Subsidiary Debt (Tables)
|
12 Months Ended |
Dec. 31, 2018 |
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
Senior Debt
BHE senior debt represents unsecured senior obligations of BHE that are redeemable in whole or in part at any time generally with make-whole premiums. BHE senior debt consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31 (in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | | | | | | | 5.75% Senior Notes, due 2018 | — |
| | — |
| | 650 |
| 2.00% Senior Notes, due 2018 | — |
| | — |
| | 350 |
| 2.40% Senior Notes, due 2020 | 350 |
| | 349 |
| | 349 |
| 2.375% Senior Notes, due 2021 | 450 |
| | 448 |
| | — |
| 2.80% Senior Notes, due 2023 | 400 |
| | 398 |
| | — |
| 3.75% Senior Notes, due 2023 | 500 |
| | 498 |
| | 498 |
| 3.50% Senior Notes, due 2025 | 400 |
| | 398 |
| | 398 |
| 3.250% Senior Notes, due 2028 | 600 |
| | 594 |
| | — |
| 8.48% Senior Notes, due 2028 | 256 |
| | 257 |
| | 302 |
| 6.125% Senior Bonds, due 2036 | 1,670 |
| | 1,661 |
| | 1,660 |
| 5.95% Senior Bonds, due 2037 | 550 |
| | 547 |
| | 547 |
| 6.50% Senior Bonds, due 2037 | 225 |
| | 222 |
| | 222 |
| 5.15% Senior Notes, due 2043 | 750 |
| | 740 |
| | 739 |
| 4.50% Senior Notes, due 2045 | 750 |
| | 738 |
| | 737 |
| 3.80% Senior Notes, due 2048 | 750 |
| | 737 |
| | — |
| 4.45% Senior Notes, due 2049 | 1,000 |
| | 990 |
| | — |
| Total BHE Senior Debt | $ | 8,651 |
| | $ | 8,577 |
| | $ | 6,452 |
| | | | | | | Reflected as: | | | | | | Current liabilities | | | $ | — |
| | $ | 1,000 |
| Noncurrent liabilities | | | 8,577 |
| | 5,452 |
| Total BHE Senior Debt | | | $ | 8,577 |
| | $ | 6,452 |
|
Junior Subordinated Debentures
BHE junior subordinated debentures consists of the following as of December 31 (in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | | | | | | | Junior subordinated debentures, due 2057 | 100 |
| | 100 |
| | 100 |
| Total BHE junior subordinated debentures - noncurrent | $ | 100 |
| | $ | 100 |
| | $ | 100 |
|
Long-term debt of subsidiaries consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31 (in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | | | | | | | PacifiCorp | $ | 7,076 |
| | $ | 7,036 |
| | $ | 7,025 |
| MidAmerican Funding | 5,668 |
| | 5,599 |
| | 5,259 |
| NV Energy | 4,321 |
| | 4,318 |
| | 4,581 |
| Northern Powergrid | 2,621 |
| | 2,626 |
| | 2,805 |
| BHE Pipeline Group | 1,050 |
| | 1,042 |
| | 796 |
| BHE Transmission | 3,856 |
| | 3,842 |
| | 4,334 |
| BHE Renewables | 3,438 |
| | 3,401 |
| | 3,594 |
| HomeServices | 233 |
| | 233 |
| | 247 |
| Total subsidiary debt | $ | 28,263 |
| | $ | 28,097 |
| | $ | 28,641 |
| | | | | | | Reflected as: | | | | | | Current liabilities | | | $ | 2,106 |
| | $ | 2,431 |
| Noncurrent liabilities | | | 25,991 |
| | 26,210 |
| Total subsidiary debt | | | $ | 28,097 |
| | $ | 28,641 |
|
MidAmerican Energy's long-term debt consists of the following, including amounts maturing within one year and unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | | | | | | | First mortgage bonds: | | | | | | 2.40%, due 2019 | $ | 500 |
| | $ | 500 |
| | $ | 499 |
| 3.70%, due 2023 | 250 |
| | 249 |
| | 248 |
| 3.50%, due 2024 | 500 |
| | 500 |
| | 501 |
| 3.10%, due 2027 | 375 |
| | 372 |
| | 372 |
| 4.80%, due 2043 | 350 |
| | 346 |
| | 346 |
| 4.40%, due 2044 | 400 |
| | 395 |
| | 394 |
| 4.25%, due 2046 | 450 |
| | 445 |
| | 445 |
| 3.95%, due 2047 | 475 |
| | 470 |
| | 470 |
| 3.65%, due 2048 | 700 |
| | 688 |
| | — |
