CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,908	$ 1,316
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,088	994
Deferred income taxes and investment tax credits	323	379
Equity earnings	(607)	(701)
Foreign currency transaction (gains) losses, net	(4)	22
Share-based compensation expense	31	32
Fixed-price contracts and other derivatives	(569)	122
Other	205	101
Net change in working capital components	1,474	(3)
Insurance receivable for Aliso Canyon costs	0	16
Distributions from investments	402	403
Changes in other noncurrent assets and liabilities, net	(514)	(317)
Net cash provided by operating activities	3,737	2,364
CASH FLOWS FROM INVESTING ACTIVITIES
Expenditures for property, plant and equipment	(4,282)	(2,361)
Expenditures for investments	(184)	(181)
Purchases of nuclear decommissioning and other trust assets	(322)	(397)
Proceeds from sales of nuclear decommissioning and other trust assets	356	397
Other	11	7
Net cash used in investing activities	(4,421)	(2,535)
CASH FLOWS FROM FINANCING ACTIVITIES
Common dividends paid	(734)	(711)
Preferred dividends paid	(22)	(22)
Issuances of common stock	0	3
Repurchases of common stock	(31)	(476)
Issuances of debt (maturities greater than 90 days)	5,614	4,818
Payments on debt (maturities greater than 90 days) and finance leases	(3,392)	(1,543)
Decrease in short-term debt, net	(388)	(2,011)
Advances from unconsolidated affiliates	14	18
Proceeds from sales of noncontrolling interests	265	1,732
Distributions to noncontrolling interests	(252)	(106)
Contributions from noncontrolling interests	543	13
Settlement of cross-currency swaps	(99)	0
Other	(61)	(30)
Net cash provided by financing activities	1,457	1,685
Effect of exchange rate changes on cash, cash equivalents and restricted cash	7	(2)
Increase in cash, cash equivalents and restricted cash	780	1,512
Cash, cash equivalents and restricted cash, January 1	462	581
Cash, cash equivalents and restricted cash, June 30	1,242	2,093
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Interest payments, net of amounts capitalized	612	466
Income tax payments, net of refunds	120	233
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Repayment of advances from unconsolidated affiliate in lieu of distribution	36	32
Accrued capital expenditures	863	476
Contributions from NCI	186	0
Increase in finance lease obligations for investment in PP&E	36	22
(Decrease) increase in ARO for investment in PP&E	(46)	55
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	$ 375	$ 359