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Investments (Tables) | 9 Months Ended
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Sep. 30, 2024
Investments [Abstract] |
Debt Securities, Available-for-sale | The following tables provide information relating to investments in fixed maturity securities by type as of September 30, 2024 and December 31, 2023 (dollars in millions):
September 30, 2024: |  | Amortized Cost |  | Allowance for Credit Losses |  | Unrealized Gains |  | Unrealized Losses |  | Estimated Fair Value |  | % of Total |  |
Available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  | $ | 53,327 |  |  | $ | 104 |  |  | $ | 1,058 |  |  | $ | 3,194 |  |  | $ | 51,087 |  |  | 65.4 | % |  |
Canadian government |  | 4,517 |  |  | — |  |  | 494 |  |  | 41 |  |  | 4,970 |  |  | 6.4 |  |  |
Japanese government |  | 6,103 |  |  | — |  |  | 3 |  |  | 836 |  |  | 5,270 |  |  | 6.7 |  |  |
ABS |  | 5,521 |  |  | 15 |  |  | 44 |  |  | 177 |  |  | 5,373 |  |  | 6.9 |  |  |
CMBS |  | 2,327 |  |  | 1 |  |  | 27 |  |  | 115 |  |  | 2,238 |  |  | 2.9 |  |  |
RMBS |  | 1,374 |  |  | — |  |  | 20 |  |  | 76 |  |  | 1,318 |  |  | 1.7 |  |  |
U.S. government |  | 1,897 |  |  | — |  |  | 18 |  |  | 212 |  |  | 1,703 |  |  | 2.1 |  |  |
State and political subdivisions |  | 895 |  |  | — |  |  | 7 |  |  | 81 |  |  | 821 |  |  | 1.1 |  |  |
Other foreign government |  | 5,645 |  |  | — |  |  | 84 |  |  | 360 |  |  | 5,369 |  |  | 6.8 |  |  |
Total fixed maturity securities |  | $ | 81,606 |  |  | $ | 120 |  |  | $ | 1,755 |  |  | $ | 5,092 |  |  | $ | 78,149 |  |  | 100.0 | % |  |
December 31, 2023: |  | Amortized Cost |  | Allowance for Credit Losses |  | Unrealized Gains |  | Unrealized Losses |  | Estimated Fair Value |  | % of Total
Available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  | $ | 42,014 |  |  | $ | 62 |  |  | $ | 554 |  |  | $ | 3,751 |  |  | $ | 38,755 |  |  | 64.1 | %
Canadian government |  | 3,477 |  |  | — |  |  | 473 |  |  | 33 |  |  | 3,917 |  |  | 6.5 |
Japanese government |  | 3,630 |  |  | — |  |  | 3 |  |  | 502 |  |  | 3,131 |  |  | 5.2 |
ABS |  | 4,661 |  |  | 12 |  |  | 19 |  |  | 239 |  |  | 4,429 |  |  | 7.3 |
CMBS |  | 1,969 |  |  | 1 |  |  | 7 |  |  | 202 |  |  | 1,773 |  |  | 2.9 |
RMBS |  | 1,173 |  |  | — |  |  | 8 |  |  | 102 |  |  | 1,079 |  |  | 1.8 |
U.S. government |  | 2,725 |  |  | — |  |  | 9 |  |  | 214 |  |  | 2,520 |  |  | 4.2 |
State and political subdivisions |  | 1,236 |  |  | — |  |  | 7 |  |  | 129 |  |  | 1,114 |  |  | 1.8 |
Other foreign government |  | 4,092 |  |  | — |  |  | 45 |  |  | 388 |  |  | 3,749 |  |  | 6.2 |
Total fixed maturity securities |  | $ | 64,977 |  |  | $ | 75 |  |  | $ | 1,125 |  |  | $ | 5,560 |  |  | $ | 60,467 |  |  | 100.0 | %
Concentration Risk Disclosure [Text Block] | The Company’s exposure to concentrations of credit risk from single issuers, including certain agencies, greater than 10% of the Company’s equity are disclosed below, as of September 30, 2024 and December 31, 2023 (dollars in millions):
|  | September 30, 2024 |  | December 31, 2023
|  | Amortized Cost |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value
Fixed maturity securities guaranteed or issued by: |  |  |  |  |  |  |  |
Japanese government |  | $ | 6,103 |  |  | $ | 5,270 |  |  | $ | 3,630 |  |  | $ | 3,131 |
U.S. government |  | 1,897 |  |  | 1,703 |  |  | 2,725 |  |  | 2,520 |
Canadian province of Quebec |  | 1,591 |  |  | 1,843 |  |  | 1,467 |  |  | 1,748 |
Canadian province of Ontario |  | 1,180 |  |  | 1,291 |  |  | 1,019 |  |  | 1,125 |
Investments Classified By Contractual Maturity Date | The amortized cost and estimated fair value of fixed maturity securities classified as available-for-sale as of September 30, 2024, are shown by contractual maturity in the table below (dollars in millions). Actual maturities can differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Structured securities are shown separately in the table below, as they are not due at a single maturity date.
