Consolidated Statements of Operations - EGTS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues	$ 26,337	$ 25,150	$ 20,952
Operating expenses:
Total operating expenses	21,096	19,823	16,661
Operating income	5,241	5,327	4,291
Other income (expense):
Interest expense	(2,216)	(2,118)	(2,021)
Allowance for borrowed funds	76	64	80
Allowance for equity funds	167	126	165
Other, net	(7)	(17)	88
Total other income (expense)	(3,828)	(33)	3,180
Income tax (benefit) expense	(1,916)	(1,132)	308
Net income (loss) attributable to parent	2,721	5,790	6,943
EGTS
Revenues	973	891	916
Operating expenses:
(Excess) cost of gas	(33)	13	21
Operations and maintenance	364	376	392
Depreciation and amortization	152	166	163
Property and other taxes	54	62	53
Disallowance and abandonment of utility plant	0	(11)	525
Total operating expenses	537	606	1,154
Operating income	436	285	(238)
Other income (expense):
Interest expense	(69)	(78)	(89)
Allowance for borrowed funds	1	2	5
Allowance for equity funds	4	6	12
Other, net	(2)	2	62
Total other income (expense)	(66)	(68)	(10)
Income (loss) before income tax expense (benefit)	370	217	(248)
Income tax (benefit) expense	109	61	(67)
Net income (loss) attributable to parent	$ 261	$ 156	$ (181)