Consolidated Statements of Cash Flows (Unaudited) - MidAmerican Funding LLC - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ 4,207	$ 4,628
Adjustments to reconcile net income to net cash flows from operating activities:
Allowance for equity funds	(90)	(122)
Deferred income taxes and investment tax credits, net	661	791
Other, net	(88)	(6)
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(13)	(1,668)
Pension and other postretirement benefit plans	(37)	(69)
Accrued property, income and other taxes, net	(29)	97
Accounts payable and other liabilities	427	796
Net cash flows from operating activities	6,984	4,520
Cash flows from investing activities:
Capital expenditures	(4,594)	(4,607)
Purchases of marketable securities	(243)	(322)
Proceeds from sales of marketable securities	222	308
Other, net	(91)	37
Net cash flows from investing activities	(3,528)	(6,633)
Cash flows from financing activities:
Other, net	(44)	(52)
Net cash flows from financing activities	(1,960)	2,937
Net change in cash and cash equivalents and restricted cash and cash equivalents	1,497	828
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	1,445	1,268
Cash and cash equivalents and restricted cash and cash equivalents at end of period	2,942	2,096
MidAmerican Funding, LLC
Cash flows from operating activities:
Net income (loss)	728	695
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	634	531
Amortization of utility plant to other operating expenses	26	25
Allowance for equity funds	(25)	(33)
Deferred income taxes and investment tax credits, net	121	79
Settlements of asset retirement obligations	(51)	(55)
Other, net	42	(1)
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(331)	(16)
Inventories	34	(40)
Pension and other postretirement benefit plans	2	(17)
Accrued property, income and other taxes, net	80	(13)
Accounts payable and other liabilities	16	44
Net cash flows from operating activities	1,276	1,199
Cash flows from investing activities:
Capital expenditures	(1,266)	(1,341)
Purchases of marketable securities	(166)	(251)
Proceeds from sales of marketable securities	163	244
Other, net	(7)	10
Net cash flows from investing activities	(1,276)	(1,338)
Cash flows from financing activities:
Proceeds from long-term debt	492	0
Repayments of long-term debt	(1)	0
Net change in note payable to affiliate	13	13
Other, net	(1)	(1)
Net cash flows from financing activities	503	12
Net change in cash and cash equivalents and restricted cash and cash equivalents	503	(127)
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	46	331
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 549	$ 204