Separate Accounts (Net Amount at Risk and Cash Surrender Values) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net Amount at Risk by Product and Guarantee [Line Items]
Policyholder Account Balance	$ 87,174	$ 87,162
Separate account liabilities	78,825	79,006
Universal Life Insurance
Net Amount at Risk by Product and Guarantee [Line Items]
Policyholder Account Balance	2,077	2,028	$ 1,980	$ 2,100
Separate account liabilities	2,687	2,484	2,276
Total account balances	4,764	4,512	4,256
Net amount at risk	19,904	20,958	22,214
Cash surrender value	4,553	4,303	4,049
Variable Annuities
Net Amount at Risk by Product and Guarantee [Line Items]
Policyholder Account Balance	3,264	3,667	4,111	4,664
Separate account liabilities	73,416	74,483	77,086	74,845
Total account balances	76,680	78,150	81,197
Net amount at risk	11,864	12,757	13,156
Cash surrender value	76,347	77,761	80,756
Index-linked Annuities
Net Amount at Risk by Product and Guarantee [Line Items]
Policyholder Account Balance	52,594	48,605	41,627	33,897
Separate account liabilities	0	0	0
Total account balances	52,594	48,605	41,627
Cash surrender value	52,999	47,013	39,270
Fixed Rate Annuities
Net Amount at Risk by Product and Guarantee [Line Items]
Policyholder Account Balance	13,252	14,665	14,672	14,274
Separate account liabilities	0	0	0
Total account balances	13,252	14,665	14,672
Cash surrender value	13,275	14,361	14,068
ULSG
Net Amount at Risk by Product and Guarantee [Line Items]
Policyholder Account Balance	4,461	4,779	5,052	5,307
Separate account liabilities	0	0	0
Total account balances	4,461	4,779	5,052
Net amount at risk	61,647	63,580	65,299
Cash surrender value	4,074	4,316	4,498
Company-Owned Life Insurance
Net Amount at Risk by Product and Guarantee [Line Items]
Policyholder Account Balance	646	1,166	653	641
Separate account liabilities	2,447	1,799	2,148	$ 1,919
Total account balances	3,093	2,965	2,801
Net amount at risk	2,603	2,649	2,644
Cash surrender value	$ 2,891	$ 2,134	$ 2,579