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Subsidiary Debt (Tables)
12 Months Ended
Dec. 31, 2017
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
 
2017
 
2016
 
 
 
 
 
 
1.10% Senior Notes, due 2017
$

 
$

 
$
400

5.75% Senior Notes, due 2018
650

 
650

 
649

2.00% Senior Notes, due 2018
350

 
350

 
349

2.40% Senior Notes, due 2020
350

 
349

 
349

3.75% Senior Notes, due 2023
500

 
498

 
497

3.50% Senior Notes, due 2025
400

 
398

 
397

8.48% Senior Notes, due 2028
301

 
302

 
477

6.125% Senior Bonds, due 2036
1,670

 
1,660

 
1,690

5.95% Senior Bonds, due 2037
550

 
547

 
547

6.50% Senior Bonds, due 2037
225

 
222

 
987

5.15% Senior Notes, due 2043
750

 
739

 
739

4.50% Senior Notes, due 2045
750

 
737

 
737

Total BHE Senior Debt
$
6,496

 
$
6,452

 
$
7,818

 
 
 
 
 
 
Reflected as:
 
 
 
 
 
Current liabilities
 
 
$
1,000

 
$
400

Noncurrent liabilities
 
 
5,452

 
7,418

Total BHE Senior Debt
 
 
$
6,452

 
$
7,818

Junior Subordinated Debentures

BHE junior subordinated debentures consists of the following as of December 31 (in millions):
 
Par Value
 
2017
 
2016
 
 
 
 
 
 
Junior subordinated debentures, due 2044
$

 
$

 
$
944

Junior subordinated debentures, due 2057
100

 
100

 

Total BHE junior subordinated debentures - noncurrent
$
100

 
$
100

 
$
944

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
 
2017
 
2016
 
 
 
 
 
 
PacifiCorp
$
7,061

 
$
7,025

 
$
7,079

MidAmerican Funding
5,319

 
5,259

 
4,592

NV Energy
4,577

 
4,581

 
4,582

Northern Powergrid
2,792

 
2,805

 
2,379

BHE Pipeline Group
800

 
796

 
990

BHE Transmission
4,348

 
4,334

 
4,058

BHE Renewables
3,636

 
3,594

 
3,674

HomeServices
247

 
247

 

Total subsidiary debt
$
28,780

 
$
28,641

 
$
27,354

 
 
 
 
 
 
Reflected as:
 
 
 
 
 
Current liabilities
 
 
$
2,431

 
$
606

Noncurrent liabilities
 
 
26,210

 
26,748

Total subsidiary debt
 
 
$
28,641

 
$
27,354

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
 
2017
 
2016
 
 
 
 
 
 
First mortgage bonds:
 
 
 
 
 
2.40%, due 2019
$
500

 
$
499

 
$
499

3.70%, due 2023
250

 
248

 
248

3.50%, due 2024
500

 
501

 
501

3.10%, due 2027
375

 
372

 

4.80%, due 2043
350

 
346

 
345

4.40%, due 2044
400

 
394

 
394

4.25%, due 2046
450

 
445

 
445

3.95%, due 2047
475

 
470

 

Notes:
 
 
 
 
 
5.95% Series, due 2017

 

 
250

5.3% Series, due 2018
350

 
350

 
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
8

 
6

 
7

Variable-rate tax-exempt bond obligation series: (weighted average interest rate- 2017-1.91%, 2016-0.76%):
 
 
 
 
 
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

 

Capital lease obligations - 4.16%, due through 2020
2

 
2

 
2

Total
$
5,080

 
$
5,042

 
$
4,301


Maturities of Long-term Debt [Table Text Block]
ly.



