Consolidated Statements of Cash Flows - PAC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income (loss)	$ 3,020	$ 2,721	$ 5,790
Adjustments to reconcile net income to net cash flows from operating activities:
Allowance for equity funds	(267)	(167)	(126)
Net power cost deferrals	(629)	(1,290)	(520)
Amortization of deferred energy	354	357	107
Other changes in regulatory assets and liabilities	(260)	(146)	(255)
Deferred income taxes and investment tax credits, net	(257)	(467)	646
Other, net	(46)	59	(57)
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(134)	150	553
Derivative collateral, net	(226)	121	82
Accrued property, income and other taxes, net	(58)	397	(489)
Accounts payable and other liabilities	280	579	163
Wildfires insurance receivable	(253)	(130)	0
Wildfires liability	1,300	172	0
Net cash flows from operating activities	7,132	9,359	8,692
Cash flows from investing activities:
Capital expenditures	(9,148)	(7,505)	(6,611)
Other, net	17	(28)	(94)
Net cash flows from investing activities	(5,899)	(7,750)	(5,763)
Cash flows from financing activities:
Net proceeds from (repayments of) short-term debt	3,024	(867)	(276)
Other, net	(54)	(274)	(70)
Net cash flows from financing activities	(1,250)	(1,006)	(3,131)
Net change in cash and cash equivalents and restricted cash and cash equivalents	(6)	573	(201)
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	1,817	1,244	1,445
Cash and cash equivalents and restricted cash and cash equivalents at end of period	1,811	1,817	1,244
PAC
Cash flows from operating activities:
Net income (loss)	(468)	920	888
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	1,126	1,120	1,088
Allowance for equity funds	(144)	(71)	(50)
Net power cost deferrals	(760)	(482)	(159)
Amortization of deferred energy	231	100	67
Other changes in regulatory assets and liabilities	(161)	(162)	(97)
Deferred income taxes and investment tax credits, net	(224)	157	64
Other, net	11	13	(5)
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(38)	(88)	15
Inventories	(58)	0	8
Prepaid expenses	(91)	(46)	2
Derivative collateral, net	(100)	95	19
Accrued property, income and other taxes, net	(40)	(46)	(37)
Accounts payable and other liabilities	370	267	1
Wildfires insurance receivable	(253)	(130)	0
Wildfires liability	1,299	172	0
Net cash flows from operating activities	700	1,819	1,804
Cash flows from investing activities:
Capital expenditures	(3,226)	(2,166)	(1,513)
Other, net	5	5	12
Net cash flows from investing activities	(3,221)	(2,161)	(1,501)
Cash flows from financing activities:
Proceeds from long-term debt	1,189	1,087	984
Repayments of long-term debt	(449)	(155)	(870)
Net proceeds from (repayments of) short-term debt	1,604	0	(93)
Dividends paid	(300)	(100)	(150)
Other, net	(5)	(2)	(7)
Net cash flows from financing activities	2,039	830	(136)
Net change in cash and cash equivalents and restricted cash and cash equivalents	(482)	488	167
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	674	186	19
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 192	$ 674	$ 186