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, 2020			$ 9,173	$ 2	$ 0	$ 4,479	$ 4,711	$ (19)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 5,790		888				888
Other comprehensive income (loss)	217	$ 212	2					2
Dividends declared			(150)				(150)
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	46,832		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)