|  | Amortized Cost |  | Estimated Fair Value
Available-for-sale: |  |  |  |
Due in one year or less |  | $ | 1,699 |  |  | $ | 1,701 |
Due after one year through five years |  | 11,881 |  |  | 11,829 |
Due after five years through ten years |  | 13,649 |  |  | 13,480 |
Due after ten years |  | 45,155 |  |  | 42,210 |
Structured securities |  | 9,222 |  |  | 8,929 |
Total |  | $ | 81,606 |  |  | $ | 78,149 |
Fixed Maturity Holdings Industry Types Weighted Average Credit Ratings [Table Text Block] | The tables below show the major sectors of the Company’s corporate fixed maturity holdings as of September 30, 2024 and December 31, 2023 (dollars in millions):
September 30, 2024: |  | Amortized Cost |  | Estimated Fair Value |  | % of Total
Finance |  | $ | 17,482 |  |  | $ | 16,641 |  |  | 32.6 | %
Industrial |  | 27,697 |  |  | 26,682 |  |  | 52.2 |
Utility |  | 8,148 |  |  | 7,764 |  |  | 15.2 |
Total |  | $ | 53,327 |  |  | $ | 51,087 |  |  | 100.0 | %
December 31, 2023: |  | Amortized Cost |  | Estimated Fair Value |  | % of Total
Finance |  | $ | 15,052 |  |  | $ | 13,789 |  |  | 35.6 | %
Industrial |  | 21,413 |  |  | 19,935 |  |  | 51.4 |
Utility |  | 5,549 |  |  | 5,031 |  |  | 13.0 |
Total |  | $ | 42,014 |  |  | $ | 38,755 |  |  | 100.0 | %
Financing Receivable, Allowance for Credit Loss [Table Text Block] | The following tables present the rollforward of the allowance for credit losses in fixed maturity securities by type for the three and nine months ended September 30, 2024 and 2023 (dollars in millions):
| Corporate |  | ABS |  | CMBS |  |  |  | Total |  |
For the three months ended September 30, 2024: |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period | $ | 95 |  |  | $ | 15 |  |  | $ | 1 |  |  |  |  | $ | 111 |  |  |
Credit losses recognized on securities for which credit losses were not previously recorded | 10 |  |  | — |  |  | — |  |  |  |  | 10 |  |  |
Reductions for securities sold during the period | — |  |  | — |  |  | — |  |  |  |  | — |  |  |
Additional increases or decreases for credit losses on securities that had an allowance recorded in a previous period | (1) |  |  | — |  |  | — |  |  |  |  | (1) |  |  |
Write-offs charged against the allowance | — |  |  | — |  |  | — |  |  |  |  | — |  |  |
Balance, end of period | $ | 104 |  |  | $ | 15 |  |  | $ | 1 |  |  |  |  | $ | 120 |  |  |
For the three months ended September 30, 2023: |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period | $ | 62 |  |  | $ | 12 |  |  | $ | 1 |  |  |  |  | $ | 75 |  |  |
Additional increases or decreases for credit losses on securities that had an allowance recorded in a previous period | (1) |  |  | — |  |  | — |  |  |  |  | (1) |  |  |
Write-offs charged against the allowance | (6) |  |  | — |  |  | — |  |  |  |  | (6) |  |  |
Balance, end of period | $ | 55 |  |  | $ | 12 |  |  | $ | 1 |  |  |  |  | $ | 68 |  |  |
| Corporate |  | ABS |  | CMBS |  |  |  |  |  | Total
For the nine months ended September 30, 2024: |
Balance, beginning of period | $ | 62 |  |  | $ | 12 |  |  | $ | 1 |  |  |  |  |  |  | $ | 75 |
Credit losses recognized on securities for which credit losses were not previously recorded | 42 |  |  | — |  |  | — |  |  |  |  |  |  | 42 |
