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INVESTMENTS - Available-for-sale Securities (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | $ 72,991 | $ 73,429 |
Allowance for Credit Losses | 24 | 22 |
Gross Unrealized Gains | 106 | 5,125 |
Gross Unrealized Losses | 9,712 | 316 |
Fair Value | 63,361 | 78,216 |
Amortized Cost (Less Allowance for Credit Losses) |  |  |
Due in one year or less | 1,858 |  |
Due in years two through five | 15,031 |  |
Due in years six through ten | 16,281 |  |
Due after ten years | 26,166 |  |
Subtotal | 59,336 |  |
Amortized cost | 72,967 |  |
Fair Value |  |  |
Due in one year or less | 1,834 |  |
Due in years two through five | 14,222 |  |
Due in years six through ten | 14,433 |  |
Due after ten years | 20,282 |  |
Subtotal | 50,771 |  |
Fair Value | 63,361 | 78,216 |
Fixed Maturities Proceeds Gross Gains And Gross Losses From Sales And Other Than Temporary Impairments |  |  |
Proceeds from sales | 11,932 | 27,363 | $ 12,903
Gross gains on sales | 45 | 1,152 | 862
Gross losses on sales | (663) | (195) | (41)
Net (increase) decrease in Allowance for Credit and Intent to Sell losses | 247 | 16 | 13
Fixed Maturities - Credit Loss Impairments |  |  |
Balance, beginning of period | 44 | 32 | 21
Previously recognized impairments on securities that matured, paid, prepaid or sold | 263 | 4 | 2
Recognized impairments on securities impaired to fair value this period | 246 | 0 | 0
Credit losses recognized this period on securities for which credit losses were not previously recognized | 0 | 9 | 6
Additional credit losses this period on securities previously impaired | 9 | 7 | 7
Increases due to passage of time on previously recorded credit losses | 0 | 0 | 0
Accretion of previously recognized impairments due to increases in expected cash flows (for OTTI securities 2019 and prior) | 0 | 0 | 0
Balance, end of period | 36 | 44 | $ 32
Global Atlantic Transaction |  |  |
Fixed Maturities Proceeds Gross Gains And Gross Losses From Sales And Other Than Temporary Impairments |  |  |
Net (increase) decrease in Allowance for Credit and Intent to Sell losses | (245) |  |
Corporate |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 50,712 | 50,172 |
Allowance for Credit Losses | 24 | 22 |
Gross Unrealized Gains | 89 | 2,601 |
Gross Unrealized Losses | 7,206 | 240 |
Fair Value | 43,571 | 52,511 |
Fair Value |  |  |
Fair Value | 43,571 | 52,511 |
U.S. government, agencies and authorities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 7,054 | 13,056 |
Allowance for Credit Losses | 0 | 0 |
Gross Unrealized Gains | 1 | 2,344 |
Gross Unrealized Losses | 1,218 | 15 |
Fair Value | 5,837 | 15,385 |
Fair Value |  |  |
Fair Value | 5,837 | 15,385 |
States and political subdivisions |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 609 | 586 |
Allowance for Credit Losses | 0 | 0 |
Gross Unrealized Gains | 7 | 78 |
Gross Unrealized Losses | 89 | 2 |
Fair Value | 527 | 662 |
Fair Value |  |  |
Fair Value | 527 | 662 |
Foreign governments |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 985 | 1,124 |
Allowance for Credit Losses | 0 | 0 |
Gross Unrealized Gains | 2 | 42 |
Gross Unrealized Losses | 151 | 14 |
Fair Value | 836 | 1,152 |
Fair Value |  |  |
Fair Value | 836 | 1,152 |
Residential Mortgage-Backed |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 908 | 90 |
Allowance for Credit Losses | 0 | 0 |
Gross Unrealized Gains | 1 | 8 |
Gross Unrealized Losses | 87 | 0 |
Fair Value | 822 | 98 |
Amortized Cost (Less Allowance for Credit Losses) |  |  |
Without single maturity date | 908 |  |
Fair Value |  |  |
Without single maturity date | 822 |  |
Fair Value | 822 | 98 |
Asset-backed |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 8,859 | 5,933 |
Allowance for Credit Losses | 0 | 0 |
Gross Unrealized Gains | 4 | 21 |
Gross Unrealized Losses | 373 | 20 |
Fair Value | 8,490 | 5,934 |
Amortized Cost (Less Allowance for Credit Losses) |  |  |
Without single maturity date | 8,859 |  |
Fair Value |  |  |
Without single maturity date | 8,490 |  |
Fair Value | 8,490 | 5,934 |
Commercial mortgage-backed |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 3,823 | 2,427 |
Allowance for Credit Losses | 0 | 0 |
Gross Unrealized Gains | 0 | 19 |
Gross Unrealized Losses | 588 | 25 |
Fair Value | 3,235 | 2,421 |
Amortized Cost (Less Allowance for Credit Losses) |  |  |
Without single maturity date | 3,823 |  |
Fair Value |  |  |
Without single maturity date | 3,235 |  |
Fair Value | 3,235 | 2,421 |
Redeemable preferred stock |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 41 | 41 |
Allowance for Credit Losses | 0 | 0 |
Gross Unrealized Gains | 2 | 12 |
Gross Unrealized Losses | 0 | 0 |
Fair Value | 43 | 53 |
Amortized Cost (Less Allowance for Credit Losses) |  |  |
Without single maturity date | 41 |  |
Fair Value |  |  |
Without single maturity date | 43 |  |
Fair Value | $ 43 | $ 53 |

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