Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2021

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures

Domestic Operations

Net periodic benefit cost (credit) for the domestic pension and other postretirement benefit plans included the following components (in millions):

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2021		2020		2021		2020
Pension:
Service cost	$	7	$	4	$	22	$	11
Interest cost	21		23		59		69
Expected return on plan assets	(32)		(35)		(101)		(105)
Settlement	4		—		4		—
Net amortization	6		8		19		25
Net periodic benefit cost	$	6	$	—	$	3	$	—
Other postretirement:
Service cost	$	2	$	1	$	8	$	5
Interest cost	4		6		14		16
Expected return on plan assets	(5)		(9)		(16)		(25)
Net amortization	—		(1)		(2)		(5)
Net periodic benefit cost (credit)	$	1	$	(3)	$	4	$	(9)

Foreign Operations

Net periodic benefit credit for the United Kingdom pension plan included the following components (in millions):

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2021		2020		2021		2020
Service cost	$	4	$	4	$	12	$	12
Interest cost	8		10		23		30
Expected return on plan assets	(28)		(26)		(84)		(76)
Net amortization	14		11		42		32
Net periodic benefit credit	$	(2)	$	(1)	$	(7)	$	(2)

PAC

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures

Net periodic benefit cost (credit) for the pension and other postretirement benefit plans included the following components (in millions):

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2021		2020		2021		2020
Pension:
Service cost	$	—	$	—	$	—	$	—
Interest cost	8		9		22		27
Expected return on plan assets	(12)		(14)		(39)		(42)
Settlement	4		—		4		—
Net amortization	5		4		15		13
Net periodic benefit cost (credit)	$	5	$	(1)	$	2	$	(2)
Other postretirement:
Service cost	$	—	$	—	$	1	$	1
Interest cost	1		2		5		7
Expected return on plan assets	(2)		(3)		(6)		(10)
Net amortization	1		—		1		—
Net periodic benefit (credit) cost	$	—	$	(1)	$	1	$	(2)

MEC

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures

Net periodic benefit cost (credit) for the plans of MidAmerican Energy and the aforementioned affiliates included the following components (in millions):

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2021		2020		2021		2020
Pension:
Service cost	$	5	$	2	$	15	$	4
Interest cost	6		7		17		19
Expected return on plan assets	(9)		(10)		(28)		(30)
Net amortization	—		—		1		1
Net periodic benefit cost (credit)	$	2	$	(1)	$	5	$	(6)
Other postretirement:
Service cost	$	2	$	1	$	6	$	3
Interest cost	2		2		6		5
Expected return on plan assets	(2)		(4)		(7)		(10)
Net amortization	(1)		(1)		(3)		(4)
Net periodic benefit cost (credit)	$	1	$	(2)	$	2	$	(6)

NPC

Defined Benefit Plan Disclosure [Line Items]

Schedule of Amounts Recognized in Balance Sheet

Amounts receivable from (payable to) NV Energy are included on the Consolidated Balance Sheets and consist of the following (in millions):

	As of
	September 30,		December 31,
	2021		2020
Qualified Pension Plan:
Other non-current assets	$	11	$	8
Non-Qualified Pension Plans:
Other current liabilities	(1)		(1)
Other long-term liabilities	(9)		(9)
Other Postretirement Plans:
Other non-current assets	4		4

SPPC

Defined Benefit Plan Disclosure [Line Items]

Schedule of Amounts Recognized in Balance Sheet

Amounts receivable from (payable to) NV Energy are included on the Consolidated Balance Sheets and consist of the following (in millions):

	As of
	September 30,		December 31,
	2021		2020
Qualified Pension Plan:
Other non-current assets	$	31	$	26
Non-Qualified Pension Plans:
Other current liabilities	(1)		(1)
Other long-term liabilities	(8)		(8)
Other Postretirement Plans:
Other long-term liabilities	(13)		(13)

EEGH

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs (Credits)

Net periodic benefit credit for the pension and other postretirement benefit plans included the following components (in millions):

	Three-Month Periods				Nine-Month Periods
	Ended September 30,				Ended September 30,
	2021		2020		2021		2020
Pension:
Service cost	$	—	$	2	$	—	$	5
Interest cost	—		3		—		8
Expected return on plan assets	—		(14)		—		(42)
Net amortization	—		1		—		5
Net periodic benefit credit	$	—	$	(8)	$	—	$	(24)
Other Postretirement:
Service cost	$	—	$	—	$	—	$	1
Interest cost	—		1		—		3
Expected return on plan assets	—		(4)		—		(14)
Net amortization	—		(1)		—		(2)
Net periodic benefit credit	$	—	$	(4)	$	—	$	(12)