CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash Flows from Operating Activities
Net income	$ 634	$ 735
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and decommissioning	1,097	1,022
Bad debt expense	100	70
Allowance for equity funds used during construction	(48)	(39)
Deferred income taxes and tax credits, net	162	239
Wildfire Fund expense	76	78
Other	(38)	(101)
Effect of changes in operating assets and liabilities:
Accounts receivable	37	(341)
Wildfire-related insurance receivable	(5)	75
Inventories	31	49
Accounts payable	91	608
Wildfire-related claims	(166)	(253)
Other current assets and liabilities	73	(585)
Regulatory assets, liabilities, and balancing accounts, net	922	666
Other noncurrent assets and liabilities	(118)	38
Net cash provided by operating activities	2,848	2,261
Cash Flows from Investing Activities
Capital expenditures	(2,635)	(2,638)
Proceeds from sales and maturities of nuclear decommissioning trust investments	278	457
Purchases of nuclear decommissioning trust investments	(317)	(484)
Proceeds from sales and maturities of customer credit trust investments	99	81
Purchases of customer credit investments	(669)	(350)
Proceeds from self-insurance investments	33	0
Purchases of self-insurance investments	(58)	0
Other	5	4
Net cash used in investing activities	(3,264)	(2,930)
Cash Flows from Financing Activities
Borrowings under credit facilities	0	2,458
Repayments under credit facilities	0	(3,612)
Proceeds from issuance of long-term debt, net of premium, discount and issuance costs of $15 and $9 at respective dates	1,735	2,259
Repayments of long-term debt	0	(450)
Common stock dividends paid	(55)	(21)
Mandatory convertible preferred stock dividends paid	(23)	0
Proceeds from DWR loan	0	232
Other	(24)	(86)
Net cash provided by financing activities	1,609	757
Net change in cash, cash equivalents, restricted cash, and restricted cash equivalents	1,193	88
Cash, cash equivalents, restricted cash, and restricted cash equivalents at January 1	1,213	932
Cash, cash equivalents, restricted cash, and restricted cash equivalents at March 31	2,406	1,020
Less: Restricted cash and restricted cash equivalents	(383)	(362)
Cash and cash equivalents at March 31	2,023	658
Supplemental disclosures of cash flow information Cash paid for:
Interest, net of amounts capitalized	(707)	(712)
Supplemental disclosures of noncash investing and financing activities
Capital expenditures financed through accounts payable	904	666
Operating lease liabilities arising from obtaining ROU assets	3	1
Financing lease liabilities arising from obtaining ROU assets	0	12
DWR loan forgiveness and performance-based disbursements	74	34
Common Stock
Supplemental disclosures of noncash investing and financing activities
Dividends declared but not yet paid	55	21
Mandatory convertible preferred stock
Supplemental disclosures of noncash investing and financing activities
Dividends declared but not yet paid	24	0
AB 1054 Recovery Bonds
Cash Flows from Financing Activities
Repayment of AB 1054 recovery bonds	$ (24)	$ (23)