Consolidated Statements of Comprehensive Income - EGTS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net income attributable to parent	$ 2,721	$ 5,790	$ 6,943
Other comprehensive (loss) income, net of tax:
Unrecognized amounts on retirement benefits, net of tax	(72)	174	(65)
Comprehensive income (loss) attributable to parent	1,912	6,002	7,097
EGTS
Net income attributable to parent	261	156	(181)
Other comprehensive (loss) income, net of tax:
Unrealized gains (losses) on cash flow hedges, net of tax	1	(31)	0
Unrecognized amounts on retirement benefits, net of tax	0	0	77
Total other comprehensive (loss) income, net of tax	1	(31)	77
Comprehensive income (loss) attributable to parent	$ 262	$ 125	$ (104)