Consolidated Statements of Operations - EGTS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues	$ 25,602	$ 26,337	$ 25,150
Operating expenses:
Total operating expenses	22,822	21,096	19,823
Operating income	2,780	5,241	5,327
Other income (expense):
Interest expense	(2,415)	(2,216)	(2,118)
Allowance for borrowed funds	132	76	64
Allowance for equity funds	267	167	126
Other, net	116	(7)	(17)
Total other income (expense)	(819)	(3,828)	(33)
Income tax expense (benefit)	(1,699)	(1,916)	(1,132)
Net income attributable to parent	3,020	2,721	5,790
EGTS
Revenues	1,024	973	891
Operating expenses:
Cost of (excess) gas	38	(33)	13
Operations and maintenance	404	364	376
Depreciation and amortization	151	152	166
Property and other taxes	50	54	62
Disallowance and abandonment of utility plant	0	0	(11)
Total operating expenses	643	537	606
Operating income	381	436	285
Other income (expense):
Interest expense	(71)	(69)	(78)
Allowance for borrowed funds	1	1	2
Allowance for equity funds	5	4	6
Other, net	1	(2)	2
Total other income (expense)	(64)	(66)	(68)
Income (loss) before income tax expense (benefit)	317	370	217
Income tax expense (benefit)	79	109	61
Net income attributable to parent	$ 238	$ 261	$ 156