Annual Repayments of Long-Term Debt

The annual repayments of BHE and subsidiary debt for the years beginning January 1, 2018 and thereafter, excluding fair value adjustments and unamortized premiums, discounts and debt issuance costs, are as follows (in millions):
 
 
 
 
 
 
 
 
 
 
 
2023 and
 
 
 
2018
 
2019
 
2020
 
2021
 
2022
 
Thereafter
 
Total
 
 
 
 
 
 
 
 
 
 
 
 
 
 
BHE senior notes
$
1,000

 
$

 
$
350

 
$

 
$

 
$
5,146

 
$
6,496

BHE junior subordinated debentures

 

 

 

 

 
100

 
100

PacifiCorp
588

 
351

 
39

 
425

 
606

 
5,052

 
7,061

MidAmerican Funding
350

 
501

 
2

 

 

 
4,466

 
5,319

NV Energy
844

 
520

 
336

 
27

 
28

 
2,822

 
4,577

Northern Powergrid
66

 
78

 
483

 
26

 
501

 
1,638

 
2,792

BHE Pipeline Group
200

 

 

 
200

 

 
400

 
800

BHE Transmission
160

 
160

 
269

 

 
378

 
3,381

 
4,348

BHE Renewables
209

 
473

 
168

 
175

 
172

 
2,439

 
3,636

HomeServices
14

 
20

 
27

 
33

 
153

 

 
247

Totals
$
3,431

 
$
2,103

 
$
1,674

 
$
886

 
$
1,838

 
$
25,444

 
$
35,376

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, 2018, and thereafter, excluding unamortized premiums, discounts and debt issuance costs, are as follows (in millions):
2018
 
$
350

2019
 
501

2020
 
2

2021
 

2022
 

2023 and thereafter
 
4,227

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
 
2017
 
2016
General and refunding mortgage securities:
 
 
 
 
 
3.375% Series T, due 2023
$
250

 
$
248

 
$
248

2.600% Series U, due 2026
400

 
396

 
395

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

 
63

 
64

Variable-rate series (2017 - 1.690% to 1.840%, 2016 - 0.788% to 0.800%):
 
 
 
 
 
Water Facilities Series 2016C, due 2036
30

 
30

 
29

Water Facilities Series 2016D, due 2036
25

 
25

 
25

Water Facilities Series 2016E, due 2036
25

 
25

 
25

Capital and financial lease obligations (2017 - 2.700% to 10.396%, 2016 - 2.700% to 10.130%), due through 2054
34

 
34

 
34

Total long-term debt and financial and capital leases
$
1,155

 
$
1,154

 
$
1,153

 
 
 
 
 
 
Reflected as:
 
 
 
 
 
Current portion of long-term debt and financial and capital lease obligations
 
 
$
2

 
$
1

Long-term debt and financial and capital lease obligations
 
 
1,152

 
1,152

Total long-term debt and financial and capital leases
 
 
$
1,154

 
$
1,153



(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, 2018 and thereafter, are as follows (in millions):
 
 
Long-term
 
Capital and Financial
 
 
 
 
Debt
 
Lease Obligations
 
Total
 
 
 
 
 
 
 
2018
 
$

 
$
4

 
$
4

2019
 

 
4

 
4

2020
 

 
4

 
4

2021
 

 
4

 
4

2022
 

 
3

 
3

Thereafter
 
1,121

 
47

 
1,168

Total
 
1,121

 
66

 
1,187

Unamortized premium, discount and debt issuance cost
 
(1
)
 

 
(1
)
Amounts representing interest
 

 
(32
)
 
(32
)
Total
 
$
1,120

 
$
34

 
$
1,154

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
 
2017
 
2016
General and refunding mortgage securities:
 
 
 
 
 
6.500% Series O, due 2018
$
324

 
$
324

 
$
324

6.500% Series S, due 2018
499

 
499

 
498

7.125% Series V, due 2019
500

 
499

 
499

6.650% Series N, due 2036
367

 
357

 
357

6.750% Series R, due 2037
349

 
346

 
345

5.375% Series X, due 2040
250

 
247

 
247

5.450% Series Y, due 2041
250

 
236

 
236

Tax-exempt refunding revenue bond obligations:
 
 
 
