Condensed Statements of Consolidated Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash Flows from Operating Activities:
Net income	$ 923	$ 832
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	974	987
Deferred income taxes	26	86
Gain on divestitures	(303)	(8)
Loss (gain) on equity securities	284	(40)
Loss (gain) on indexed debt securities	(381)	40
Equity in earnings of unconsolidated affiliates	0	(258)
Distributions from unconsolidated affiliates	0	116
Pension contributions	(6)	(59)
Changes in other assets and liabilities:
Accounts receivable and unbilled revenues, net	95	231
Inventory	(224)	(104)
Taxes receivable	1	68
Accounts payable	(119)	(53)
Net regulatory assets and liabilities	148	(2,309)
Other current assets and liabilities	(199)	(25)
Other non-current assets and liabilities	34	(95)
Other operating activities, net	72	74
Net cash provided by (used in) operating activities	1,325	(517)
Cash Flows from Investing Activities:
Capital expenditures	(3,079)	(2,148)
Proceeds from sale of marketable securities	702	0
Proceeds from divestitures	2,075	22
Other investing activities, net	73	22
Net cash used in investing activities	(229)	(2,104)
Cash Flows from Financing Activities:
Increase (decrease) in short-term borrowings, net	457	(27)
Payment of obligation for finance lease	(218)	0
Proceeds from (payments of) commercial paper, net	(1,620)	596
Proceeds from long-term debt	2,089	4,493
Payments of long-term debt, including make-whole premiums	(1,519)	(2,024)
Payment of debt issuance costs	(26)	(38)
Payment of dividends on Common Stock	(328)	(278)
Payment of dividends on Preferred Stock	(48)	(106)
Other financing activities, net	(7)	(6)
Net cash provided by (used in) financing activities	(1,220)	2,610
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(124)	(11)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	254	167
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 130	$ 156