| Notes: | | | | | | 5.3% Series, due 2018 | — |
| | — |
| | 350 |
| 6.75% Series, due 2031 | 400 |
| | 396 |
| | 396 |
| 5.75% Series, due 2035 | 300 |
| | 298 |
| | 298 |
| 5.8% Series, due 2036 | 350 |
| | 347 |
| | 347 |
| Transmission upgrade obligation, 4.45% and 3.42% due through 2035 and 2036, respectively | 6 |
| | 5 |
| | 6 |
| Variable-rate tax-exempt bond obligation series: (weighted average interest rate- 2018-1.74%, 2017-1.91%): | | | | | | Due 2023, issued in 1993 | 7 |
| | 7 |
| | 7 |
| Due 2023, issued in 2008 | 57 |
| | 57 |
| | 57 |
| Due 2024 | 35 |
| | 35 |
| | 35 |
| Due 2025 | 13 |
| | 13 |
| | 13 |
| Due 2036 | 33 |
| | 33 |
| | 33 |
| Due 2038 | 45 |
| | 45 |
| | 45 |
| Due 2046 | 30 |
| | 29 |
| | 29 |
| Due 2047 | 150 |
| | 149 |
| | 149 |
| Capital lease obligations - 4.16%, due through 2020 | 2 |
| | 2 |
| | 2 |
| Total | $ | 5,428 |
| | $ | 5,381 |
| | $ | 5,042 |
|
|
Maturities of Long-term Debt [Table Text Block] |
Annual Repayments of Long-Term Debt
The annual repayments of BHE and subsidiary debt for the years beginning January 1, 2019 and thereafter, excluding fair value adjustments and unamortized premiums, discounts and debt issuance costs, are as follows (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2024 and | | | | 2019 | | 2020 | | 2021 | | 2022 | | 2023 | | Thereafter | | Total | | | | | | | | | | | | | | | BHE senior notes | $ | — |
| | $ | 350 |
| | $ | 450 |
| | $ | — |
| | $ | 900 |
| | $ | 6,951 |
| | $ | 8,651 |
| BHE junior subordinated debentures | — |
| | — |
| | — |
| | — |
| | — |
| | 100 |
| | 100 |
| PacifiCorp | 352 |
| | 40 |
| | 425 |
| | 606 |
| | 450 |
| | 5,203 |
| | 7,076 |
| MidAmerican Funding | 500 |
| | 2 |
| | — |
| | 1 |
| | 315 |
| | 4,850 |
| | 5,668 |
| NV Energy | 523 |
| | 913 |
| | 28 |
| | 29 |
| | 271 |
| | 2,557 |
| | 4,321 |
| Northern Powergrid | 80 |
| | 462 |
| | 31 |
| | 479 |
| | 33 |
| | 1,536 |
| | 2,621 |
| BHE Pipeline Group | — |
| | — |
| | 200 |
| | — |
| | — |
| | 850 |
| | 1,050 |
| BHE Transmission | 148 |
| | 245 |
| | — |
| | 348 |
| | 367 |
| | 2,748 |
| | 3,856 |
| BHE Renewables | 483 |
| | 168 |
| | 175 |
| | 172 |
| | 177 |
| | 2,263 |
| | 3,438 |
| HomeServices | 20 |
| | 27 |
| | 33 |
| | 153 |
| | — |
| | — |
| | 233 |
| Totals | $ | 2,106 |
| | $ | 2,207 |
| | $ | 1,342 |
| | $ | 1,788 |
| | $ | 2,513 |
| | $ | 27,058 |
| | $ | 37,014 |
|
|
MidAmerican Energy Company [Member] |
|
Debt Instrument [Line Items] |
|
Maturities of Long-term Debt [Table Text Block] |
The annual repayments of MidAmerican Energy's long-term debt for the years beginning January 1, 2019, and thereafter, excluding unamortized premiums, discounts and debt issuance costs, are as follows (in millions): | | | | | | 2019 | | $ | 500 |
| 2020 | | 2 |
| 2021 | | — |
| 2022 | | — |
| 2023 | | 315 |
| 2024 and thereafter | | 4,611 |
|
|
Sierra Pacific Power Company [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
Sierra Pacific's long-term debt consists of the following, including unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | General and refunding mortgage securities: | | | | | | 3.375% Series T, due 2023 | $ | 250 |
| | $ | 249 |
| | $ | 248 |
| 2.600% Series U, due 2026 | 400 |
| | 396 |
| | 396 |
| 6.750% Series P, due 2037 | 252 |
| | 255 |
| | 255 |
| Tax-exempt refunding revenue bond obligations: | | | | | | Fixed-rate series: | | | | | | 1.250% Pollution Control Series 2016A, due 2029(1) | 20 |
| | 20 |
| | 20 |
