Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Supplemental Cash Flow Disclosure (Tables)

3 Months Ended

Mar. 31, 2019

Condensed Cash Flow Statements, Captions [Line Items]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Cash and Cash Equivalents and Restricted Cash and Cash Equivalents

Cash equivalents consist of funds invested in money market mutual funds, United States Treasury Bills and other investments with a maturity of three months or less when purchased. Cash and cash equivalents exclude amounts where availability is restricted by legal requirements, loan agreements or other contractual provisions. Restricted cash and cash equivalents as of March 31, 2019 and December 31, 2018, consist substantially of funds restricted for the purpose of constructing solid waste facilities under tax-exempt bond obligation agreements and debt service obligations for certain of the Company's nonregulated renewable energy projects. A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of March 31,2019 and December 31, 2018, as presented in the Consolidated Statements of Cash Flows is outlined below and disaggregated by the line items in which they appear on the Consolidated Balance Sheets (in millions):

	As of
	March 31,		December 31,
	2019		2018
Cash and cash equivalents	$	1,661	$	627
Restricted cash and cash equivalents	181		227
Investments and restricted cash and cash equivalents and investments	15		29
Total cash and cash equivalents and restricted cash and cash equivalents	$	1,857	$	883

Sierra Pacific Power Company [Member]

Condensed Cash Flow Statements, Captions [Line Items]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of March 31,2019 and December 31, 2018, as presented in the Statements of Cash Flows is outlined below and disaggregated by the line items in which they appear on the Balance Sheets (in millions):

	As of
	March 31,		December 31,
	2019		2018
Cash and cash equivalents	$	62	$	71
Restricted cash and cash equivalents included in other current assets	6		5
Total cash and cash equivalents and restricted cash and cash equivalents	$	68	$	76

Nevada Power Company [Member]

Condensed Cash Flow Statements, Captions [Line Items]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of March 31,2019 and December 31, 2018, as presented in the Consolidated Statements of Cash Flows is outlined below and disaggregated by the line items in which they appear on the Consolidated Balance Sheets (in millions):

	As of
	March 31,		December 31,
	2019		2018
Cash and cash equivalents	$	51	$	111
Restricted cash and cash equivalents included in other current assets	11		10
Total cash and cash equivalents and restricted cash and cash equivalents	$	62	$	121

PacifiCorp [Member]

Condensed Cash Flow Statements, Captions [Line Items]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	As of
	March 31,		December 31,
	2019		2018
Cash and cash equivalents	$	669	$	77
Restricted cash included in other current assets	13		13
Restricted cash included in other assets	2		2
Total cash and cash equivalents and restricted cash and cash equivalents	$	684	$	92

MidAmerican Funding, LLC and Subsidiaries [Domain]

Condensed Cash Flow Statements, Captions [Line Items]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of March 31, 2019 and December 31, 2018, as presented in the Consolidated Statements of Cash Flows is outlined below and disaggregated by the line items in which they appear on the Consolidated Balance Sheets (in millions):

	As of
	March 31		December 31
	2019		2018
Cash and cash equivalents	$	433	$	1
Restricted cash and cash equivalents in other current assets	47		56
Total cash and cash equivalents and restricted cash and cash equivalents	$	480	$	57

MidAmerican Energy Company [Member]

Condensed Cash Flow Statements, Captions [Line Items]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of March 31, 2019 and December 31, 2018, as presented in the Statements of Cash Flows is outlined below and disaggregated by the line items in which they appear on the Balance Sheets (in millions):

	As of
	March 31,		December 31
	2019		2018
Cash and cash equivalents	$	432	$	—
Restricted cash and cash equivalents in other current assets	47		56
Total cash and cash equivalents and restricted cash and cash equivalents	$	479	$	56