Audit Information	12 Months Ended
	Dec. 31, 2021
Auditor [Line Items]
Auditor Name	Deloitte & Touche LLP
Auditor Location	Des Moines, Iowa
Auditor Firm ID	34
PAC
Auditor [Line Items]
Auditor Name	Deloitte & Touche LLP
Auditor Location	Portland, Oregon
Auditor Firm ID	34
MEC
Auditor [Line Items]
Auditor Name	Deloitte & Touche LLP
Auditor Location	Des Moines, Iowa
Auditor Firm ID	34
MidAmerican Funding, LLC
Auditor [Line Items]
Auditor Name	Deloitte & Touche LLP
Auditor Location	Des Moines, Iowa
Auditor Firm ID	34
NPC
Auditor [Line Items]
Auditor Name	Deloitte & Touche LLP
Auditor Location	Las Vegas, Nevada
Auditor Firm ID	34
SPPC
Auditor [Line Items]
Auditor Name	Deloitte & Touche LLP
Auditor Location	Las Vegas, Nevada
Auditor Firm ID	34
EEGH
Auditor [Line Items]
Auditor Name	Deloitte & Touche LLP
Auditor Location	Richmond, Virginia
Auditor Firm ID	34