 
 
Fixed-rate series:
 
 
 
 
 
1.800% Pollution Control Bonds Series 2017A, due 2032(1)
40

 
40

 

1.600% Pollution Control Bonds Series 2017, due 2036(1)
40

 
39

 

1.600% Pollution Control Bonds Series 2017B, due 2039(1)
13

 
13

 

Variable-rate series - 1.890% to 1.928%
 
 
 
 
 
Pollution Control Bonds Series 2006A, due 2032

 

 
38

Pollution Control Bonds Series 2006, due 2036

 

 
37

Capital and financial lease obligations - 2.750% to 11.600%, due through 2054
475

 
475

 
485

Total long-term debt and financial and capital leases
$
3,107

 
$
3,075

 
$
3,066

 
 
 
 
 
 
Reflected as:
 
 
 
 
 
Current portion of long-term debt and financial and capital lease obligations
 
 
$
842

 
$
17

Long-term debt and financial and capital lease obligations
 
 
2,233

 
3,049

Total long-term debt and financial and capital leases
 
 
$
3,075

 
$
3,066



(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, 2018 and thereafter, are as follows (in millions):
 
 
Long-term
 
Capital and Financial
 
 
 
 
Debt
 
Lease Obligations
 
Total
 
 
 
 
 
 
 
2018
 
$
823

 
$
75

 
$
898

2019
 
500

 
76

 
576

2020
 

 
76

 
76

2021
 

 
80

 
80

2022
 

 
75

 
75

Thereafter
 
1,309

 
760

 
2,069

Total
 
2,632

 
1,142

 
3,774

Unamortized premium, discount and debt issuance cost
 
(32
)
 

 
(32
)
Executory costs
 

 
(92
)
 
(92
)
Amounts representing interest
 

 
(575
)
 
(575
)
Total
 
$
2,600

 
$
475

 
$
3,075

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):

 
2017
 
2016
 
 
 
 
 
Average
 
 
 
Average
 
Principal
 
Carrying
 
Interest
 
Carrying
 
Interest
 
Amount
 
Value
 
Rate
 
Value
 
Rate
 
 
 
 
 
 
 
 
 
 
First mortgage bonds:
 
 
 
 
 
 
 
 
 
2.95% to 8.53%, due 2018 to 2022
$
1,875

 
$
1,872

 
4.80
%
 
$
1,872

 
4.80
%
2.95% to 8.23%, due 2023 to 2026
1,224

 
1,218

 
4.10

 
1,217

 
4.10

7.70% due 2031
300

 
298

 
7.70

 
298

 
7.70

5.25% to 6.25%, due 2034 to 2037
2,050

 
2,040

 
5.90

 
2,039

 
5.90

4.10% to 6.35%, due 2038 to 2042
1,250

 
1,236

 
5.60

 
1,235

 
5.60

Variable-rate series, tax-exempt bond obligations (2017-1.60% to 1.87%; 2016-0.69% to 0.86%):
 
 
 
 
 
 
 
 
 
Due 2018 to 2020
79

 
79

 
1.77

 
91

 
0.85

Due 2018 to 2025(1)
70

 
70

 
1.81

 
108

 
0.74

Due 2024(1)(2)
143

 
142

 
1.73

 
142

 
0.70

Due 2024 to 2025(2)
50

 
50

 
1.72

 
50

 
0.80

Total long-term debt
7,041

 
7,005

 
 
 
7,052

 
 
Capital lease obligations:
 
 
 
 
 
 
 
 
 
8.75% to 14.61%, due through 2035
20

 
20

 
11.46

 
27

 
11.09

Total long-term debt and capital lease
 
 
 
 
 
 
 
 
 
obligations
$
7,061

 
$
7,025

 
 
 
$
7,079

 
 
Reflected as:
 
 
 
 
2017
 
2016
 
 
 
