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)	$ 4,207		726				726
Other comprehensive income (loss)	33	$ 29	1					1
Balance at Sep. 30, 2021			9,900	2	0	4,479	5,437	(18)
Balance at Jun. 30, 2021			9,567	2	0	4,479	5,105	(19)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,922		332				332
Other comprehensive income (loss)	(163)	(163)	1					1
Balance at Sep. 30, 2021			9,900	2	0	4,479	5,437	(18)
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)	1,926		621				621
Other comprehensive income (loss)	(1,043)	(1,043)	1					1
Dividends declared			(100)				(100)
Balance at Sep. 30, 2022	45,858		10,435	2	0	4,479	5,970	(16)
Balance at Jun. 30, 2022			10,026	2	0	4,479	5,561	(16)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(842)		409				409
Other comprehensive income (loss)	(595)	$ (595)
Balance at Sep. 30, 2022	$ 45,858		$ 10,435	$ 2	$ 0	$ 4,479	$ 5,970	$ (16)