Consolidated Statements of Cash Flows - PAC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income attributable to parent	$ 2,721	$ 5,790	$ 6,943
Adjustments to reconcile net income to net cash flows from operating activities:
Allowance for equity funds	(167)	(126)	(165)
Deferred energy	(1,290)	(520)	(62)
Amortization of deferred energy	357	107	(5)
Other changes in regulatory assets and liabilities	(146)	(255)	(348)
Deferred income taxes and investment tax credits, net	(467)	646	1,880
Other, net	59	(57)	(23)
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	20	553	(1,318)
Derivative collateral, net	121	82	43
Accrued property, income and other taxes, net	397	(489)	(134)
Accounts payable and other liabilities	751	163	501
Net cash flows from operating activities	9,359	8,692	6,224
Cash flows from investing activities:
Capital expenditures	(7,505)	(6,611)	(6,765)
Other, net	12	(74)	76
Net cash flows from investing activities	(7,750)	(5,763)	(13,165)
Cash flows from financing activities:
Net repayments of short-term debt	(867)	(276)	(939)
Other, net	(274)	(70)	(162)
Net cash flows from financing activities	(1,006)	(3,131)	7,103
Net change in cash and cash equivalents and restricted cash and cash equivalents	573	(201)	177
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	1,244	1,445	1,268
Cash and cash equivalents and restricted cash and cash equivalents at end of period	1,817	1,244	1,445
PAC
Cash flows from operating activities:
Net income attributable to parent	920	888	739
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	1,120	1,088	1,209
Allowance for equity funds	(71)	(50)	(98)
Deferred energy	(482)	(159)	(1)
Amortization of deferred energy	100	67	50
Other changes in regulatory assets and liabilities	(162)	(97)	(278)
Deferred income taxes and investment tax credits, net	157	64	(124)
Other, net	13	(5)	1
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(264)	17	(169)
Inventories	0	8	(88)
Derivative collateral, net	95	19	23
Accrued property, income and other taxes, net	(46)	(37)	(53)
Accounts payable and other liabilities	439	1	372
Net cash flows from operating activities	1,819	1,804	1,583
Cash flows from investing activities:
Capital expenditures	(2,166)	(1,513)	(2,540)
Other, net	5	12	30
Net cash flows from investing activities	(2,161)	(1,501)	(2,510)
Cash flows from financing activities:
Proceeds from long-term debt	1,087	984	987
Repayments of long-term debt	(155)	(870)	(38)
Net repayments of short-term debt	0	(93)	(37)
Dividends paid	(100)	(150)	0
Other, net	(2)	(7)	(2)
Net cash flows from financing activities	830	(136)	910
Net change in cash and cash equivalents and restricted cash and cash equivalents	488	167	(17)
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	186	19	36
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 674	$ 186	$ 19