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Separate Accounts (Separate Account Liability) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Separate Account, Liability [Line Items] |  |
Separate Account, Liability, Beginning Balance | $ 88,271 |
Separate Account, Liability, Ending Balance | 90,332 | $ 87,440
Variable Annuities |  |
Separate Account, Liability [Line Items] |  |
Separate Account, Liability, Beginning Balance | 79,990 | 77,653
Premiums and deposits | 203 | 216
Surrenders and withdrawals | (1,948) | (1,496)
Benefit payments | (399) | (383)
Investment performance | 4,496 | 4,310
Policy charges | (506) | (519)
Net transfers from (to) general account | (34) | (11)
Other | (10) | 0
Separate Account, Liability, Ending Balance | 81,792 | 79,770
Universal Life Insurance |  |
Separate Account, Liability [Line Items] |  |
Separate Account, Liability, Beginning Balance | 5,921 | 5,218
Premiums and deposits | 39 | 43
Surrenders and withdrawals | (62) | (41)
Benefit payments | (16) | (14)
Investment performance | 444 | 341
Policy charges | (51) | (52)
Net transfers from (to) general account | (16) | (12)
Other | 0 | 0
Separate Account, Liability, Ending Balance | 6,259 | 5,483
Company-Owned Life Insurance |  |
Separate Account, Liability [Line Items] |  |
Separate Account, Liability, Beginning Balance | 2,162 | 1,932
Premiums and deposits | 0 | 0
Surrenders and withdrawals | (3) | (3)
Benefit payments | (5) | (10)
Investment performance | 113 | 111
Policy charges | (13) | (11)
Net transfers from (to) general account | (200) | 0
Other | 0 | 0
Separate Account, Liability, Ending Balance | $ 2,054 | $ 2,019

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