Consolidated Statements of Cash Flows (Unaudited) - PHI - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities
Net income	$ 1,711	$ 1,739
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	2,616	2,679
Deferred income taxes and amortization of investment tax credits	210	256
Other non-cash operating activities	(237)	265
Changes in assets and liabilities:
Accounts receivable	82	(1,049)
Inventories	(8)	(121)
Accounts payable and accrued expenses	(454)	823
Collateral (paid) received, net	(183)	1,456
Income taxes	50	3
Regulatory assets and liabilities, net	(395)	(689)
Pension and non-pension postretirement benefit contributions	(97)	(596)
Other assets and liabilities	(24)	(786)
Net cash flows provided by operating activities	3,292	4,141
Cash flows from investing activities
Capital expenditures	(5,540)	(5,179)
Other investing activities	25	36
Net cash flows used in investing activities	(5,515)	(4,986)
Cash flows from financing activities
Changes in short-term borrowings	(1,116)	(335)
Issuance of long-term debt	5,300	5,801
Retirement of long-term debt	(1,209)	(2,067)
Other financing activities	(101)	(121)
Net cash flows provided by financing activities	2,080	499
(Decrease) increase in cash, restricted cash, and cash equivalents	(143)	(346)
Cash, restricted cash, and cash equivalents at beginning of period	1,090	1,619
Cash, restricted cash, and cash equivalents at end of period	947	1,273
Supplemental cash flow information
Decrease in capital expenditures not paid	(169)	(147)
Pepco Holdings LLC
Cash flows from operating activities
Net income	490	518
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	741	697
Deferred income taxes and amortization of investment tax credits	44	(2)
Other non-cash operating activities	80	112
Changes in assets and liabilities:
Accounts receivable	(160)	(143)
Receivables from and payables to affiliates, net	(8)	(49)
Inventories	(22)	(35)
Accounts payable and accrued expenses	23	(15)
Collateral (paid) received, net	(191)	230
Income taxes	37	(3)
Regulatory assets and liabilities, net	(2)	(82)
Pension and non-pension postretirement benefit contributions	(15)	(75)
Other assets and liabilities	(98)	(71)
Net cash flows provided by operating activities	919	1,082
Cash flows from investing activities
Capital expenditures	(1,510)	(1,174)
Other investing activities	8	5
Net cash flows used in investing activities	(1,502)	(1,169)
Cash flows from financing activities
Changes in short-term borrowings	(241)	(468)
Issuance of long-term debt	550	925
Retirement of long-term debt	0	(310)
Changes in Exelon intercompany money pool	18	36
Distributions to member	(410)	(625)
Contributions from member	475	787
Other financing activities	(36)	(18)
Net cash flows provided by financing activities	356	327
(Decrease) increase in cash, restricted cash, and cash equivalents	(227)	240
Cash, restricted cash, and cash equivalents at beginning of period	373	213
Cash, restricted cash, and cash equivalents at end of period	146	453
Supplemental cash flow information
Decrease in capital expenditures not paid	$ (96)	$ (8)