Leases Leases (Tables)

3 Months Ended

Mar. 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
	March 31,
	2019
Right-of-use assets:
Operating leases	$	544
Finance leases	509
Total right-of-use assets	$	1,053
Lease liabilities:
Operating leases	$	586
Finance leases	522
Total lease liabilities	$	1,108

Lease, Cost [Table Text Block]

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

	Three-Month Period
	Ended March 31,
	2019
Variable	$	144
Operating	41
Finance:
Amortization	4
Interest	11
Short-term	1
Total lease costs	$	201
Weighted-average remaining lease term (years):
Operating leases	7.5
Finance leases	29.5
Weighted-average discount rate:
Operating leases	5.3		%
Finance leases	8.7		%

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):

	Three-Month Period
	Ended March 31,
	2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	(37	)
Operating cash flows from finance leases	(12		)
Financing cash flows from finance leases	(5		)
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases	$	12
Finance leases	1

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

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

	March 31, 2019									December 31, 2018(1)
	Operating			Finance			Total			Operating		Capital		Total
2019	$	115		$	53		$	168		$	147	$	69	$	216
2020	138			68			206			128		68		196
2021	116			74			190			110		73		183
2022	92			67			159			87		67		154
2023	66			56			122			61		56		117
Thereafter	198			775			973			159		772		931
Total undiscounted lease payments	725			1,093			1,818			$	692	$	1,105	$	1,797
Less - amounts representing interest	(139		)	(571		)	(710		)
Lease liabilities	$	586		$	522		$	1,108

(1)     Amounts included for comparability and accounted for in accordance with ASC 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
	March 31,
	2019
Right-of-use assets:
Operating leases	$	14
Finance leases	20
Total right-of-use assets	$	34
Lease liabilities:
Operating leases	$	14
Finance leases	20
Total lease liabilities	$	34

Lease, Cost [Table Text Block]

Cash payments associated with operating and finance lease liabilities approximated lease cost. The following table summarizes PacifiCorp's lease costs (in millions):

	Three-Month Period
	Ended March 31,
	2019
Variable	$	9
Operating	1
Finance:
Interest	1
Total lease costs	$	11
Weighted-average remaining lease term (years):
Operating leases	13.6
Finance leases	9.7
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):

	March 31, 2019									December 31, 2018(1)
	Operating			Finance			Total			Operating		Capital		Total
2019	$	2		$	3		$	5		$	3	$	4	$	7
2020	2			3			5			3		4		7
2021	2			7			9			3		7		10
2022	2			3			5			2		3		5
2023	2			2			4			2		2		4
Thereafter	8			16			24			7		16		23
Total undiscounted lease payments	18			34			52			$	20	$	36	$	56
Less - amounts representing interest	(4		)	(14		)	(18		)
Lease liabilities	$	14		$	20		$	34

(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
	March 31,
	2019
Right-of-use assets:
Operating leases	$	15
Finance leases	449
Total right-of-use assets	$	464
Lease liabilities:
Operating leases	$	18
Finance leases	462
Total lease liabilities	$	480

Lease, Cost [Table Text Block]

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

	Three-Month Period
	Ended March 31,
	2019
Variable	$	108
Operating	1
Finance:
Amortization	3
Interest	10
Total lease costs	$	122
Weighted-average remaining lease term (years):
Operating leases	8.1
Finance leases	31.3
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):

	Three-Month Period
	Ended March 31,
	2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	(1	)
Operating cash flows from finance leases	(11		)
Financing cash flows from finance leases	(3		)
Right-of-use assets obtained in exchange for lease liabilities:
Finance leases	$	1

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

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

	March 31, 2019									December 31, 2018(1)
	Operating			Finance			Total			Operating		Capital		Total
2019	$	2		$	46		$	48		$	3	$	59	$	62
2020	3			58			61			3		59		62
2021	3			62			65			3		61		64
2022	2			60			62			3		60		63
2023	2			50			52			2		50		52
Thereafter	10			711			721			10		709		719
Total undiscounted lease payments	22			987			1,009			$	24	$	998	$	1,022
Less - amounts representing interest	(4		)	(525		)	(529		)
Lease liabilities	$	18		$	462		$	480

(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
	March 31,
	2019
Right-of-use assets:
Operating leases	$	19
Finance leases	38
Total right-of-use assets	$	57
Lease liabilities:
Operating leases	$	19
Finance leases	39
Total lease liabilities	$	58

Lease, Cost [Table Text Block]

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

	Three-Month Period
	Ended March 31,
	2019
Variable	$	15
Operating	—
Finance:
Amortization	1
Interest	1
Total lease costs	$	17
Weighted-average remaining lease term (years):
Operating leases	25.7
Finance leases	23.8
Weighted-average discount rate:
Operating leases	4.9		%
Finance leases	7.3		%

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):

	Three-Month Period
	Ended March 31,
	2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$	(1	)

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

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

	March 31, 2019									December 31, 2018(1)
	Operating			Finance			Total			Operating		Capital		Total
2019	$	2		$	4		$	6		$	2	$	6	$	8
2020	2			5			7			2		4		6
2021	2			5			7			2		5		7
2022	1			4			5			1		4		5
2023	1			4			5			1		4		5
Thereafter	27			47			74			28		47		75
Total undiscounted lease payments	35			69			104			$	36	$	70	$	106
Less - amounts representing interest	(16		)	(30		)	(46		)
Lease liabilities	$	19		$	39		$	58

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