Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income	$ 2,458	$ 2,305
Adjustments to reconcile net income to net cash flows from operating activities:
(Losses) gains on marketable securities, net	(296)	(336)
Depreciation and amortization	2,278	2,147
Allowance for equity funds	(126)	(75)
Equity loss (income), net of distributions	43	17
Changes in regulatory assets and liabilities	108	263
Deferred income taxes and amortization of investment tax credits	(92)	(116)
Other, net	44	40
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(594)	(192)
Derivative collateral, net	(19)	9
Pension and other postretirement benefit plans	(40)	(61)
Accrued property, income and other taxes, net	195	190
Accounts payable and other liabilities	109	168
Net cash flows from operating activities	4,660	5,031
Cash flows from investing activities:
Capital expenditures	(4,898)	(4,203)
Acquisitions, net of cash acquired	(28)	(105)
Purchases of marketable securities	242	287
Proceeds from sales of marketable securities	223	266
Equity method investments	(1,144)	(236)
Other, net	54	48
Net cash flows from investing activities	(6,035)	(4,517)
Cash flows from financing activities:
Proceeds from BHE senior debt	0	3,166
Repayments of Unsecured Debt	0	(650)
Common stock repurchases	(293)	(107)
Proceeds from subsidiary debt	3,463	2,353
Repayments of subsidiary debt	(1,821)	(2,297)
Net proceeds from (repayments of) short-term debt	594	(2,694)
Business acquisition, acquisition of remaining noncontrolling interest	0	131
Other, net	(42)	(32)
Net cash flows from financing activities	1,901	(392)
Effect of exchange rate changes	(3)	(3)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Start	883	1,283
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, End of Period	1,406	1,402
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	$ 523	$ 119

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