 
Current portion of long-term debt and capital lease obligations
$
588

 
$
58

Long-term debt and capital lease obligations
6,437

 
7,021

Total long-term debt and capital lease obligations
$
7,025

 
$
7,079


1)
Supported by $216 million and $255 million of fully available letters of credit issued under committed bank arrangements as of December 31, 2017 and 2016, 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, 2017, the annual principal maturities of long-term debt and total capital lease obligations for 2018 and thereafter are as follows (in millions):

 
Long-term
 
Capital Lease
 
 
 
Debt
 
Obligations
 
Total
 
 
 
 
 
 
2018
$
586

 
$
4

 
$
590

2019
350

 
4

 
354

2020
38

 
3

 
41

2021
420

 
6

 
426

2022
605

 
2

 
607

Thereafter
5,042

 
18

 
5,060

Total
7,041

 
37

 
7,078

Unamortized discount and debt issuance costs
(36
)
 

 
(36
)
Amounts representing interest


 
(17
)
 
(17
)
Total
$
7,005

 
$
20

 
$
7,025

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
 
2017
 
2016
First mortgage bonds:
 
 
 
 
 
2.95% to 8.53%, due through 2022
$
1,875

 
$
1,872

 
$
1,872

2.95% to 8.23%, due 2023 to 2026
1,224

 
1,218

 
1,217

7.70% due 2031
300

 
298

 
298

5.25% to 6.25%, due 2034 to 2037
2,050

 
2,040

 
2,039

4.10% to 6.35%, due 2038 to 2042
1,250

 
1,236

 
1,235

Variable-rate series, tax-exempt bond obligations (2017-1.60% to 1.87%; 2016-0.69% to 0.86%):
 
 
 
 
 
Due 2018 to 2020
79

 
79

 
91

Due 2018 to 2025(1)
70

 
70

 
108

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
20

 
20

 
27

Total PacifiCorp
$
7,061

 
$
7,025

 
$
7,079



(1)
Supported by $216 million and $255 million of fully available letters of credit issued under committed bank arrangements as of December 31, 2017 and 2016, 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
 
2017
 
2016
MidAmerican Funding:
 
 
 
 
 
6.927% Senior Bonds, due 2029
$
239

 
$
216

 
$
291

 
 
 
 
 
 
MidAmerican Energy:
 
 
 
 
 
Tax-exempt bond obligations -
 
 
 
 
 
Variable-rate tax-exempt bond obligation series: (2017-1.91%, 2016-0.76%), due 2023-2047
370

 
368

 
219

First Mortgage Bonds:
 
 
 
 
 
2.40%, due 2019
500

 
499

 
499

3.70%, due 2023
250

 
248

 
248

3.50%, due 2024
500

 
501

 
501

3.10%, due 2027
375

 
372

 

4.80%, due 2043
350

 
346

 
345

4.40%, due 2044
400

 
394

 
394

4.25%, due 2046
450

 
445

 
445

3.95%, due 2047
475

 
470

 

Notes:
 
 
 
 
 
5.95% Series, due 2017

 

 
250

5.30% Series, due 2018
350

 
350

 
350

6.75% Series, due 2031
400

 
396

 
396

5.75% Series, due 2035
300

 
298

 
298

5.80% Series, due 2036
350

 
348

 
347

Transmission upgrade obligation, 4.45% and 3.42% due through 2035 and 2036, respectively
8

 
6

 
7

Capital lease obligations - 4.16%, due through 2020
2

 
2

 
2

Total MidAmerican Energy
5,080

 
5,043

 
4,301

Total MidAmerican Funding
$
5,319

 
$
5,259

 
$
4,592



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
 
2017
 
2016
NV Energy -
 
 
 
 
 
6.250% Senior Notes, due 2020
$
315

 
$
337

 
$
363

 
 
 
 
 
 
Nevada Power:
 
 
 
 
 
General and refunding mortgage securities:
 
 
 
 
 
