Leases Leases (Tables)

12 Months Ended

Dec. 31, 2019

Lessee, Lease, Description [Line Items]

Operating and Finance Lease, Balance Sheet Summary [Table Text Block]

The following table summarizes the Company's leases recorded on the Consolidated Balance Sheet (in millions):

	As of
	December 31, 2019
Right-of-use assets:
Operating leases	$	525
Finance leases	504
Total right-of-use assets	$	1,029
Lease liabilities:
Operating leases	$	577
Finance leases	519
Total lease liabilities	$	1,096

Lease, Cost [Table Text Block]

The following table summarizes the Company's lease costs (in millions):

	Year Ended
	December 31, 2019
Variable	$	623
Operating	170
Finance:
Amortization	16
Interest	41
Short-term	7
Total lease costs	$	857
Weighted-average remaining lease term (years):
Operating leases	7.6
Finance leases	28.8
Weighted-average discount rate:
Operating leases	5.2		%
Finance leases	8.6		%

Operating and Finance Lease, Supplemental Cash Flow [Table Text Block]

The following table summarizes the Company's supplemental cash flow information relating to leases (in millions):

	Year Ended
	December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	(153	)
Operating cash flows from finance leases	(42		)
Financing cash flows from finance leases	(19		)
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases	$	82
Finance leases	14

Operating and Finance Lease, Liability, Maturity [Table Text Block]

The Company has the following remaining lease commitments as of (in millions):

	December 31, 2019
	Operating			Finance			Total
2020	$	147		$	71		$	218
2021	126			77			203
2022	102			70			172
2023	73			59			132
2024	50			59			109
Thereafter	202			725			927
Total undiscounted lease payments	700			1,061			1,761
Less - amounts representing interest	(123		)	(542		)	(665		)
Lease liabilities	$	577		$	519		$	1,096

	December 31, 2018(1)
	Operating		Capital		Total
2019	$	147	$	69	$	216
2020	128		68		196
2021	110		73		183
2022	87		67		154
2023	61		56		117
Thereafter	159		772		931
Total undiscounted lease payments	$	692	$	1,105	$	1,797

(1)     Amounts included for comparability and accounted for in accordance with ASC 840, "Leases".

Sierra Pacific has the following remaining lease commitments as of (in millions):

	December 31, 2019
	Operating			Finance			Total
2020	$	2		$	6		$	8
2021	2			6			8
2022	1			6			7
2023	1			6			7
2024	1			5			6
Thereafter	26			46			72
Total undiscounted lease payments	33			75			108
Less - amounts representing interest	(16		)	(30		)	(46		)
Lease liabilities	$	17		$	45		$	62

	December 31, 2018(1)
	Operating		Capital		Total
2019	$	2	$	6	$	8
2020	2		4		6
2021	2		5		7
2022	1		4		5
2023	1		4		5
Thereafter	28		47		75
Total undiscounted lease payments	$	36	$	70	$	106

(1)     Amounts included for comparability and accounted for in accordance with ASC Topic 840, "Leases".

PacifiCorp [Member]

Lessee, Lease, Description [Line Items]

Operating and Finance Lease, Balance Sheet Summary [Table Text Block]

The following table summarizes PacifiCorp's leases recorded on the Consolidated Balance Sheet (in millions):

	As of
	December 31, 2019
Right-of-use assets:
Operating leases	$	12
Finance leases	19
Total right-of-use assets	$	31
Lease liabilities:
Operating leases	$	12
Finance leases	19
Total lease liabilities	$	31

Lease, Cost [Table Text Block]

The following table summarizes PacifiCorp's lease costs (in millions):

	Year Ended
	December 31, 2019
Variable	$	77
Operating	3
Finance:
Amortization	1
Interest	2
Short-term	2
Total lease costs	$	85
Weighted-average remaining lease term (years):
Operating leases	14.0
Finance leases	9.1
Weighted-average discount rate:
Operating leases	3.7		%
Finance leases	10.6		%

Operating and Finance Lease, Liability, Maturity [Table Text Block]

PacifiCorp has the following remaining lease commitments as of (in millions):