| 1.500% Gas Facilities Series 2016A, due 2031(1) | 59 |
| | 58 |
| | 58 |
| 3.000% Gas and Water Series 2016B, due 2036(2) | 60 |
| | 62 |
| | 63 |
| Variable-rate series (2018 - 1.750% to 1.820%, 2017 - 1.690% to 1.840%): | | | | | | Water Facilities Series 2016C, due 2036 | 30 |
| | 30 |
| | 30 |
| Water Facilities Series 2016D, due 2036 | 25 |
| | 25 |
| | 25 |
| Water Facilities Series 2016E, due 2036 | 25 |
| | 25 |
| | 25 |
| Capital and financial lease obligations - 2.700% to 10.297%, due through 2054 | 38 |
| | 38 |
| | 34 |
| Total long-term debt and financial and capital leases | $ | 1,159 |
| | $ | 1,158 |
| | $ | 1,154 |
| | | | | | | Reflected as: | | | | | | Current portion of long-term debt and financial and capital lease obligations | | | $ | 3 |
| | $ | 2 |
| Long-term debt and financial and capital lease obligations | | | 1,155 |
| | 1,152 |
| Total long-term debt and financial and capital leases | | | $ | 1,158 |
| | $ | 1,154 |
|
| | (1) | Subject to mandatory purchase by Sierra Pacific in June 2019 at which date the interest rate may be adjusted from time to time. |
| | (2) | Subject to mandatory purchase by Sierra Pacific in June 2022 at which date the interest rate may be adjusted from time to time. |
|
Maturities of Long-term Debt [Table Text Block] |
The annual repayments of long-term debt and capital and financial leases for the years beginning January 1, 2019 and thereafter, are as follows (in millions): | | | | | | | | | | | | | | | | Long-term | | Capital and Financial | | | | | Debt | | Lease Obligations | | Total | | | | | | | | 2019 | | $ | — |
| | $ | 6 |
| | $ | 6 |
| 2020 | | — |
| | 4 |
| | 4 |
| 2021 | | — |
| | 5 |
| | 5 |
| 2022 | | — |
| | 4 |
| | 4 |
| 2023 | | 250 |
| | 4 |
| | 254 |
| Thereafter | | 871 |
| | 47 |
| | 918 |
| Total | | 1,121 |
| | 70 |
| | 1,191 |
| Unamortized premium, discount and debt issuance cost | | (1 | ) | | — |
| | (1 | ) | Amounts representing interest | | — |
| | (32 | ) | | (32 | ) | Total | | $ | 1,120 |
| | $ | 38 |
| | $ | 1,158 |
|
|
Nevada Power Company [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
Nevada Power's long-term debt consists of the following, including unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | General and refunding mortgage securities: | | | | | | 6.500% Series O, due 2018 | $ | — |
| | $ | — |
| | $ | 324 |
| 6.500% Series S, due 2018 | — |
| | — |
| | 499 |
| 7.125% Series V, due 2019 | 500 |
| | 500 |
| | 499 |
| 6.650% Series N, due 2036 | 367 |
| | 358 |
| | 357 |
| 6.750% Series R, due 2037 | 349 |
| | 346 |
| | 346 |
| 5.375% Series X, due 2040 | 250 |
| | 247 |
| | 247 |
| 5.450% Series Y, due 2041 | 250 |
| | 236 |
| | 236 |
| 2.750%, Series BB, due 2020 | 575 |
|
| 574 |
|
| — |
| Tax-exempt refunding revenue bond obligations: | | | | | | Fixed-rate series: | | | | | | 1.800% Pollution Control Bonds Series 2017A, due 2032(1) | 40 |
| | 40 |
| | 40 |
| 1.600% Pollution Control Bonds Series 2017, due 2036(1) | 40 |
| | 39 |
| | 39 |
| 1.600% Pollution Control Bonds Series 2017B, due 2039(1) | 13 |
| | 13 |
| | 13 |
| Capital and financial lease obligations - 2.750% to 11.600%, due through 2054 | 463 |
| | 463 |
| | 475 |
| Total long-term debt and financial and capital leases | $ | 2,847 |
| | $ | 2,816 |
| | $ | 3,075 |
| | | | | | | Reflected as: | | | | | | Current portion of long-term debt and financial and capital lease obligations | | | $ | 520 |
| | $ | 842 |