6.500% Series O, due 2018
324

 
324

 
324

6.500% Series S, due 2018
499

 
499

 
498

7.125% Series V, due 2019
500

 
499

 
499

6.650% Series N, due 2036
367

 
359

 
357

6.750% Series R, due 2037
349

 
348

 
345

5.375% Series X, due 2040
250

 
248

 
247

5.450% Series Y, due 2041
250

 
244

 
236

Tax-exempt refunding revenue bond obligations:
 
 
 
 
 
Fixed-rate series:
 
 
 
 
 
1.800% Pollution Control Bonds Series 2017A, due 2032(1)
40

 
40

 

1.600% Pollution Control Bonds Series 2017, due 2036(1)
40

 
39

 

1.600% Pollution Control Bonds Series 2017B, due 2039(1)
13

 
13

 

Variable-rate series - 1.890% to 1.928%
 
 
 
 
 
Pollution Control Bonds Series 2006A, due 2032

 

 
38

Pollution Control Bonds Series 2006, due 2036

 

 
37

Capital and financial lease obligations - 2.750% to 11.600%, due through 2054
475

 
475

 
485

Total Nevada Power
3,107

 
3,088

 
3,066

 
 
 
 
 
 
Sierra Pacific:
 
 
 
 
 
General and refunding mortgage securities:
 
 
 
 
 
3.375% Series T, due 2023
250

 
249

 
248

2.600% Series U, due 2026
400

 
396

 
395

6.750% Series P, due 2037
252

 
256

 
255

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

 
63

 
64

Variable-rate series (2017 - 1.690% to 1.840%, 2016 - 0.788% to 0.800%):
 
 
 
 
 
Water Facilities Series 2016C, due 2036
30

 
30

 
29

Water Facilities Series 2016D, due 2036
25

 
25

 
25

Water Facilities Series 2016E, due 2036
25

 
25

 
25

Capital and financial lease obligations (2017 - 2.700% to 10.396%, 2016 - 2.700% to 10.130%), due through 2054
34

 
34

 
34

Total Sierra Pacific
1,155

 
1,156

 
1,153

Total NV Energy
$
4,577

 
$
4,581

 
$
4,582


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)
 
2017
 
2016
 
 
 
 
 
 
8.875% Bonds, due 2020
$
135

 
$
144

 
$
136

9.25% Bonds, due 2020
270

 
279

 
259

3.901% to 4.586% European Investment Bank loans, due 2018 to 2022
366

 
366

 
333

7.25% Bonds, due 2022
270

 
279

 
257

2.50% Bonds due 2025
203

 
200

 
182

2.073% European Investment Bank loan, due 2025
68

 
69

 
62

2.564% European Investment Bank loans, due 2027
338

 
336

 
308

7.25% Bonds, due 2028
250

 
256

 
234

4.375% Bonds, due 2032
203

 
199

 
182

5.125% Bonds, due 2035
270

 
267

 
243

5.125% Bonds, due 2035
203

 
200

 
183

Variable-rate bond, due 2026(2)
216

 
210

 

Total Northern Powergrid
$
2,792

 
$
2,805

 
$
2,379


(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, 2017 was 2.27% while the fixed interest rate was 2.82%.

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
 
2017
 
2016
Northern Natural Gas:
 
 
 
 
 
5.75% Senior Notes, due 2018
$
200

 
$
200

 
$
199

4.25% Senior Notes, due 2021
200

 
199

 
199

5.8% Senior Bonds, due 2037
150

 
149

 
149

4.1% Senior Bonds, due 2042
250

 
248

 
248

Total Northern Natural Gas
800

 
796

 
795

 
 
 
 
 
 
Kern River:
 
 
 
 
 
4.893% Senior Notes, due 2018

 

 
195

 
 
 
 
 
 
Total BHE Pipeline Group
$
800

 
$
796

 
$
990

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)
 
2017
 
2016
AltaLink Investments, L.P.:
 
 
 
 
 
