BHE Shareholders' Equity	9 Months Ended
	Sep. 30, 2021
Equity [Abstract]
BHE Shareholders' Equity	BHE Shareholders' Equity On July 22, 2021, BHE redeemed at par 1,450,003 shares of its 4.00% Perpetual Preferred Stock from certain subsidiaries of Berkshire Hathaway Inc. for $1.45 billion, plus an additional amount equal to the accrued dividends on the pro rata shares redeemed.