Reductions for securities sold during the period | (9) |  |  | — |  |  | — |  |  |  |  |  |  | (9) |
Additional increases or decreases for credit losses on securities that had an allowance recorded in a previous period | 8 |  |  | 3 |  |  | — |  |  |  |  |  |  | 11 |
Write-offs charged against the allowance | 1 |  |  | — |  |  | — |  |  |  |  |  |  | 1 |
Balance, end of period | $ | 104 |  |  | $ | 15 |  |  | $ | 1 |  |  |  |  |  |  | $ | 120 |
For the nine months ended September 30, 2023: |
Balance, beginning of period | $ | 27 |  |  | $ | 10 |  |  | $ | — |  |  |  |  |  |  | $ | 37 |
Credit losses recognized on securities for which credit losses were not previously recorded | 44 |  |  | — |  |  | 1 |  |  |  |  |  |  | 45 |
Reductions for securities sold during the period | (10) |  |  | — |  |  | — |  |  |  |  |  |  | (10) |
Additional increases or decreases for credit losses on securities that had an allowance recorded in a previous period | — |  |  | 2 |  |  | — |  |  |  |  |  |  | 2 |
Write-offs charged against the allowance | (6) |  |  | — |  |  | — |  |  |  |  |  |  | (6) |
Balance, end of period | $ | 55 |  |  | $ | 12 |  |  | $ | 1 |  |  |  |  |  |  | $ | 68 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value |
|  | Less than 12 months |  | 12 months or greater |  | Total
September 30, 2024: |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses
Investment grade securities: |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  | $ | 3,871 |  |  | $ | 71 |  |  | $ | 21,471 |  |  | $ | 3,036 |  |  | $ | 25,342 |  |  | $ | 3,107 |
Canadian government |  | 159 |  |  | 6 |  |  | 432 |  |  | 35 |  |  | 591 |  |  | 41 |
Japanese government |  | 2,408 |  |  | 159 |  |  | 2,489 |  |  | 677 |  |  | 4,897 |  |  | 836 |
ABS |  | 1,054 |  |  | 22 |  |  | 2,039 |  |  | 148 |  |  | 3,093 |  |  | 170 |
CMBS |  | 188 |  |  | 12 |  |  | 1,156 |  |  | 96 |  |  | 1,344 |  |  | 108 |
RMBS |  | — |  |  | — |  |  | 636 |  |  | 76 |  |  | 636 |  |  | 76 |
U.S. government |  | 264 |  |  | 2 |  |  | 711 |  |  | 210 |  |  | 975 |  |  | 212 |
State and political subdivisions |  | — |  |  | — |  |  | 532 |  |  | 81 |  |  | 532 |  |  | 81 |
Other foreign government |  | 770 |  |  | 10 |  |  | 2,009 |  |  | 302 |  |  | 2,779 |  |  | 312 |
Total investment grade securities |  | 8,714 |  |  | 282 |  |  | 31,475 |  |  | 4,661 |  |  | 40,189 |  |  | 4,943 |
Below investment grade securities: |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  | 392 |  |  | 14 |  |  | 413 |  |  | 62 |  |  | 805 |  |  | 76 |
ABS |  | 13 |  |  | 2 |  |  | 44 |  |  | 5 |  |  | 57 |  |  | 7 |
CMBS |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Other foreign government |  | — |  |  | — |  |  | 190 |  |  | 48 |  |  | 190 |  |  | 48 |
Total below investment grade securities |  | 405 |  |  | 16 |  |  | 647 |  |  | 115 |  |  | 1,052 |  |  | 131 |
Total fixed maturity securities |  | $ | 9,119 |  |  | $ | 298 |  |  | $ | 32,122 |  |  | $ | 4,776 |  |  | $ | 41,241 |  |  | $ | 5,074 |
|  | Less than 12 months |  | 12 months or greater |  | Total
December 31, 2023: |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses
Investment grade securities: |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  | $ | 2,134 |  |  | $ | 70 |  |  | $ | 24,207 |  |  | $ | 3,524 |  |  | $ | 26,341 |  |  | $ | 3,594 |
