SCHEDULE II - CONDENSED FINANCIAL INFORMATION OF REGISTRANT - Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Derivative investments	$ 6,474	$ 3,594
Other investments	5,015	3,739
Cash and invested cash	3,365	3,343	$ 2,612	$ 1,708
Other assets	9,311	6,778
Total assets	372,413	334,331
Liabilities
Short-term debt	250	500
Long-term debt	5,699	5,955
Other liabilities	7,350	6,356
Total liabilities	365,520	329,229
Contingencies and Commitments
Stockholders’ Equity
Common stock	4,605	4,544
Retained earnings	4,778	5,924
Accumulated other comprehensive income (loss)	(3,476)	(6,352)
Total stockholders’ equity	6,893	5,102	19,915
Total liabilities and stockholders’ equity	372,413	334,331
Series C Preferred Stock
Stockholders’ Equity
Preferred stock	493	493
Series D Preferred Stock
Stockholders’ Equity
Preferred stock	493	493
Parent Company
ASSETS
Investments in subsidiaries	12,205	9,782
Derivative investments	169	119
Other investments	34	92
Cash and invested cash	129	715	$ 203	$ 114
Loans and accrued interest to subsidiaries	2,606	2,491
Other assets	144	101
Total assets	15,287	13,300
Liabilities
Common stock dividends payable	76	76
Short-term debt	250	500
Long-term debt	6,949	6,455
Loans from subsidiaries	572	679
Other liabilities	547	488
Total liabilities	8,394	8,198
Contingencies and Commitments
Stockholders’ Equity
Common stock	4,605	4,544
Retained earnings	4,778	5,924
Accumulated other comprehensive income (loss)	(3,476)	(6,352)
Total stockholders’ equity	6,893	5,102
Total liabilities and stockholders’ equity	15,287	13,300
Parent Company | Series C Preferred Stock
Stockholders’ Equity
Preferred stock	493	493
Parent Company | Series D Preferred Stock
Stockholders’ Equity
Preferred stock	$ 493	$ 493