% undivided beneficial ownership interest in a Series I Debenture due September 1, 2021 issued in the principal amount of $1,000 by NEECH. Each stock purchase contract requires the holder to purchase by no later than September 1, 2019 (the final settlement date) for a price of $50 in cash, a number of shares of NEE common stock (subject to antidilution adjustments) based on a price per share range of $127.63 to $159.54. If purchased on the final settlement date, as of December 31, 2017, the number of shares issued would (subject to antidilution adjustments) range from 0.3931 shares if the applicable market value of a share of common stock is less than or equal to $127.63 to 0.3144 shares if the applicable market value of a share is equal to or greater than $159.54, with applicable market value to be determined using the average closing prices of NEE common stock over a 20-day trading period ending August 28, 2019. Total annual distributions on the equity units are at the rate of 6.123%, consisting of interest on the debentures (1.65% per year) and payments under the stock purchase contracts (4.473% per year). The interest rate on the debentures is expected to be reset on or after March 1, 2019. A holder of an equity unit may satisfy its purchase obligation with proceeds raised from remarketing the NEECH debentures that are part of its equity unit. The undivided beneficial ownership interest in the NEECH debenture that is a component of each Corporate Unit is pledged to NEE to secure the holder's obligation to purchase NEE common stock under the related stock purchase contract. If a successful remarketing does not occur on or before the third business day prior to the final settlement date, and a holder has not notified NEE of its intention to settle the stock purchase contract with cash, the debentures that are components of the Corporate Units will be used to satisfy in full the holders' obligations to purchase NEE common stock under the related stock purchase contracts on the final settlement date. The debentures are fully and unconditionally guaranteed by NEE. Prior to the issuance of NEE’s common stock, the stock purchase contracts, if dilutive, will be reflected in NEE’s diluted earnings per share calculations using the treasury stock method. Under this method, the number of shares of NEE common stock used in calculating diluted earnings per share is deemed to be increased by the excess, if any, of the number of shares that would be issued upon settlement of the stock purchase contracts over the number of shares that could be purchased by NEE in the market, at the average market price during the period, using the proceeds receivable upon settlement.

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