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Fair Value - Financial Instruments Not Carried at Fair Value (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Assets
Mortgage loans		$ 24,148
Investment funds	$ 14,128	9,866
Liabilities
Policyholder Contract Deposit	173,653	156,325
Long-term Debt	3,658	2,964
Consolidated Entity, excluding Affiliated Entity
Assets
Mortgage loans	27,454	20,748
Investment funds	79	1,178
Policy Loans	347	312
Funds withheld at interest	32,880	43,907
Other investments	773	1,473
Short-term investments	2,160	139
Related Party
Assets
Mortgage loans	1,302	1,360
Investment funds	1,569	7,391
Funds withheld at interest	9,808	12,207
Other investments	303	222
Liabilities
Policyholder Contract Deposit	11,889	12,948
Variable Interest Entities
Assets
Mortgage loans	2,055	2,040
Investment funds	12,480	1,297
Other investments	101	0
Carrying Value
Assets
Total assets not carried at fair value	51,798	86,190
Liabilities
Policyholder Contract Deposit	125,101	105,293
Long-term Debt	3,658	2,964
Payables for collateral on derivatives and securities to repurchase	4,743	3,110
Funds Held under Reinsurance Agreements, Liability	360	394
Total liabilities not carried at fair value	133,862	111,761
Carrying Value | Consolidated Entity, excluding Affiliated Entity
Assets
Mortgage loans		20,731
Investment funds	79	995
Policy Loans	347	312
Funds withheld at interest	37,727	43,125
Other investments	162	1,343
Short-term investments	1,640
Carrying Value | Related Party
Assets
Mortgage loans		1,360
Investment funds	610	4,433
Funds withheld at interest	11,233	11,629
Other investments		222
Carrying Value | Variable Interest Entities
Assets
Mortgage loans		2,040
Fair Value
Assets
Total assets not carried at fair value	51,798	86,719
Liabilities
Policyholder Contract Deposit	111,608	108,621
Long-term Debt	2,893	3,295
Payables for collateral on derivatives and securities to repurchase	4,743	3,110
Funds Held under Reinsurance Agreements, Liability	360	394
Total liabilities not carried at fair value	119,604	115,420
Fair Value | Consolidated Entity, excluding Affiliated Entity
Assets
Mortgage loans		21,138
Investment funds	79	995
Policy Loans	347	312
Funds withheld at interest	37,727	43,125
Other investments	162	1,343
Short-term investments	1,640
Fair Value | Related Party
Assets
Mortgage loans		1,369
Investment funds	610	4,433
Funds withheld at interest	11,233	11,629
Other investments		223
Fair Value | Variable Interest Entities
Assets
Mortgage loans		2,152
NAV | Fair Value
Assets
Total assets not carried at fair value	689	5,428
Liabilities
Policyholder Contract Deposit	0	0
Long-term Debt	0	0
Payables for collateral on derivatives and securities to repurchase	0	0
Funds Held under Reinsurance Agreements, Liability	0	0
Total liabilities not carried at fair value	0	0
NAV | Fair Value | Consolidated Entity, excluding Affiliated Entity
Assets
Mortgage loans		0
Investment funds	79	995
Policy Loans	0	0
Funds withheld at interest	0	0
Other investments	0	0
Short-term investments	0
NAV | Fair Value | Related Party
Assets
Mortgage loans		0
Investment funds	610	4,433
Funds withheld at interest	0	0
Other investments		0
NAV | Fair Value | Variable Interest Entities
Assets
Mortgage loans		0
Level 1 | Fair Value
Assets
Total assets not carried at fair value	0	0
Liabilities
Policyholder Contract Deposit	0	0
Long-term Debt	0	0
Payables for collateral on derivatives and securities to repurchase	0	0
Funds Held under Reinsurance Agreements, Liability	0	0
Total liabilities not carried at fair value	0	0
Level 1 | Fair Value | Consolidated Entity, excluding Affiliated Entity
Assets
Mortgage loans		0
Investment funds	0	0
Policy Loans	0	0
Funds withheld at interest	0	0
Other investments	0	0
Short-term investments	0
Level 1 | Fair Value | Related Party
Assets
Mortgage loans		0
Investment funds	0	0
Funds withheld at interest	0	0
Other investments		0
Level 1 | Fair Value | Variable Interest Entities
Assets
Mortgage loans		0
Level 2 | Fair Value
Assets
Total assets not carried at fair value	1,961	312
Liabilities
Policyholder Contract Deposit	0	0
Long-term Debt	2,893	3,295
Payables for collateral on derivatives and securities to repurchase	4,743	3,110
Funds Held under Reinsurance Agreements, Liability	360	394
Total liabilities not carried at fair value	7,996	6,799
Level 2 | Fair Value | Consolidated Entity, excluding Affiliated Entity
Assets
Mortgage loans		0
Investment funds	0	0
Policy Loans	347	312
Funds withheld at interest	0	0
Other investments	0	0
Short-term investments	1,614
Level 2 | Fair Value | Related Party
Assets
Mortgage loans		0
Investment funds	0	0
Funds withheld at interest	0	0
Other investments		0
Level 2 | Fair Value | Variable Interest Entities
Assets
Mortgage loans		0
Level 3
Assets
Mortgage loans	30,811
Level 3 | Fair Value
Assets
Total assets not carried at fair value	49,148	80,979
Liabilities
Policyholder Contract Deposit	111,608	108,621
Long-term Debt	0	0
Payables for collateral on derivatives and securities to repurchase	0	0
Funds Held under Reinsurance Agreements, Liability	0	0
Total liabilities not carried at fair value	111,608	108,621
Level 3 | Fair Value | Consolidated Entity, excluding Affiliated Entity
Assets
Mortgage loans		21,138
Investment funds	0	0
Policy Loans	0	0
Funds withheld at interest	37,727	43,125
Other investments	162	1,343
Short-term investments	26
Level 3 | Fair Value | Related Party
Assets
Mortgage loans		1,369
Investment funds	0	0
Funds withheld at interest	11,233	11,629
Other investments		223
Level 3 | Fair Value | Variable Interest Entities
Assets
Mortgage loans		2,152
Related Party
Assets
Investment funds	$ 1,569	$ 7,391

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