| Long-term debt and financial and capital lease obligations | | | 2,296 |
| | 2,233 |
| Total long-term debt and financial and capital leases | | | $ | 2,816 |
| | $ | 3,075 |
|
| | (1) | Subject to mandatory purchase by Nevada Power in May 2020 at which date the interest rate may be adjusted from time to time. |
|
Maturities of Long-term Debt [Table Text Block] |
The annual repayments of long-term debt and capital and financial leases for the years beginning January 1, 2019 and thereafter, are as follows (in millions): | | | | | | | | | | | | | | | | Long-term | | Capital and Financial | | | | | Debt | | Lease Obligations | | Total | | | | | | | | 2019 | | $ | 500 |
| | $ | 78 |
| | $ | 578 |
| 2020 | | 575 |
| | 77 |
| | 652 |
| 2021 | | — |
| | 80 |
| | 80 |
| 2022 | | — |
| | 76 |
| | 76 |
| 2023 | | — |
| | 52 |
| | 52 |
| Thereafter | | 1,309 |
| | 709 |
| | 2,018 |
| Total | | 2,384 |
| | 1,072 |
| | 3,456 |
| Unamortized premium, discount and debt issuance cost | | (31 | ) | | — |
| | (31 | ) | Executory costs | | — |
| | (74 | ) | | (74 | ) | Amounts representing interest | | — |
| | (535 | ) | | (535 | ) | Total | | $ | 2,353 |
| | $ | 463 |
| | $ | 2,816 |
|
|
PacifiCorp [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
PacifiCorp's long-term debt and capital lease obligations were as follows as of December 31 (dollars in millions): | | | | | | | | | | | | | | | | | | | | 2018 | | 2017 | | | | | | Average | | | | Average | | Principal | | Carrying | | Interest | | Carrying | | Interest | | Amount | | Value | | Rate | | Value | | Rate | | | | | | | | | | | First mortgage bonds: | | | | | | | | | | 2.95% to 8.53%, due through 2023 | $ | 1,824 |
| | $ | 1,821 |
| | 4.48 | % | | $ | 2,320 |
| | 4.73 | % | 3.35% to 6.71%, due 2024 to 2026 | 775 |
| | 771 |
| | 3.92 |
| | 771 |
| | 3.92 |
| 7.70% due 2031 | 300 |
| | 298 |
| | 7.70 |
| | 298 |
| | 7.70 |
| 5.25% to 6.35%, due 2034 to 2038 | 2,350 |
| | 2,338 |
| | 5.96 |
| | 2,337 |
| | 5.96 |
| 4.10% to 6.00%, due 2039 to 2042 | 950 |
| | 939 |
| | 5.40 |
| | 938 |
| | 5.40 |
| 4.125%, due 2049 | 600 |
| | 593 | | 4.13 |
| | — |
| | — |
| Variable-rate series, tax-exempt bond obligations (2018-1.67% to 1.85%; 2017-1.60% to 1.87%): | | | | | | | | | | Due 2018 to 2020 | 38 |
| | 38 |
| | 1.85 |
| | 79 |
| | 1.77 |
| Due 2018 to 2025(1) | 25 |
| | 25 |
| | 1.75 |
| | 70 |
| | 1.81 |
| Due 2024(1)(2) | 143 |
| | 142 |
| | 1.68 |
| | 142 |
| | 1.73 |
| Due 2024 to 2025(2) | 50 |
| | 50 |
| | 1.75 |
| | 50 |
| | 1.72 |
| Total long-term debt | 7,055 |
| | 7,015 |
| | | | 7,005 |
| | | Capital lease obligations: | | | | | | | | | | 8.75% to 14.61%, due through 2035 | 21 |
| | 21 |
| | 10.55 |
| | 20 |
| | 11.46 |
| Total long-term debt and capital lease | | | | | | | | | | obligations | $ | 7,076 |
| | $ | 7,036 |
| | | | $ | 7,025 |
| | |
| | | | | | | | | Reflected as: | | | | | 2018 | | 2017 | | | | | Current portion of long-term debt and capital lease obligations | $ | 352 |
| | $ | 588 |
| Long-term debt and capital lease obligations | 6,684 |
| | 6,437 |
| Total long-term debt and capital lease obligations | $ | 7,036 |
| | $ | 7,025 |
|
| | 1) | Supported by $170 million and $216 million of fully available letters of credit issued under committed bank arrangements as of December 31, 2018 and 2017, respectively. |
| | 2) | Secured by pledged first mortgage bonds registered to and held by the tax-exempt bond trustee generally with the same interest rates, maturity dates and redemption provisions as the tax-exempt bond obligations. |
