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, 2020			$ 9,173	$ 2	$ 0	$ 4,479	$ 4,711	$ (19)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 2,285		394				394
Other comprehensive income (loss)	196	$ 192
Balance at Jun. 30, 2021			9,567	2	0	4,479	5,105	(19)
Balance at Mar. 31, 2021			9,342	2	0	4,479	4,880	(19)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	2,281		225				225
Other comprehensive income (loss)	84	80
Balance at Jun. 30, 2021			9,567	2	0	4,479	5,105	(19)
Balance at Dec. 31, 2021	46,694		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	47,304		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	$ 47,304		$ 10,026	$ 2	$ 0	$ 4,479	$ 5,561	$ (16)