Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income	$ 4,437	$ 3,372	$ 3,144
Adjustments to reconcile net income to net cash flows from operating activities:
(Gains) losses on marketable securities, net	(474)	(669)	2,002
Depreciation and amortization	4,184	4,220	4,286
Allowance for equity funds	(352)	(267)	(167)
Equity (income) loss, net of distributions	452	415	319
Net power cost deferrals	(41)	(629)	(1,290)
Amortization of net power cost deferrals	584	354	357
Other changes in regulatory assets and liabilities	(198)	(260)	(146)
Deferred income taxes and investment tax credits, net	(267)	(257)	(467)
Other, net	50	(46)	59
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(542)	(134)	150
Derivative collateral, net	18	(226)	121
Pension and other postretirement benefit plans	(19)	(10)	(27)
Accrued property, income and other taxes, net	144	(58)	397
Accounts payable and other liabilities	252	280	579
Wildfires insurance receivable	401	(253)	(130)
Wildfires liability	(187)	1,300	172
Net cash flows from operating activities	8,442	7,132	9,359
Cash flows from investing activities:
Capital expenditures	(9,013)	(9,148)	(7,505)
Acquisitions, net of cash acquired	0	0	(314)
Purchases of marketable securities	(354)	(314)	(574)
Proceeds from sales of marketable securities	2,615	2,520	2,464
Purchases of U.S. Treasury Bills	(2,013)	(4,282)	(1,918)
Proceeds from sales of U.S. Treasury Bills	1,975	1,809	0
Proceeds from maturities of U.S. Treasury Bills	723	3,507	0
Equity method investments	(12)	(12)	119
Other, net	44	21	(22)
Net cash flows from investing activities	(6,035)	(5,899)	(7,750)
Cash flows from financing activities:
Preferred stock redemptions	0	(850)	(800)
Preferred dividends	0	(38)	(50)
Common stock repurchases	(2,276)	0	(870)
Repayment of note payable	(600)	0	0
Proceeds from BHE senior debt	0	0	986
Repayments of BHE senior debt	0	(900)	0
Repayments of BHE junior subordinated debt	(91)	0	0
Proceeds from subsidiary debt	6,358	4,084	2,887
Repayments of subsidiary debt	(2,794)	(2,821)	(1,494)
Net (repayments of) proceeds from short-term debt	(3,017)	3,024	(867)
Purchase of Cove Point noncontrolling interest	0	(3,300)	0
Distributions to noncontrolling interests	(163)	(395)	(524)
Other, net	(37)	(54)	(274)
Net cash flows from financing activities	(2,620)	(1,250)	(1,006)
Effect of exchange rate changes	(12)	11	(30)
Net change in cash and cash equivalents and restricted cash and cash equivalents	(225)	(6)	573
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	1,811	1,817	1,244
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 1,586	$ 1,811	$ 1,817