|
Maturities of Long-term Debt [Table Text Block] |
As of December 31, 2018, the annual principal maturities of long-term debt and total capital lease obligations for 2019 and thereafter are as follows (in millions):
| | | | | | | | | | | | | | Long-term | | Capital Lease | | | | Debt | | Obligations | | Total | | | | | | | 2019 | $ | 350 |
| | $ | 4 |
| | $ | 354 |
| 2020 | 38 |
| | 3 |
| | 41 |
| 2021 | 420 |
| | 7 |
| | 427 |
| 2022 | 605 |
| | 3 |
| | 608 |
| 2023 | 449 |
| | 2 |
| | 451 |
| Thereafter | 5,193 |
| | 16 |
| | 5,209 |
| Total | 7,055 |
| | 35 |
| | 7,090 |
| Unamortized discount and debt issuance costs | (40 | ) | | — |
| | (40 | ) | Amounts representing interest | — |
| | (14 | ) | | (14 | ) | Total | $ | 7,015 |
| | $ | 21 |
| | $ | 7,036 |
|
|
BHE Pipeline Group [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
BHE Pipeline Group
BHE Pipeline Group's long-term debt consists of the following, including unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | Northern Natural Gas: | | | | | | 5.75% Senior Notes, due 2018 | $ | — |
| | $ | — |
| | $ | 200 |
| 4.25% Senior Notes, due 2021 | 200 |
| | 199 |
| | 199 |
| 5.80% Senior Bonds, due 2037 | 150 |
| | 149 |
| | 149 |
| 4.10% Senior Bonds, due 2042 | 250 |
| | 248 |
| | 248 |
| 4.30% Senior Bonds, due 2049 | 450 |
| | 446 |
| | — |
| Total BHE Pipeline Group | $ | 1,050 |
| | $ | 1,042 |
| | $ | 796 |
|
|
PacifiCorp [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
PacifiCorp
PacifiCorp's long-term debt consists of the following, including unamortized premiums, discounts and debt issuance costs as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | First mortgage bonds: | | | | | | 2.95% to 8.53%, due through 2023 | $ | 1,824 |
| | $ | 1,821 |
| | $ | 2,320 |
| 3.35% to 6.71%, due 2024 to 2026 | 775 |
| | 771 |
| | 771 |
| 7.70% due 2031 | 300 |
| | 298 |
| | 298 |
| 5.25% to 6.35%, due 2034 to 2038 | 2,350 |
| | 2,338 |
| | 2,337 |
| 4.10% to 6.00%, due 2039 to 2042 | 950 |
| | 939 |
| | 938 |
| 4.125%, due 2049 | 600 |
| | 593 |
| | — |
| Variable-rate series, tax-exempt bond obligations (2018-1.67% to 1.85%; 2017-1.60% to 1.87%): | | | | | | Due 2018 to 2020 | 38 |
| | 38 |
| | 79 |
| Due 2018 to 2025(1) | 25 |
| | 25 |
| | 70 |
| Due 2024(1)(2) | 143 |
| | 142 |
| | 142 |
| Due 2024 to 2025(2) | 50 |
| | 50 |
| | 50 |
| Capital lease obligations - 8.75% to 14.61%, due through 2035 | 21 |
| | 21 |
| | 20 |
| Total PacifiCorp | $ | 7,076 |
| | $ | 7,036 |
| | $ | 7,025 |
|
| | (1) | Supported by $170 million and $216 million of fully available letters of credit issued under committed bank arrangements as of December 31, 2018 and 2017, respectively. |
| | (2) | Secured by pledged first mortgage bonds registered to and held by the tax-exempt bond trustee generally with the same interest rates, maturity dates and redemption provisions as the tax-exempt bond obligations. |
|
MidAmerican Funding [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
MidAmerican Funding
MidAmerican Funding's long-term debt consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | MidAmerican Funding: | | | | | | 6.927% Senior Bonds, due 2029 | $ | 240 |
| | $ | 217 |
| | $ | 216 |
| | | | | | | MidAmerican Energy: | | | | | | Tax-exempt bond obligations - | | | | | | Variable-rate tax-exempt bond obligation series: (2018-1.74%, 2017-1.91%), due 2023-2047 | 370 |
| | 368 |
| | 368 |
