CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 3,500	$ 3,618	$ 2,285
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,437	2,227	2,019
Deferred income taxes and investment tax credits	(20)	249	392
Equity earnings	(1,609)	(1,481)	(1,498)
Share-based compensation expense	86	80	71
Fixed-price contracts and other derivatives	(197)	(666)	863
Bad debt expense	209	458	122
Other	20	(14)	56
Net change in working capital components:
Accounts receivable	118	168	(976)
Due to/from unconsolidated affiliates, net	30	26	(31)
Income taxes receivable/payable, net	(49)	142	(29)
Inventories	(74)	(80)	(17)
Other current assets	(30)	11	(1,608)
Accounts payable	(131)	(270)	430
Regulatory balancing accounts, net	(456)	260	36
Reserve for Aliso Canyon costs	(12)	(98)	(1,851)
Other current liabilities	142	1,270	228
Insurance receivable for Aliso Canyon costs	0	0	360
Distributions from investments	1,093	912	854
Changes in other noncurrent assets and liabilities, net	(150)	(594)	(564)
Net cash provided by operating activities	4,907	6,218	1,142
Net cash used in investing activities
Expenditures for property, plant and equipment	(8,215)	(8,397)	(5,357)
Expenditures for investments	(988)	(382)	(376)
Return on investments	9	0	0
Purchases of nuclear decommissioning and other trust assets	(889)	(610)	(700)
Proceeds from sales of nuclear decommissioning and other trust assets	942	661	762
Repayments of advances to unconsolidated affiliates	0	0	626
Other	23	12	6
Net cash used in investing activities	(9,118)	(8,716)	(5,039)
CASH FLOWS FROM FINANCING ACTIVITIES
Common dividends paid	(1,499)	(1,483)	(1,430)
Preferred dividends paid	(44)	(44)	(44)
Issuances of common stock, net	1,219	145	4
Repurchases of common stock	(43)	(32)	(478)
Issuances of debt (maturities greater than 90 days)	8,674	7,669	9,984
Payments on debt (maturities greater than 90 days) and finance leases	(3,339)	(6,294)	(4,510)
(Decrease) increase in short-term debt, net	(557)	552	(1,266)
Advances from unconsolidated affiliates	85	31	28
Proceeds from sales of noncontrolling interests, net	0	1,219	1,732
Distributions to noncontrolling interests	(297)	(730)	(237)
Contributions from noncontrolling interests	1,235	1,570	31
Termination of interest rate and settlement of cross-currency swaps	46	(99)	0
Other	(56)	(85)	(35)
Net cash provided by financing activities	5,424	2,419	3,779
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(13)	6	(1)
Increase (decrease) in cash, cash equivalents and restricted cash	1,200	(73)	(119)
Cash, cash equivalents and restricted cash, January 1	389	462	581
Cash, cash equivalents and restricted cash, December 31	1,589	389	462
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Interest payments, net of amounts capitalized	1,205	1,172	1,014
Income tax payments, net of refunds	289	197	284
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Accrued interest receivable capitalized to note receivable	17	16	16
Repayments of advances from unconsolidated affiliate in lieu of distributions	62	36	32
Accrued capital expenditures for PP&E	1,181	1,052	590
Capital expenditures reclassed from assets to PP&E	53	18	5
Increase in finance lease obligations capitalized to PP&E	41	57	57
Amortized debt issuance costs capitalized to PP&E	13	4	0
Unamortized debt issuance costs reclassed from assets to debt	27	9	0
Accrued interest payable capitalized to due to unconsolidated affiliate	16	0	0
Increase in ARO capitalized to PP&E	1	33	91
Common dividends issued in stock	54	0	0
Net exercise of stock options	9	0	0
Contributions from NCI	0	200	0
Common Stock
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Dividends declared but not paid	393	376	360
Preferred stock
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Dividends declared but not paid	$ 11	$ 11	$ 11