Consolidated Statements of Cash Flows (Unaudited) - EGTS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income (loss)	$ 2,558	$ 1,926
Adjustments to reconcile net (loss) income to net cash flows from operating activities:
Depreciation and amortization	3,072	3,197
Allowance for equity funds	(186)	(123)
Deferred income taxes	(172)	(350)
Other, net	(62)	53
Changes in other operating assets and liabilities:
Trade receivables and other assets	(224)	(85)
Accrued property, income and other taxes	(52)	501
Accounts payable and other liabilities	512	900
Net cash flows from operating activities	5,860	7,939
Cash flows from investing activities:
Capital expenditures	(6,526)	(5,385)
Other, net	13	(28)
Net cash flows from investing activities	(3,222)	(5,469)
Cash flows from financing activities:
Net cash flows from financing activities	(2,074)	(1,605)
Net change in cash and cash equivalents and restricted cash and cash equivalents	566	814
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	1,817	1,244
Cash and cash equivalents and restricted cash and cash equivalents at end of period	2,383	2,058
EGTS
Cash flows from operating activities:
Net income (loss)	171	207
Adjustments to reconcile net (loss) income to net cash flows from operating activities:
(Gains) losses on other items, net	(8)	1
Depreciation and amortization	112	115
Allowance for equity funds	(4)	(3)
Other changes in regulatory assets and liabilities	(79)	35
Deferred income taxes	50	58
Other, net	(5)	5
Changes in other operating assets and liabilities:
Trade receivables and other assets	35	34
Receivables from affiliates	5	3
Gas balancing activities	26	(47)
Accrued property, income and other taxes	(21)	(1)
Accounts payable and other liabilities	24	34
Accounts payable to affiliates	11	7
Net cash flows from operating activities	317	448
Cash flows from investing activities:
Capital expenditures	(163)	(179)
Proceeds from assignment of shale development rights	8	0
Repayment of notes by affiliates	0	11
Notes to affiliates	0	(8)
Other, net	(4)	(9)
Net cash flows from investing activities	(159)	(185)
Cash flows from financing activities:
Net change in note payable to affiliate	(21)	(53)
Dividends paid	(141)	(172)
Net cash flows from financing activities	(162)	(225)
Net change in cash and cash equivalents and restricted cash and cash equivalents	(4)	38
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	45	26
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 41	$ 64