v3.25.3

Balance Sheets (Unaudited) - MEC (Parenthetical) - $ / shares	Sep. 30, 2025	Dec. 31, 2024
Common stock, shares authorized (in shares)	100	100
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares issued (in shares)	1	1
Common stock, shares outstanding (in shares)	1	1
MEC
Common stock, shares authorized (in shares)	350,000,000	350,000,000
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares issued (in shares)	71,000,000	71,000,000
Common stock, shares outstanding (in shares)	71,000,000	71,000,000

Face amount per share of no-par value common stock.

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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-Name Accounting Standards Codification
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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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BERKSHIRE HATHAWAY ENERGY CO 10-Q