Consolidated Statements of Changes in Equity (Unaudited) - PAC - USD ($) $ in Millions	Total	Accumulated Other Comprehensive (Loss) Income, Net	PAC	PAC Preferred Stock	PAC Common Stock	PAC Additional Paid-in Capital	PAC Retained Earnings	PAC Accumulated Other Comprehensive (Loss) Income, Net
Balance at Dec. 31, 2021			$ 9,913	$ 2	$ 0	$ 4,479	$ 5,449	$ (17)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (129)		130				130
Other comprehensive income (loss)	(18)	$ (18)	1					1
Balance at Mar. 31, 2022			10,044	2	0	4,479	5,579	(16)
Balance at Dec. 31, 2022	46,832		10,741	2	0	4,479	6,269	(9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	989		(120)				(120)
Other comprehensive income (loss)	40	$ 40
Dividends declared			(300)				(300)
Balance at Mar. 31, 2023	$ 47,853		$ 10,321	$ 2	$ 0	$ 4,479	$ 5,849	$ (9)