Canadian government |  | — |  |  | — |  |  | 459 |  |  | 33 |  |  | 459 |  |  | 33 |
Japanese government |  | 876 |  |  | 50 |  |  | 2,193 |  |  | 452 |  |  | 3,069 |  |  | 502 |
ABS |  | 336 |  |  | 5 |  |  | 3,025 |  |  | 223 |  |  | 3,361 |  |  | 228 |
CMBS |  | 160 |  |  | 5 |  |  | 1,328 |  |  | 190 |  |  | 1,488 |  |  | 195 |
RMBS |  | 115 |  |  | 3 |  |  | 681 |  |  | 99 |  |  | 796 |  |  | 102 |
U.S. government |  | 614 |  |  | 10 |  |  | 717 |  |  | 204 |  |  | 1,331 |  |  | 214 |
State and political subdivisions |  | 73 |  |  | 1 |  |  | 864 |  |  | 128 |  |  | 937 |  |  | 129 |
Other foreign government |  | 254 |  |  | 3 |  |  | 2,290 |  |  | 333 |  |  | 2,544 |  |  | 336 |
Total investment grade securities |  | 4,562 |  |  | 147 |  |  | 35,764 |  |  | 5,186 |  |  | 40,326 |  |  | 5,333 |
Below investment grade securities: |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  | 295 |  |  | 36 |  |  | 649 |  |  | 121 |  |  | 944 |  |  | 157 |
ABS |  | — |  |  | — |  |  | 68 |  |  | 10 |  |  | 68 |  |  | 10 |
CMBS |  | — |  |  | — |  |  | 4 |  |  | 1 |  |  | 4 |  |  | 1 |
Other foreign government |  | — |  |  | — |  |  | 193 |  |  | 52 |  |  | 193 |  |  | 52 |
Total below investment grade securities |  | 295 |  |  | 36 |  |  | 914 |  |  | 184 |  |  | 1,209 |  |  | 220 |
Total fixed maturity securities |  | $ | 4,857 |  |  | $ | 183 |  |  | $ | 36,678 |  |  | $ | 5,370 |  |  | $ | 41,535 |  |  | $ | 5,553 |
Investment Income | Major categories of net investment income consist of the following (dollars in millions):
|  | Three months ended September 30, |  | Nine months ended September 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
Fixed maturity securities available-for-sale |  | $ | 933 |  |  | $ | 707 |  |  | $ | 2,574 |  |  | $ | 2,035 |
Equity securities |  | 2 |  | 2 |  |  | 5 |  |  | 5 |
Mortgage loans |  | 103 |  |  | 84 |  |  | 290 |  |  | 238 |
Policy loans |  | 14 |  |  | 13 |  |  | 42 |  |  | 39 |
Funds withheld at interest |  | 88 |  |  | 88 |  |  | 253 |  |  | 240 |
Limited partnerships and real estate joint ventures |  | 46 |  |  | 41 |  |  | 74 |  |  | 114 |
Short-term investments and cash and cash equivalents |  | 48 |  |  | 28 |  |  | 126 |  |  | 71 |
Other invested assets |  | (6) |  |  | 2 |  |  | (5) |  |  | 14 |
Investment income |  | 1,228 |  |  | 965 |  |  | 3,359 |  |  | 2,756 |
Investment expense |  | (40) |  |  | (43) |  |  | (128) |  |  | (121) |
Net investment income |  | $ | 1,188 |  |  | $ | 922 |  |  | $ | 3,231 |  |  | $ | 2,635 |
Gain Loss On Investments | Investment related gains (losses), net consist of the following (dollars in millions):
|  | Three months ended September 30, |  | Nine months ended September 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
Fixed maturity securities available-for-sale: |  |  |  |  |  |  |  |
Change in allowance for credit losses |  | $ | (9) |  |  | $ | 7 |  |  | $ | (45) |  |  | $ | (31) |
Impairments on fixed maturity securities |  | — |  |  | — |  |  | (1) |  |  | (1) |
Realized gains on investment activity |  | 72 |  |  | 12 |  |  | 172 |  |  | 54 |
Realized losses on investment activity |  | (113) |  |  | (61) |  |  | (477) |  |  | (173) |
Net gains (losses) on equity securities |  | 6 |  |  | (2) |  |  | 5 |  |  | (4) |