	December 31, 2019
	Operating			Finance			Total
2020	$	2		$	3		$	5
2021	2			7			9
2022	2			3			5
2023	2			2			4
2024	1			2			3
Thereafter	7			14			21
Total undiscounted lease payments	16			31			47
Less - amounts representing interest	(4		)	(12		)	(16		)
Lease liabilities	$	12		$	19		$	31

	December 31, 2018(1)
	Operating		Capital		Total
2019	$	3	$	4	$	7
2020	3		4		7
2021	3		7		10
2022	2		3		5
2023	2		2		4
Thereafter	7		16		23
Total undiscounted lease payments	$	20	$	36	$	56

(1)     Amounts included for comparability and accounted for in accordance with ASC 840, "Leases".

Nevada Power Company [Member]

Lessee, Lease, Description [Line Items]

Operating and Finance Lease, Balance Sheet Summary [Table Text Block]

The following table summarizes Nevada Power's leases recorded on the Consolidated Balance Sheet (in millions):

	As of
	December 31, 2019
Right-of-use assets:
Operating leases	$	13
Finance leases	441
Total right-of-use assets	$	454
Lease liabilities:
Operating leases	$	17
Finance leases	454
Total lease liabilities	$	471

Lease, Cost [Table Text Block]

The following table summarizes Nevada Power's lease costs (in millions):

	Year Ended
	December 31, 2019
Variable	$	434
Operating	3
Finance:
Amortization	13
Interest	37
Total lease costs	$	487
Weighted-average remaining lease term (years):
Operating leases	7.5
Finance leases	30.6
Weighted-average discount rate:
Operating leases	4.5		%
Finance leases	8.7		%

Operating and Finance Lease, Supplemental Cash Flow [Table Text Block]

The following table summarizes Nevada Power's supplemental cash flow information relating to leases (in millions):

	Year Ended
	December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	(3	)
Operating cash flows from finance leases	(37		)
Financing cash flows from finance leases	(14		)
Right-of-use assets obtained in exchange for lease liabilities:
Finance leases	$	9

Operating and Finance Lease, Liability, Maturity [Table Text Block]

Nevada Power has the following remaining lease commitments as of (in millions):

	December 31, 2019
	Operating			Finance			Total
2020	$	3		$	60		$	63
2021	3			64			67
2022	3			62			65
2023	2			51			53
2024	2			52			54
Thereafter	7			664			671
Total undiscounted lease payments	20			953			973
Less - amounts representing interest	(3		)	(499		)	(502		)
Lease liabilities	$	17		$	454		$	471

	December 31, 2018(1)
	Operating		Capital		Total
2019	$	3	$	59	$	62
2020	3		59		62
2021	3		61		64
2022	3		60		63
2023	2		50		52
Thereafter	10		709		719
Total undiscounted lease payments	$	24	$	998	$	1,022

(1)     Amounts included for comparability and accounted for in accordance with ASC Topic 840, "Leases".

Sierra Pacific Power Company [Member]

Lessee, Lease, Description [Line Items]

Operating and Finance Lease, Balance Sheet Summary [Table Text Block]

The following table summarizes Sierra Pacific's leases recorded on the Balance Sheet (in millions):

	As of
	December 31, 2019
Right-of-use assets:
Operating leases	$	17
Finance leases	43
Total right-of-use assets	$	60
Lease liabilities:
Operating leases	$	17
Finance leases	45
Total lease liabilities	$	62

Lease, Cost [Table Text Block]

The following table summarizes Sierra Pacific's lease costs (in millions):

	Year Ended
	December 31, 2019
Variable	$	69
Operating	1
Finance:
Amortization	2
Interest	2
Total lease costs	$	74
Weighted-average remaining lease term (years):
Operating leases	26.3
Finance leases	20.9
Weighted-average discount rate:
Operating leases	5.0		%
Finance leases	7.1		%

Operating and Finance Lease, Supplemental Cash Flow [Table Text Block]

The following table summarizes Sierra Pacific's supplemental cash flow information relating to leases (in millions):

	Year Ended
	December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	(3	)
Operating cash flows from finance leases	(3		)
Financing cash flows from finance leases	(3		)
Right-of-use assets obtained in exchange for lease liabilities:
Finance leases	$	5