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

9 Months Ended

Sep. 30, 2020

MidAmerican Funding, LLC and Subsidiaries [Domain]

Cash and Cash Equivalents, Policy [Policy 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 September 30, 2020 and December 31, 2019, consist substantially of funds restricted for wildlife preservation and, as of December 31, 2019, the purpose of constructing solid waste facilities under tax-exempt bond obligation agreements.

MidAmerican Energy Company [Member]

Cash and Cash Equivalents, Policy [Policy 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 September 30, 2020 and December 31, 2019, consist substantially of funds restricted for wildlife preservation and, as of December 31, 2019, the purpose of constructing solid waste facilities under tax-exempt bond obligation agreements.