CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 2,072	$ 3,500	$ 3,618
Adjustments to reconcile net income to net cash provided by operating activities:
Regulatory disallowances	651	0	0
Depreciation and amortization	2,563	2,437	2,227
Deferred income taxes and investment tax credits	533	(20)	249
Equity earnings	(1,604)	(1,609)	(1,481)
Share-based compensation expense	64	86	80
Fixed-price contracts and other derivatives	92	(197)	(666)
Bad debt expense	65	209	458
Other	(16)	20	(14)
Net change in working capital components:
Accounts receivable	(66)	118	168
Due to/from unconsolidated affiliates, net	17	30	26
Income taxes receivable/payable, net	(187)	(49)	142
Inventories	(64)	(74)	(80)
Other current assets	(296)	(30)	11
Accounts payable	(7)	(131)	(270)
Regulatory balancing accounts, net	(829)	(456)	260
Other current liabilities	177	130	1,172
Distributions from investments	1,120	1,093	912
Changes in other noncurrent assets and liabilities, net	280	(150)	(594)
Net cash provided by operating activities	4,565	4,907	6,218
Net cash used in investing activities
Expenditures for property, plant and equipment	(10,612)	(8,215)	(8,397)
Expenditures for investments	(2,015)	(988)	(382)
Return on investments	0	9	0
Purchases of nuclear decommissioning and other trust assets	(1,031)	(889)	(610)
Proceeds from sales of nuclear decommissioning and other trust assets	1,098	942	661
Other	23	23	12
Net cash used in investing activities	(12,537)	(9,118)	(8,716)
CASH FLOWS FROM FINANCING ACTIVITIES
Common dividends paid	(1,603)	(1,499)	(1,483)
Preferred dividends paid	(40)	(44)	(44)
Redemption of preferred stock	(900)	0	0
Issuances of common stock, net	32	1,219	145
Repurchases of common stock	(58)	(43)	(32)
Issuances of debt (maturities greater than 90 days)	11,282	8,674	7,669
Payments on debt (maturities greater than 90 days) and finance leases	(5,220)	(3,339)	(6,294)
Increase (decrease) in short-term debt, net	1,262	(557)	552
Advances from unconsolidated affiliates	150	85	31
Contributions from contingently redeemable noncontrolling interest, net of transaction costs	5,294	0	0
Proceeds from investor equity subscription	106	0	0
Proceeds from sales of noncontrolling interests, net	0	0	1,219
Contributions from noncontrolling interests	327	1,235	1,570
Distributions to noncontrolling interests	(609)	(297)	(730)
Termination of interest rate and settlement of cross-currency swaps	0	46	(99)
Other	(93)	(56)	(85)
Net cash (used in) provided by financing activities	9,930	5,424	2,419
Effect of exchange rate changes on cash, cash equivalents and restricted cash	5	(13)	6
(Decrease) increase in cash, cash equivalents and restricted cash	1,963	1,200	(73)
Cash, cash equivalents and restricted cash, January 1	1,589	389	462
Cash, cash equivalents and restricted cash, December 31	3,552	1,589	389
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Interest payments, net of amounts capitalized	1,449	1,205	1,172
Income tax payments, net of refunds	376	289	197
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Accrued interest receivable capitalized to note receivable	18	17	16
Repayments of advances from unconsolidated affiliate in lieu of distributions	45	62	36
Accrued capital expenditures for PP&E	1,653	1,181	1,052
Capital expenditures reclassified from other assets to PP&E	3	53	18
Increase in ARO capitalized to PP&E	11	1	33
Increase in finance lease obligations capitalized to PP&E	47	41	57
Amortized debt issuance costs capitalized to PP&E	22	13	4
Unamortized debt issuance costs reclassified from noncurrent assets to long-term debt	67	27	9
Accrued interest payable capitalized to due to unconsolidated affiliate	18	16	0
Change in equity related to allocation of interests, net of tax	1,771	0	0
Preferred deemed dividends	11	0	0
Common dividends issued in stock	52	54	0
Contributions from NCI	0	0	200
Preferred stock
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Dividends declared but not paid	0	11	11
Common Stock
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Dividends declared but not paid	$ 421	$ 393	$ 376