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Supplemental Cash Flow Disclosures Supplemental Cash Flow Disclosures (Notes)
 12 Months Ended
Dec. 31, 2020
Condensed Cash Flow Statements, Captions [Line Items]  
Supplemental Cash Flow Disclosures [Text Block] Supplemental Cash Flow Disclosures
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 December 31, 2020 and December 31, 2019, 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 December 31, 2020 and December 31, 2019, 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 December 31,
20202019
Cash and cash equivalents$1,290 $1,040 
Restricted cash and cash equivalents140 212 
Investments and restricted cash and cash equivalents and investments15 16 
Total cash and cash equivalents and restricted cash and cash equivalents$1,445 $1,268 

The summary of supplemental cash flow disclosures as of and for the years ending December 31 is as follows (in millions):
202020192018
Supplemental disclosure of cash flow information:
Interest paid, net of amounts capitalized$1,855 $1,723 $1,713 
Income taxes received, net(1)
$1,361 $850 $780 
Supplemental disclosure of non-cash investing and financing transactions:
Accruals related to property, plant and equipment additions$801 $888 $823 

(1)Includes $1,504 million, $942 million and $884 million of income taxes received from Berkshire Hathaway in 2020, 2019 and 2018, respectively.
PacifiCorp [Member]  
Condensed Cash Flow Statements, Captions [Line Items]  
Supplemental Cash Flow Disclosures [Text Block] Supplemental Cash Flow Disclosures
Cash and Cash Equivalents and Restricted Cash and Cash Equivalents

A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of December 31, 2020 and 2019, 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):
20202019
Cash and cash equivalents$13 $30 
Restricted cash included in other current assets4 4 
Restricted cash included in other assets2 2 
Total cash and cash equivalents and restricted cash and cash equivalents$19 $36 
The summary of supplemental cash flow disclosures as of and for the years ended December 31 is as follows (in millions):
202020192018
Interest paid, net of amounts capitalized$348 $340 $347 
Income taxes paid, net$107 $171 $144 
Supplemental disclosure of non-cash investing and financing activities:
Accounts payable related to property, plant and equipment additions$344 $293 $184 
MidAmerican Energy Company [Member]  
Condensed Cash Flow Statements, Captions [Line Items]  
Supplemental Cash Flow Disclosures [Text Block]
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 December 31, 2020 consist substantially of funds restricted for wildlife preservation and, additionally, as of December 31, 2019, for the purpose of constructing solid waste facilities under tax-exempt bond obligation agreements. A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of December 31, 2020 and 2019 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 December 31,
20202019
Cash and cash equivalents$38 $287 
Restricted cash and cash equivalents in other current assets7 43 
Total cash and cash equivalents and restricted cash and cash equivalents$45 $330 

The summary of supplemental cash flow disclosures as of and for the years ending December 31 is as follows (in millions):
202020192018
Supplemental cash flow information:
Interest paid, net of amounts capitalized$286 $224 $198 
Income taxes received, net
$709 $450 $494 
Supplemental disclosure of non-cash investing transactions:
Accounts payable related to utility plant additions$227 $337 $371 
MidAmerican Funding, LLC and Subsidiaries [Member]  
Condensed Cash Flow Statements, Captions [Line Items]  
Supplemental Cash Flow Disclosures [Text Block]
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 December 31, 2020 consist substantially of funds restricted for wildlife preservation and, additionally, as of December 31, 2019, for the purpose of constructing solid waste facilities under tax-exempt bond obligation agreements. A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of December 31, 2020 and 2019 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 December 31,
20202019
Cash and cash equivalents$39 $288 
Restricted cash and cash equivalents in other current assets7 43 
Total cash and cash equivalents and restricted cash and cash equivalents$46 $331 

The summary of supplemental cash flow information as of and for the years ending December 31 is as follows (in millions):
202020192018
Supplemental cash flow information:
Interest paid, net of amounts capitalized$302 $245 $218 
Income taxes received, net
$715 $456 $511 
Supplemental disclosure of non-cash investing and financing transactions:
Accounts payable related to utility plant additions$227 $337 $371 
Distribution of corporate aircraft to parent$— $8 $— 
Nevada Power Company [Member]  
Condensed Cash Flow Statements, Captions [Line Items]  
Supplemental Cash Flow Disclosures [Text Block] Supplemental Cash Flow Disclosures
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 December 31, 2020 and December 31, 2019, consist of funds restricted by the PUCN for a certain renewable energy contract. A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of December 31, 2020 and December 31, 2019, 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
December 31,December 31,
20202019
Cash and cash equivalents$25 $15 
Restricted cash and cash equivalents included in other current assets11 10 
Total cash and cash equivalents and restricted cash and cash equivalents$36 $25 

The summary of supplemental cash flow disclosures as of and for the years ended December 31 is as follows (in millions):
202020192018
Supplemental disclosure of cash flow information:
Interest paid, net of amounts capitalized$115 $126 $166 
Income taxes paid$50 $113 $117 
Supplemental disclosure of non-cash investing and financing transactions:
Accruals related to property, plant and equipment additions$32 $49 $34 
Sierra Pacific Power Company [Member]  
Condensed Cash Flow Statements, Captions [Line Items]  
Supplemental Cash Flow Disclosures [Text Block] Supplemental Cash Flow Disclosures
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 December 31, 2020 and December 31, 2019, consist of funds restricted by the PUCN for a certain renewable energy contract. A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of December 31, 2020 and December 31, 2019, 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
December 31,December 31,
20202019
Cash and cash equivalents$19 $27 
Restricted cash and cash equivalents included in other current assets7 5 
Total cash and cash equivalents and restricted cash and cash equivalents$26 $32 

The summary of supplemental cash flow disclosures as of and for the years ended December 31 is as follows (in millions):
202020192018
Supplemental disclosure of cash flow information:
Interest paid, net of amounts capitalized$42 $41 $41 
Income taxes paid$2 $37 $19 
Supplemental disclosure of non-cash investing and financing transactions:
Accruals related to property, plant and equipment additions$17 $18 $15 
Eastern Energy Gas Holdings, LLC [Member]  
Condensed Cash Flow Statements, Captions [Line Items]  
Supplemental Cash Flow Disclosures [Text Block] Supplemental Cash Flow Disclosures
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 December 31, 2020 and December 31, 2019 consist substantially of customer deposits. A reconciliation of cash and cash equivalents and restricted cash and cash equivalents as of December 31, 2020 and December 31, 2019, 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
December 31,December 31,
20202019
Cash and cash equivalents$35 $27 
Restricted cash and cash equivalents13 12 
Total cash and cash equivalents and restricted cash and cash equivalents$48 $39 
The summary of supplemental cash flow disclosures as of and for the years ending December 31 is as follows (in millions):

202020192018
Supplemental disclosure of cash flow information:
Interest paid, net of amounts capitalized$317 $291 $162 
Income taxes paid$31 $65 $79 
Supplemental disclosure of non-cash investing and financing transactions:
Accruals related to property, plant and equipment additions$30 $25 $59 
Distribution of Questar Pipeline Group$(699)$— $— 
Distribution of 50% interest in Cove Point$(2,765)$— $— 
Acquisition of Eastern Energy Gas by BHE$343 $— $— 
Equity contributions$— $— $23