CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 881	$ 1,172
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	594	539
Deferred income taxes and investment tax credits	137	253
Equity earnings	(348)	(219)
Share-based compensation expense	21	17
Fixed-price contracts and other derivatives	16	(374)
Bad debt expense	42	114
Other	7	27
Net change in working capital components	319	451
Distributions from investments	232	199
Changes in other noncurrent assets and liabilities, net	(50)	(199)
Net cash provided by operating activities	1,851	1,980
CASH FLOWS FROM INVESTING ACTIVITIES
Expenditures for property, plant and equipment	(1,933)	(1,830)
Expenditures for investments	(193)	(85)
Purchases of nuclear decommissioning and other trust assets	(197)	(181)
Proceeds from sales of nuclear decommissioning and other trust assets	217	199
Other	(1)	2
Net cash used in investing activities	(2,107)	(1,895)
CASH FLOWS FROM FINANCING ACTIVITIES
Common dividends paid	(362)	(360)
Issuances of common stock	10	0
Repurchases of common stock	(40)	(31)
Issuances of debt (maturities greater than 90 days)	2,044	1,986
Payments on debt (maturities greater than 90 days) and finance leases	(846)	(1,803)
(Decrease) increase in short-term debt, net	(498)	168
Advances from unconsolidated affiliates	45	14
Proceeds from sale of noncontrolling interests	0	265
Distributions to noncontrolling interests	(111)	(43)
Contributions from noncontrolling interests	474	97
Settlement of cross-currency swaps	0	(99)
Other	(16)	(43)
Net cash provided by financing activities	700	151
Effect of exchange rate changes on cash, cash equivalents and restricted cash	1	5
Increase in cash, cash equivalents and restricted cash	445	241
Cash, cash equivalents and restricted cash, January 1	389	462
Cash, cash equivalents and restricted cash, March 31	834	703
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Interest payments, net of amounts capitalized	274	305
Income tax payments, net of refunds	25	50
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Repayments of advances from unconsolidated affiliate in lieu of distributions	62	0
Accrued capital expenditures	915	1,171
Increase in finance lease obligations for investment in PP&E	7	17
Common dividends issued in stock	14	0
Preferred stock
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Dividends declared but not paid	11	11
Common stock
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Dividends declared but not paid	$ 392	$ 374