Change in mortgage loan allowance for credit losses |  | (12) |  |  | (17) |  |  | (20) |  |  | (23) |
Limited partnerships and real estate joint venture impairment losses |  | — |  |  | — |  |  | (8) |  |  | — |
Change in fair value of certain limited partnership investments |  | 17 |  |  | 25 |  |  | 18 |  |  | 32 |
Net gains (losses) on freestanding derivatives |  | 87 |  |  | (98) |  |  | (131) |  |  | (222) |
Net gains (losses) on embedded derivatives |  | (112) |  |  | 1 |  |  | (9) |  |  | 18 |
Other, net |  | (14) |  |  | 7 |  |  | (2) |  |  | 24 |
Total investment related gains (losses), net |  | $ | (78) |  |  | $ | (126) |  |  | $ | (498) |  |  | $ | (326) |
Invested Assets On Deposit | The following table includes invested assets on deposit, invested assets pledged and received as collateral, assets in trust held to satisfy collateral requirements and FHLB common stock restricted as to sale as of September 30, 2024 and December 31, 2023 (dollars in millions):
|  | September 30, 2024 |  | December 31, 2023
|  | Amortized Cost |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value
Invested assets on deposit (regulatory deposits) |  | $ | 12 |  |  | $ | 10 |  |  | $ | 12 |  |  | $ | 9 |
Invested assets pledged as collateral |  | 891 |  |  | 814 |  |  | 572 |  |  | 517 |
Invested assets received as collateral |  | n/a |  | 2,419 |  |  | n/a |  | 1,827 |
Assets in trust held to satisfy collateral requirements |  | 47,251 |  |  | 45,545 |  |  | 32,758 |  |  | 30,359 |
FHLB common stock restricted as to sale |  | 72 |  |  | 72 |  |  | 63 |  |  | 63 |
Schedule of Repurchase Agreements [Table Text Block] | The following table provides the estimated fair value of securities relating to securities lending and repurchase/reverse repurchase agreements as of September 30, 2024 and December 31, 2023 (dollars in millions):
|  | September 30, 2024 |  | December 31, 2023
|  | Securities Loaned, Pledged, or Sold (1) |  | Securities Borrowed or Collateral Received from Counterparties (2) |  | Cash Collateral Received from Counterparties (3) |  | Securities Loaned, Pledged, or Sold (1) |  | Securities Borrowed or Collateral Received from Counterparties (2) |  | Cash Collateral Received from Counterparties (3)
Securities lending transactions |  | $ | 782 |  |  | $ | 1,042 |  |  | $ | — |  |  | $ | 732 |  |  | $ | 1,013 |  |  | $ | — |
Repurchase/reverse repurchase transactions |  | 1,923 |  |  | 930 |  | 1,044 |  |  | 1,333 |  |  | 517 |  |  | 820 |
(1)Securities loaned or pledged through securities lending transactions or sold to counterparties through repurchase transactions are included within fixed maturity securities. Collateral associated with certain securities lending transactions is not included within this table as the collateral pledged to the counterparty is the right to reinsurance treaty cash flows. Certain securities lending transactions do not require collateral. (2)Securities borrowed or received as collateral through securities lending transactions or purchased from counterparties through reverse repurchase transactions are not reflected on the condensed consolidated balance sheets. (3)A payable for the cash received by the Company is included within other liabilities.
Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets [Table Text Block] | The following tables present the estimated fair value of securities by the remaining contractual maturity of the Company’s securities lending and repurchase agreements as of September 30, 2024 and December 31, 2023 (dollars in millions):
|  | September 30, 2024 |  | December 31, 2023
|  | Remaining Contractual Maturity of the Agreements |  | Remaining Contractual Maturity of the Agreements
|  | Overnight and Continuous |  | Up to 30 Days |  | 30 – 90 Days |  | Greater than 90 Days |  | Total |  | Overnight and Continuous |  | Up to 30 Days |  | 30 – 90 Days |  | Greater than 90 Days |  | Total
Securities lending transactions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  | $ | — |  |  | $ | 77 |  |  | $ | 142 |  |  | $ | 199 |  |  | $ | 418 |  |  | $ | — |  |  | $ | — |  |  | $ | 94 |  |  | $ | 41 |  |  | $ | 135 |
Japanese government |  | — |  |  | — |  |  | — |  |  | 251 |  |  | 251 |  |  | — |  |  | 88 |  |  | — |  |  | 480 |  |  | 568 |
ABS |  | — |  |  | — |  |  | 12 |  |  | 3 |  |  | 15 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
CMBS |  | — |  |  | — |  |  | 48 |  |  | — |  |  | 48 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
RMBS |  | — |  |  | — |  |  | 14 |  |  | — |  |  | 14 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
U.S. government |  | — |  |  | — |  |  | — |  |  | 9 |  |  | 9 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
State and political subdivisions |  | — |  |  | — |  |  | — |  |  | 6 |  |  | 6 |  |  | — |  |  | — |  |  | — |  |  | 11 |  |  | 11 |
Other foreign government |  | — |  |  | — |  |  | 11 |  |  | 10 |  |  | 21 |  |  | — |  |  | — |  |  | 13 |  |  | 5 |  |  | 18 |
Total |  | — |  |  | 77 |  |  | 227 |  |  | 478 |  |  | 782 |  |  | — |  |  | 88 |  |  | 107 |  |  | 537 |  |  | 732 |
Repurchase/reverse repurchase transactions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  | — |  |  | — |  |  | — |  |  | 554 |  |  | 554 |  |  | — |  |  | — |  |  | — |  |  | 553 |  |  | 553 |
Japanese government |  | — |  |  | — |  |  | — |  |  | 393 |  |  | 393 |  |  | — |  |  | — |  |  | — |  |  | 158 |  |  | 158 |
ABS |  | — |  |  | — |  |  | — |  |  | 299 |  |  | 299 |  |  | — |  |  | — |  |  | — |  |  | 229 |  |  | 229 |
CMBS |  | — |  |  | — |  |  | — |  |  | 254 |  |  | 254 |  |  | — |  |  | — |  |  | — |  |  | 221 |  |  | 221 |
RMBS |  | — |  |  | — |  |  | — |  |  | 52 |  |  | 52 |  |  | — |  |  | — |  |  | — |  |  | 52 |  |  | 52 |
U.S. government |  | — |  |  | — |  |  | — |  |  | 268 |  |  | 268 |  |  | — |  |  | — |  |  | — |  |  | 14 |  |  | 14 |
Other foreign government |  | — |  |  | — |  |  | — |  |  | 103 |  |  | 103 |  |  | — |  |  | — |  |  | — |  |  | 106 |  |  | 106 |