| First Mortgage Bonds: | | | | | | 2.40%, due 2019 | 500 |
| | 500 |
| | 499 |
| 3.70%, due 2023 | 250 |
| | 249 |
| | 248 |
| 3.50%, due 2024 | 500 |
| | 501 |
| | 501 |
| 3.10%, due 2027 | 375 |
| | 372 |
| | 372 |
| 4.80%, due 2043 | 350 |
| | 346 |
| | 346 |
| 4.40%, due 2044 | 400 |
| | 394 |
| | 394 |
| 4.25%, due 2046 | 450 |
| | 445 |
| | 445 |
| 3.95%, due 2047 | 475 |
| | 470 |
| | 470 |
| 3.65%, due 2048 | 700 |
| | 688 |
| | — |
| Notes: | | | | | | 5.30% Series, due 2018 | — |
| | — |
| | 350 |
| 6.75% Series, due 2031 | 400 |
| | 396 |
| | 396 |
| 5.75% Series, due 2035 | 300 |
| | 298 |
| | 298 |
| 5.80% Series, due 2036 | 350 |
| | 348 |
| | 348 |
| Transmission upgrade obligation, 4.45% and 3.42% due through 2035 and 2036, respectively | 7 |
| | 5 |
| | 6 |
| Capital lease obligations - 4.16%, due through 2020 | 1 |
| | 2 |
| | 2 |
| Total MidAmerican Energy | 5,428 |
| | 5,382 |
| | 5,043 |
| Total MidAmerican Funding | $ | 5,668 |
| | $ | 5,599 |
| | $ | 5,259 |
|
|
NV Energy, Inc. [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
NV Energy
NV Energy's long-term debt consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | NV Energy - | | | | | | 6.250% Senior Notes, due 2020 | $ | 315 |
| | $ | 330 |
| | $ | 337 |
| | | | | | | Nevada Power: | | | | | | General and refunding mortgage securities: | | | | | | 6.500% Series O, due 2018 | — |
| | — |
| | 324 |
| 6.500% Series S, due 2018 | — |
| | — |
| | 499 |
| 7.125% Series V, due 2019 | 500 |
| | 500 |
| | 499 |
| 2.750%, Series BB, due 2020 | 575 |
| | 574 |
| | — |
| 6.650% Series N, due 2036 | 367 |
| | 360 |
| | 359 |
| 6.750% Series R, due 2037 | 349 |
| | 348 |
| | 348 |
| 5.375% Series X, due 2040 | 250 |
| | 248 |
| | 248 |
| 5.450% Series Y, due 2041 | 250 |
| | 244 |
| | 244 |
| Tax-exempt refunding revenue bond obligations: | | | | | | Fixed-rate series: | | | | | | 1.800% Pollution Control Bonds Series 2017A, due 2032(1) | 40 |
| | 40 |
| | 40 |
| 1.600% Pollution Control Bonds Series 2017, due 2036(1) | 40 |
| | 39 |
| | 39 |
| 1.600% Pollution Control Bonds Series 2017B, due 2039(1) | 13 |
| | 13 |
| | 13 |
| Capital and financial lease obligations - 2.750% to 11.600%, due through 2054 | 463 |
| | 463 |
| | 475 |
| Total Nevada Power | 2,847 |
| | 2,829 |
| | 3,088 |
| | | | | | | Sierra Pacific: | | | | | | General and refunding mortgage securities: | | | | | | 3.375% Series T, due 2023 | 250 |
| | 249 |
| | 249 |
| 2.600% Series U, due 2026 | 400 |
| | 396 |
| | 396 |
| 6.750% Series P, due 2037 | 252 |
| | 256 |
| | 256 |
| Tax-exempt refunding revenue bond obligations: | | | | | | Fixed-rate series: | | | | | | 1.250% Pollution Control Series 2016A, due 2029(2) | 20 |
| | 20 |
| | 20 |
| 1.500% Gas Facilities Series 2016A, due 2031(2) | 59 |
| | 58 |
| | 58 |
| 3.000% Gas and Water Series 2016B, due 2036(3) | 60 |
| | 62 |
| | 63 |
| Variable-rate series (2018 - 1.750% to 1.820%, 2017 - 1.690% to 1.840%): | | | | | | Water Facilities Series 2016C, due 2036 | 30 |
| | 30 |
| | 30 |
| Water Facilities Series 2016D, due 2036 | 25 |
| | 25 |
| | 25 |
| Water Facilities Series 2016E, due 2036 | 25 |
| | 25 |
| | 25 |
| Capital and financial lease obligations - 2.700% to 10.297%, due through 2054 | 38 |
| | 38 |
| | 34 |
| Total Sierra Pacific | 1,159 |
| | 1,159 |
| | 1,156 |
| Total NV Energy | $ | 4,321 |
| | $ | 4,318 |
| | $ | 4,581 |
|
|
Northern Powergrid Holdings [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
gages.
