Consolidated Statements of Cash Flows - PAC - 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)
Net power cost deferrals	(41)	(629)	(1,290)
Amortization of deferred energy	584	354	357
Other changes in regulatory assets and liabilities	(198)	(260)	(146)
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
Derivative collateral, net	18	(226)	121
Accrued property, income and other taxes, net	144	(58)	397
Accounts payable and other liabilities	252	280	579
Wildfires insurance receivable	401	(253)	(130)
Wildfires liability	(187)	1,300	172
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)
Other, net	44	21	(22)
Net cash flows from investing activities	(6,035)	(5,899)	(7,750)
Cash flows from financing activities:
Net (repayments of) proceeds from short-term debt	(3,017)	3,024	(867)
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
PAC
Cash flows from operating activities:
Net income (loss)	539	(468)	920
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	1,152	1,126	1,120
Allowance for equity funds	(203)	(144)	(71)
Net power cost deferrals	(646)	(760)	(482)
Amortization of deferred energy	556	231	100
Other changes in regulatory assets and liabilities	(146)	(161)	(162)
Deferred income taxes and investment tax credits, net	(9)	(224)	157
Other, net	18	11	13
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(81)	(38)	(88)
Inventories	(296)	(58)	0
Prepaid expenses	(100)	(91)	(46)
Derivative collateral, net	4	(100)	95
Accrued property, income and other taxes, net	132	(40)	(46)
Accounts payable and other liabilities	23	370	267
Wildfires insurance receivable	401	(253)	(130)
Wildfires liability	(187)	1,299	172
Net cash flows from operating activities	1,157	700	1,819
Cash flows from investing activities:
Capital expenditures	(3,102)	(3,226)	(2,166)
Other, net	11	5	5
Net cash flows from investing activities	(3,091)	(3,221)	(2,161)
Cash flows from financing activities:
Proceeds from long-term debt	3,762	1,189	1,087
Repayments of long-term debt	(591)	(449)	(155)
Net (repayments of) proceeds from short-term debt	(1,364)	1,604	0
Dividends paid	0	(300)	(100)
Other, net	(4)	(5)	(2)
Net cash flows from financing activities	1,803	2,039	830
Net change in cash and cash equivalents and restricted cash and cash equivalents	(131)	(482)	488
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	192	674	186
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 61	$ 192	$ 674