Series 12-1 Senior Bonds, 3.674%, due 2019
$
159

 
$
162

 
$
153

Series 13-1 Senior Bonds, 3.265%, due 2020
159

 
161

 
152

Series 15-1 Senior Bonds, 2.244%, due 2022
159

 
158

 
148

Total AltaLink Investments, L.P.
477

 
481

 
453

 
 
 
 
 
 
AltaLink, L.P.:
 
 
 
 
 
Series 2008-1 Notes, 5.243%, due 2018
159

 
159

 
148

Series 2013-2 Notes, 3.621%, due 2020
100

 
99

 
93

Series 2012-2 Notes, 2.978%, due 2022
219

 
218

 
204

Series 2013-4 Notes, 3.668%, due 2023
398

 
397

 
371

Series 2014-1 Notes, 3.399%, due 2024
278

 
278

 
260

Series 2016-1 Notes, 2.747%, due 2026
278

 
277

 
259

Series 2006-1 Notes, 5.249%, due 2036
119

 
119

 
111

Series 2010-1 Notes, 5.381%, due 2040
100

 
99

 
93

Series 2010-2 Notes, 4.872%, due 2040
119

 
119

 
111

Series 2011-1 Notes, 4.462%, due 2041
219

 
218

 
204

Series 2012-1 Notes, 3.990%, due 2042
418

 
412

 
385

Series 2013-3 Notes, 4.922%, due 2043
278

 
278

 
260

Series 2014-3 Notes, 4.054%, due 2044
235

 
233

 
218

Series 2015-1 Notes, 4.090%, due 2045
278

 
277

 
259

Series 2016-2 Notes, 3.717%, due 2046
358

 
356

 
333

Series 2013-1 Notes, 4.446%, due 2053
199

 
198

 
186

Series 2014-2 Notes, 4.274%, due 2064
103

 
103

 
97

Total AltaLink, L.P.
3,858

 
3,840

 
3,592

 
 
 
 
 
 
Other:
 
 
 
 
 
Construction Loan, 5.660%, due 2020
13

 
13

 
13

 
 
 
 
 
 
Total BHE Transmission
$
4,348

 
$
4,334

 
$
4,058


(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
 
2017
 
2016
Fixed-rate(1):
 
 
 
 
 
CE Generation Bonds, 7.416%, due 2018
$

 
$

 
$
67

Salton Sea Funding Corporation Bonds, 7.475%, due 2018

 

 
31

Cordova Funding Corporation Bonds, 8.48% to 9.07%, due 2019

 

 
97

Bishop Hill Holdings Senior Notes, 5.125%, due 2032
94

 
93

 
99

Solar Star Funding Senior Notes, 3.950%, due 2035
314

 
310

 
311

Solar Star Funding Senior Notes, 5.375%, due 2035
975

 
965

 
966

Grande Prairie Wind Senior Notes, 3.860%, due 2037
408

 
404

 
414

Topaz Solar Farms Senior Notes, 5.750%, due 2039
755

 
745

 
780

Topaz Solar Farms Senior Notes, 4.875%, due 2039
219

 
217

 
229

Alamo 6 Senior Notes, 4.170%, due 2042
232

 
229

 

Other
19

 
19

 
22

Variable-rate(1):
 
 
 
 
 
Pinyon Pines I and II Term Loans, due 2019(2)
334

 
333

 
355

Wailuku Special Purpose Revenue Bonds, 0.90%, due 2021

 

 
7

TX Jumbo Road Term Loan, due 2025(2)
198

 
193

 
206

Marshall Wind Term Loan, due 2026(2)
88

 
86

 
90

Total BHE Renewables
$
3,636

 
$
3,594

 
$
3,674


(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, 2017 and 2016 was 3.32% and 2.62%, respectively, while the fixed interest rates as of December 31, 2017 and 2016 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
 
2017
 
2016
Variable-rate(1):
 
 
 
 
 
Variable-rate term loan, 2017 - 2.819%, due 2022
$
247

 
$
247

 
$


(1)
Amortizes quarterly.