Northern Powergrid
Northern Powergrid and its subsidiaries' long-term debt consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value(1) | | 2018 | | 2017 | | | | | | | 8.875% Bonds, due 2020 | $ | 128 |
| | $ | 133 |
| | $ | 144 |
| 9.25% Bonds, due 2020 | 255 |
| | 260 |
| | 279 |
| 3.901% to 4.586% European Investment Bank loans, due 2018 to 2022 | 294 |
| | 293 |
| | 366 |
| 7.25% Bonds, due 2022 | 255 |
| | 262 |
| | 279 |
| 2.50% Bonds due 2025 | 191 |
| | 189 |
| | 200 |
| 2.073% European Investment Bank loan, due 2025 | 64 |
| | 65 |
| | 69 |
| 2.564% European Investment Bank loans, due 2027 | 319 |
| | 318 |
| | 336 |
| 7.25% Bonds, due 2028 | 237 |
| | 241 |
| | 256 |
| 4.375% Bonds, due 2032 | 191 |
| | 188 |
| | 199 |
| 5.125% Bonds, due 2035 | 255 |
| | 252 |
| | 267 |
| 5.125% Bonds, due 2035 | 191 |
| | 189 |
| | 200 |
| Variable-rate bond, due 2026(2) | 241 |
| | 236 |
| | 210 |
| Total Northern Powergrid | $ | 2,621 |
| | $ | 2,626 |
| | $ | 2,805 |
|
| | (1) | The par values for these debt instruments are denominated in sterling. |
| | (2) | Amortizes semiannually and the Company has entered into an interest rate swap that fixes the interest rate on 85% of the outstanding debt. The variable interest rate as of December 31, 2018 was 2.66% while the fixed interest rate was 2.82%. |
|
BHE Transmission [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
BHE Transmission
BHE Transmission's long-term debt consists of the following, including fair value adjustments and unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value(1) | | 2018 | | 2017 | AltaLink Investments, L.P.: | | | | | | Series 12-1 Senior Bonds, 3.674%, due 2019 | $ | 147 |
| | $ | 148 |
| | $ | 162 |
| Series 13-1 Senior Bonds, 3.265%, due 2020 | 147 |
| | 148 |
| | 161 |
| Series 15-1 Senior Bonds, 2.244%, due 2022 | 147 |
| | 146 |
| | 158 |
| Total AltaLink Investments, L.P. | 441 |
| | 442 |
| | 481 |
| | | | | | | AltaLink, L.P.: | | | | | | Series 2008-1 Notes, 5.243%, due 2018 | — |
| | — |
| | 159 |
| Series 2013-2 Notes, 3.621%, due 2020 | 92 |
| | 92 |
| | 99 |
| Series 2012-2 Notes, 2.978%, due 2022 | 202 |
| | 201 |
| | 218 |
| Series 2013-4 Notes, 3.668%, due 2023 | 366 |
| | 366 |
| | 397 |
| Series 2014-1 Notes, 3.399%, due 2024 | 256 |
| | 256 |
| | 278 |
| Series 2016-1 Notes, 2.747%, due 2026 | 256 |
| | 255 |
| | 277 |
| Series 2006-1 Notes, 5.249%, due 2036 | 110 |
| | 109 |
| | 119 |
| Series 2010-1 Notes, 5.381%, due 2040 | 92 |
| | 91 |
| | 99 |
| Series 2010-2 Notes, 4.872%, due 2040 | 110 |
| | 109 |
| | 119 |
| Series 2011-1 Notes, 4.462%, due 2041 | 202 |
| | 201 |
| | 218 |
| Series 2012-1 Notes, 3.990%, due 2042 | 385 |
| | 380 |
| | 412 |
| Series 2013-3 Notes, 4.922%, due 2043 | 256 |
| | 256 |
| | 278 |
