Consolidated Statements of Cash Flows - MidAmerican Funding LLC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income (loss)	$ 4,300	$ 3,020	$ 2,721
Adjustments to reconcile net income to net cash flows from operating activities:
Allowance for equity funds	(352)	(267)	(167)
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
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
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)
Purchases of marketable securities	(354)	(314)	(574)
Proceeds from sales of marketable securities	2,615	2,520	2,464
Other investment proceeds	1,975	1,809	0
Other, net	44	21	(22)
Net cash flows from investing activities	(6,035)	(5,899)	(7,750)
Cash flows from financing activities:
Proceeds from subsidiary debt	6,358	4,084	2,887
Repayments of subsidiary debt	(2,794)	(2,821)	(1,494)
Other, net	(37)	(54)	(274)
Net cash flows from financing activities	(2,620)	(1,250)	(1,006)
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
MidAmerican Funding, LLC
Cash flows from operating activities:
Net income (loss)	991	980	947
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	1,001	908	1,168
Amortization of utility plant to other operating expenses	35	34	35
Allowance for equity funds	(65)	(59)	(51)
Deferred income taxes and investment tax credits, net	81	90	33
Settlements of asset retirement obligations	(1)	(21)	(85)
Other, net	20	33	52
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	16	254	(11)
Inventories	(5)	(87)	(43)
Pension and other postretirement benefit plans	2	3	8
Accrued property, income and other taxes, net	(18)	77	40
Accounts payable and other liabilities	(90)	(9)	68
Net cash flows from operating activities	1,967	2,203	2,161
Cash flows from investing activities:
Capital expenditures	(1,704)	(1,833)	(1,869)
Purchases of marketable securities	(327)	(243)	(499)
Proceeds from sales of marketable securities	313	227	492
Other investment proceeds	12	12	2
Other, net	15	12	6
Net cash flows from investing activities	(1,691)	(1,825)	(1,868)
Cash flows from financing activities:
Distributions	(425)	(1,025)	(69)
Proceeds from subsidiary debt	592	1,338	0
Repayments of subsidiary debt	(539)	(317)	(2)
Notes payable to affiliate, net	13	0	(189)
Other, net	(2)	(2)	(2)
Net cash flows from financing activities	(361)	(6)	(262)
Net change in cash and cash equivalents and restricted cash and cash equivalents	(85)	372	31
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	643	271	240
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 558	$ 643	$ 271