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)	$ 2,768		212				212
Other comprehensive income (loss)	(448)	$ (448)	1					1
Dividends declared			(100)				(100)
Balance at Jun. 30, 2022			10,026	2	0	4,479	5,561	(16)
Balance at Mar. 31, 2022			10,044	2	0	4,479	5,579	(16)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	2,897		82				82
Other comprehensive income (loss)	(430)	(430)
Dividends declared			(100)				(100)
Balance at Jun. 30, 2022			10,026	2	0	4,479	5,561	(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)	2,064		(14)				(14)
Other comprehensive income (loss)	304	304
Dividends declared			(300)				(300)
Balance at Jun. 30, 2023	49,183		10,427	2	0	4,479	5,955	(9)
Balance at Mar. 31, 2023			10,321	2	0	4,479	5,849	(9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,075		106				106
Other comprehensive income (loss)	264	$ 264
Balance at Jun. 30, 2023	$ 49,183		$ 10,427	$ 2	$ 0	$ 4,479	$ 5,955	$ (9)