Consolidated Statements of Cash Flows (Unaudited) - PECO - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities
Net income	$ 658	$ 669
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation, amortization, and accretion	880	860
Gain (Loss) on Sale of Assets and Asset Impairment Charges	(2)	0
Deferred income taxes and amortization of investment tax credits	46	113
Other non-cash operating activities	39	(138)
Changes in assets and liabilities:
Accounts receivable	(309)	106
Inventories	12	102
Accounts payable and accrued expenses	(238)	(482)
Income taxes	21	23
Regulatory assets and liabilities, net	252	(324)
Pension and non-pension postretirement benefit contributions	(111)	(44)
Other assets and liabilities	(264)	(187)
Net cash flows provided by operating activities	992	484
Cash flows from investing activities
Capital expenditures	(1,767)	(1,881)
Other investing activities	(2)	10
Net cash flows used in investing activities	(1,767)	(1,871)
Cash flows from financing activities
Changes in short-term borrowings	(317)	(1,130)
Issuance of long-term debt	2,625	3,925
Retirement of long-term debt	(901)	(857)
Dividends paid on common stock	(381)	(358)
Other financing activities	(55)	(60)
Net cash flows provided by financing activities	982	1,380
Increase in cash, restricted cash, and cash equivalents	207	(7)
Cash, restricted cash, and cash equivalents at beginning of period	1,101	1,090
Cash, restricted cash, and cash equivalents at end of period	1,308	1,083
Supplemental cash flow information
Decrease in capital expenditures not paid	(117)	(201)
PECO Energy Co
Cash flows from operating activities
Net income	149	166
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation, amortization, and accretion	104	98
Gain (Loss) on Sale of Assets and Asset Impairment Charges	(2)	0
Deferred income taxes and amortization of investment tax credits	(8)	(16)
Other non-cash operating activities	20	32
Changes in assets and liabilities:
Accounts receivable	(75)	36
Receivables from and payables to affiliates, net	4	8
Inventories	19	60
Accounts payable and accrued expenses	(63)	(176)
Income taxes	19	20
Regulatory assets and liabilities, net	(20)	15
Pension and non-pension postretirement benefit contributions	(2)	0
Other assets and liabilities	(104)	(75)
Net cash flows provided by operating activities	41	168
Cash flows from investing activities
Capital expenditures	(361)	(335)
Other investing activities	2	0
Net cash flows used in investing activities	(359)	(335)
Cash flows from financing activities
Changes in short-term borrowings	(165)	(94)
Dividends paid on common stock	(100)	(101)
Contributions from parent	580	330
Net cash flows provided by financing activities	315	135
Increase in cash, restricted cash, and cash equivalents	(3)	(32)
Cash, restricted cash, and cash equivalents at beginning of period	51	68
Cash, restricted cash, and cash equivalents at end of period	48	36
Supplemental cash flow information
Decrease in capital expenditures not paid	$ 5	$ (9)