Consolidated Statements of Comprehensive Income - PAC - 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
PAC
Net income attributable to parent	920	888	739
Other comprehensive (loss) income, net of tax:
Unrecognized amounts on retirement benefits, net of tax	8	2	(3)
Comprehensive income (loss) attributable to parent	$ 928	$ 890	$ 736