Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2022

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures

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

	Three-Month Periods				Six-Month Periods
	Ended June 30,				Ended June 30,
	2022		2021		2022		2021
Pension:
Service cost	$	6	$	8	$	13	$	15
Interest cost	19		18		38		38
Expected return on plan assets	(27)		(36)		(54)		(69)
Settlement	—		—		2		—
Net amortization	5		7		9		13
Net periodic benefit cost (credit)	$	3	$	(3)	$	8	$	(3)
Other postretirement:
Service cost	$	4	$	4	$	6	$	6
Interest cost	5		5		10		10
Expected return on plan assets	(7)		(6)		(14)		(11)
Net amortization	(1)		(1)		(1)		(2)
Net periodic benefit cost	$	1	$	2	$	1	$	3

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

	Three-Month Periods				Six-Month Periods
	Ended June 30,				Ended June 30,
	2022		2021		2022		2021
Service cost	$	3	$	4	$	7	$	8
Interest cost	9		7		19		15
Expected return on plan assets	(23)		(28)		(48)		(56)
Net amortization	6		14		12		28
Net periodic benefit credit	$	(5)	$	(3)	$	(10)	$	(5)

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				Six-Month Periods
	Ended June 30,				Ended June 30,
	2022		2021		2022		2021
Pension:
Service cost	$	—	$	—	$	—	$	—
Interest cost	7		7		14		14
Expected return on plan assets	(11)		(14)		(21)		(27)
Net amortization	4		5		8		10
Net periodic benefit cost (credit)	$	—	$	(2)	$	1	$	(3)
Other postretirement:
Service cost	$	1	$	1	$	1	$	1
Interest cost	2		2		4		4
Expected return on plan assets	(3)		(2)		(5)		(4)
Net amortization	—		—		—		—
Net periodic benefit cost (credit)	$	—	$	1	$	—	$	1

MEC

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures

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

	Three-Month Periods				Six-Month Periods
	Ended June 30,				Ended June 30,
	2022		2021		2022		2021
Pension:
Service cost	$	4	$	5	$	9	$	10
Interest cost	5		5		10		11
Expected return on plan assets	(7)		(10)		(14)		(19)
Settlement	—		—		2		—
Net amortization	1		1		1		1
Net periodic benefit cost	$	3	$	1	$	8	$	3
Other postretirement:
Service cost	$	2	$	2	$	4	$	4
Interest cost	2		2		4		4
Expected return on plan assets	(3)		(3)		(7)		(5)
Net amortization	(1)		(1)		(1)		(2)
Net periodic benefit cost	$	—	$	—	$	—	$	1

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
	June 30,		December 31,
	2022		2021
Qualified Pension Plan:
Other non-current assets	$	42	$	42
Non-Qualified Pension Plans:
Other current liabilities	(1)		(1)
Other long-term liabilities	(8)		(8)
Other Postretirement Plans:
Other non-current assets	8		8

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
	June 30,		December 31,
	2022		2021
Qualified Pension Plan:
Other non-current assets	$	64	$	62
Non-Qualified Pension Plans:
Other current liabilities	(1)		(1)
Other long-term liabilities	(7)		(7)
Other Postretirement Plans:
Other long-term liabilities	(8)		(10)