Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net (loss) income	$ (20)	$ 110
Adjustments to reconcile net (loss) income to net cash flows from operating activities:
Gains (losses) on marketable securities, net	1,257	1,118
Depreciation and amortization	1,022	927
Allowance for equity funds	(38)	(26)
Equity income, net of distributions	88	221
Changes in regulatory assets and liabilities	(42)	(9)
Deferred income taxes and investment tax credits, net	(203)	(135)
Other, net	6	9
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	333	(249)
Derivative collateral, net	85	14
Pension and other postretirement benefit plans	(11)	(21)
Accrued property, income and other taxes, net	(347)	(453)
Accounts payable and other liabilities	91	19
Net cash flows from operating activities	2,221	1,525
Cash flows from investing activities:
Capital expenditures	(1,553)	(1,295)
Purchases of marketable securities	(170)	(128)
Proceeds from sales of marketable securities	149	104
Equity method investments	(17)	(26)
Other, net	19	(29)
Net cash flows from investing activities	(1,572)	(1,374)
Cash flows from financing activities:
Repayments of BHE senior debt	0	(450)
Proceeds from subsidiary debt	405	0
Repayments of subsidiary debt	(193)	(26)
Net (repayments of) proceeds from short-term debt	(165)	409
Distributions to noncontrolling interests	(117)	(115)
Other, net	(240)	(9)
Net cash flows from financing activities	(310)	(191)
Effect of exchange rate changes	(1)	1
Net change in cash and cash equivalents and restricted cash and cash equivalents	338	(39)
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	$ 1,582	$ 1,406