| Series 2014-3 Notes, 4.054%, due 2044 | 216 |
| | 215 |
| | 233 |
| Series 2015-1 Notes, 4.090%, due 2045 | 256 |
| | 255 |
| | 277 |
| Series 2016-2 Notes, 3.717%, due 2046 | 330 |
| | 328 |
| | 356 |
| Series 2013-1 Notes, 4.446%, due 2053 | 183 |
| | 183 |
| | 198 |
| Series 2014-2 Notes, 4.274%, due 2064 | 95 |
| | 95 |
| | 103 |
| Total AltaLink, L.P. | 3,407 |
| | 3,392 |
| | 3,840 |
| | | | | | | Other: | | | | | | Construction Loan, 5.660%, due 2020 | 8 |
| | 8 |
| | 13 |
| | | | | | | Total BHE Transmission | $ | 3,856 |
| | $ | 3,842 |
| | $ | 4,334 |
|
| | (1) | The par values for these debt instruments are denominated in Canadian dollars. |
|
BHE Renewables [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
llars.
BHE Renewables
BHE Renewables' long-term debt consists of the following, including unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | Fixed-rate(1): | | | | | | Bishop Hill Holdings Senior Notes, 5.125%, due 2032 | 85 |
| | 84 |
| | 93 |
| Solar Star Funding Senior Notes, 3.950%, due 2035 | 295 |
| | 292 |
| | 310 |
| Solar Star Funding Senior Notes, 5.375%, due 2035 | 924 |
| | 915 |
| | 965 |
| Grande Prairie Wind Senior Notes, 3.860%, due 2037 | 396 |
| | 392 |
| | 404 |
| Topaz Solar Farms Senior Notes, 5.750%, due 2039 | 718 |
| | 709 |
| | 745 |
| Topaz Solar Farms Senior Notes, 4.875%, due 2039 | 207 |
| | 205 |
| | 217 |
| Alamo 6 Senior Notes, 4.170%, due 2042 | 224 |
| | 221 |
| | 229 |
| Other | 16 |
| | 16 |
| | 19 |
| Variable-rate(1): | | | | | | Pinyon Pines I and II Term Loans, due 2019(2) | 310 |
| | 310 |
| | 333 |
| TX Jumbo Road Term Loan, due 2025(2) | 180 |
| | 176 |
| | 193 |
| Marshall Wind Term Loan, due 2026(2) | 83 |
| | 81 |
| | 86 |
| Total BHE Renewables | $ | 3,438 |
| | $ | 3,401 |
| | $ | 3,594 |
|
| | (1) | Amortizes quarterly or semiannually. |
| | (2) | The term loans have variable interest rates based on LIBOR plus a margin that varies during the terms of the agreements. The Company has entered into interest rate swaps that fix the interest rate on 75% of the Pinyon Pines outstanding debt and 100% of the TX Jumbo Road and Marshall Wind outstanding debt. The variable interest rate as of December 31, 2018 and 2017 was 4.55% and 3.32%, respectively, while the fixed interest rates as of December 31, 2018 and 2017 ranged from 3.21% to 3.63%. |
|
HomeServices [Member] |
|
Debt Instrument [Line Items] |
|
Subsidiary Debt [Table Text Block] |
HomeServices
HomeServices' long-term debt consists of the following, including unamortized premiums, discounts and debt issuance costs, as of December 31 (dollars in millions): | | | | | | | | | | | | | | Par Value | | 2018 | | 2017 | Variable-rate(1): | | | | | | Variable-rate term loan (2018 - 4.022%, 2017 - 2.819%), due 2022 | $ | 233 |
| | $ | 233 |
| | $ | 247 |
|
|