Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 2,997	$ 2,493
Adjustments to reconcile net income to net cash flows from operating activities:
Gains (losses) on marketable securities, net	(1,271)	(848)
Depreciation and amortization	2,081	1,874
Allowance for equity funds	(80)	(56)
Equity income, net of distributions	202	313
Changes in regulatory assets and liabilities	(226)	(199)
Deferred income taxes and investment tax credits, net	385	613
Other, net	37	(26)
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(317)	(254)
Derivative collateral, net	189	92
Pension and other postretirement benefit plans	(21)	(33)
Accrued property, income and other taxes, net	489	76
Accounts payable and other liabilities	682	187
Net cash flows from operating activities	5,147	4,232
Cash flows from investing activities:
Capital expenditures	(3,382)	(2,848)
Purchases of marketable securities	(281)	(185)
Proceeds from sales of marketable securities	257	163
Equity method investments	(28)	(52)
Other, net	(18)	(53)
Net cash flows from investing activities	(3,452)	(2,975)
Cash flows from financing activities:
Preferred stock redemptions	(800)	0
Common stock purchases	(870)	0
Proceeds from BHE senior debt	987	0
Repayments of BHE senior debt	0	(450)
Preferred dividends	(33)	(75)
Proceeds from subsidiary debt	1,201	539
Repayments of subsidiary debt	(542)	(1,210)
Net (repayments of) proceeds from short-term debt	(54)	245
Distributions to noncontrolling interests	(246)	(234)
Other, net	(248)	(19)
Net cash flows from financing activities	(605)	(1,204)
Effect of exchange rate changes	(33)	2
Net change in cash and cash equivalents and restricted cash and cash equivalents	1,057	55
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	1,244	1,445
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 2,301	$ 1,500