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Statements of Consolidated Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 942	$ 473	$ (106)	$ (1,318)
Other comprehensive income (loss), net of tax:
Employee benefit plans	0	(9)	9	17
Investments and other	(20)	(1)	(31)	(2)
Total other comprehensive income (loss), net of tax	(20)	(10)	(22)	15
Total comprehensive income (loss), net	$ 922	$ 463	$ (128)	$ (1,303)

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