Consolidated Statements of Changes in Equity - PAC - USD ($) $ in Millions	Total	Accumulated Other Comprehensive Income (Loss)	PAC	PAC Preferred Stock	PAC Common Stock	PAC Additional Paid-in Capital	PAC Retained Earnings	PAC Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2021			$ 9,913	$ 2	$ 0	$ 4,479	$ 5,449	$ (17)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 2,721		920				920
Other comprehensive income (loss)	(806)	$ (809)	8					8
Dividends declared			(100)				(100)
Balance at Dec. 31, 2022			10,741	2	0	4,479	6,269	(9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	3,020		(468)				(468)
Other comprehensive income (loss)	246	246	(1)					(1)
Dividends declared			(300)				(300)
Balance at Dec. 31, 2023	48,434		9,972	2	0	4,479	5,501	(10)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	4,300		539				539
Other comprehensive income (loss)	(437)	$ (437)	1					1
Balance at Dec. 31, 2024	$ 50,009		$ 10,512	$ 2	$ 0	$ 4,479	$ 6,040	$ (9)