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Fair Value (Financial Instruments Carried at Other Than Fair Value) (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets |  |
Policy loans | $ 8,876 | $ 9,111
Liabilities |  |
Collateral financing arrangement | 741 | 766
Junior subordinated debt securities | 3,157 | 3,156
Separate account liabilities | 143,829 | 179,873
Carrying Value |  |
Assets |  |
Mortgage loans (2) | 81,946 | 79,226
Policy loans | 8,876 | 9,111
Other invested assets | 1,010 | 1,025
Premiums, reinsurance and other receivables | 2,664 | 2,262
Other assets | 450 | 290
Liabilities |  |
Policyholder account balances | 124,081 | 123,865
Long-term debt | 13,609 | 13,852
Collateral financing arrangement | 741 | 766
Junior subordinated debt securities | 3,157 | 3,156
Other liabilities | 2,622 | 2,143
Separate account liabilities | 79,050 | 95,619
Estimated Fair Value |  |
Assets |  |
Mortgage loans (2) | 79,974 | 82,788
Policy loans | 9,965 | 10,751
Other invested assets | 1,010 | 1,025
Premiums, reinsurance and other receivables | 2,752 | 2,454
Other assets | 466 | 291
Liabilities |  |
Policyholder account balances | 119,988 | 127,728
Long-term debt | 13,850 | 16,621
Collateral financing arrangement | 602 | 630
Junior subordinated debt securities | 3,555 | 4,447
Other liabilities | 2,991 | 2,835
Separate account liabilities | 79,050 | 95,619
Estimated Fair Value | Level 1 |  |
Assets |  |
Mortgage loans (2) | 0 | 0
Policy loans | 0 | 0
Other invested assets | 0 | 0
Premiums, reinsurance and other receivables | 0 | 0
Other assets | 0 | 0
Liabilities |  |
Policyholder account balances | 0 | 0
Long-term debt | 0 | 0
Collateral financing arrangement | 0 | 0
Junior subordinated debt securities | 0 | 0
Other liabilities | 0 | 0
Separate account liabilities | 0 | 0
Estimated Fair Value | Level 2 |  |
Assets |  |
Mortgage loans (2) | 0 | 0
Policy loans | 0 | 0
Other invested assets | 802 | 769
Premiums, reinsurance and other receivables | 950 | 492
Other assets | 296 | 101
Liabilities |  |
Policyholder account balances | 0 | 0
Long-term debt | 13,850 | 16,621
Collateral financing arrangement | 0 | 0
Junior subordinated debt securities | 3,555 | 4,447
Other liabilities | 1,072 | 514
Separate account liabilities | 79,050 | 95,619
Estimated Fair Value | Level 3 |  |
Assets |  |
Mortgage loans (2) | 79,974 | 82,788
Policy loans | 9,965 | 10,751
Other invested assets | 208 | 256
Premiums, reinsurance and other receivables | 1,802 | 1,962
Other assets | 170 | 190
Liabilities |  |
Policyholder account balances | 119,988 | 127,728
Long-term debt | 0 | 0
Collateral financing arrangement | 602 | 630
Junior subordinated debt securities | 0 | 0
Other liabilities | 1,919 | 2,321
Separate account liabilities | $ 0 | $ 0

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