Long-term Debt (MEC) (Details) (MidAmerican Energy Company [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2013
MidAmerican Energy Company [Member]
Debt Instrument [Line Items]
2014 long-term debt maturities repayments	$ 350
2015 long-term debt maturities repayments	426
2016 long-term debt maturities repayments	34
2017 long-term debt maturities repayments	254
2018 long-term debt maturities repayments	350
2019 and thereafter long-term debt maturities repayments	$ 2,157

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

+ Details

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+ References

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+ References

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.

+ References

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year.

+ References

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+ References

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