Total |  | — |  |  | — |  |  | — |  |  | 1,923 |  |  | 1,923 |  |  | — |  |  | — |  |  | — |  |  | 1,333 |  |  | 1,333 |
Total transactions |  | $ | — |  |  | $ | 77 |  |  | $ | 227 |  |  | $ | 2,401 |  |  | $ | 2,705 |  |  | $ | — |  |  | $ | 88 |  |  | $ | 107 |  |  | $ | 1,870 |  |  | $ | 2,065 |
Disclosure Of Real Estate Holdings By Property Type [Table Text Block] | The following table presents the distribution of the Company’s recorded investment in mortgage loans by property type as of September 30, 2024 and December 31, 2023 (dollars in millions):
|  | September 30, 2024 |  | December 31, 2023
Property type: |  | Carrying Value |  | % of Total |  | Carrying Value |  | % of Total
Office |  | $ | 1,709 |  |  | 20.1 | % |  | $ | 1,700 |  |  | 22.8 | %
Retail |  | 2,748 |  |  | 32.4 |  |  | 2,437 |  |  | 32.7 |
Industrial |  | 2,503 |  |  | 29.4 |  |  | 1,947 |  |  | 26.1 |
Apartment |  | 1,076 |  |  | 12.7 |  |  | 913 |  |  | 12.2 |
Hotel |  | 417 |  |  | 4.9 |  |  | 413 |  |  | 5.5 |
Other commercial |  | 40 |  |  | 0.5 |  |  | 49 |  |  | 0.7 |
Recorded investment |  | 8,493 |  |  | 100.0 | % |  | 7,459 |  |  | 100.0 | %
Unamortized balance of loan origination fees and expenses |  | (18) |  |  |  |  | (15) |  |  |
Allowance for credit losses |  | (87) |  |  |  |  | (67) |  |  |
Total mortgage loans |  | $ | 8,388 |  |  |  |  | $ | 7,377 |  |  |
Mortgage Loans Classified By Contractual Maturity Date [Table Text Block] | The following table presents the maturities of the Company’s recorded investment in mortgage loans as of September 30, 2024 and December 31, 2023 (dollars in millions):
|  | September 30, 2024 |  | December 31, 2023
|  | Recorded Investment |  | % of Total |  | Recorded Investment |  | % of Total
Due within five years |  | $ | 3,944 |  |  | 46.4 | % |  | $ | 3,228 |  |  | 43.3 | %
Due after five years through ten years |  | 3,643 |  |  | 42.9 |  |  | 3,334 |  |  | 44.7 |
Due after ten years |  | 906 |  |  | 10.7 |  |  | 897 |  |  | 12.0 |
Total |  | $ | 8,493 |  |  | 100.0 | % |  | $ | 7,459 |  |  | 100.0 | %
Mortgage Loan Internal Credit Risk Grade [Table Text Block] | The following tables set forth certain key credit quality indicators of the Company’s recorded investment in mortgage loans as of September 30, 2024 and December 31, 2023 (dollars in millions):
|  | Recorded Investment
|  | Debt Service Ratios |  | Construction loans |  |  |  |
|  | >1.20x |  | 1.00x – 1.20x |  | <1.00x |  |  | Total |  | % of Total
September 30, 2024: |  |  |  |  |  |  |  |  |  |  |  |
Loan-to-Value Ratio |  |  |  |  |  |  |  |  |  |  |  |
0% – 59.99% |  | $ | 4,327 |  |  | $ | 202 |  |  | $ | 83 |  |  | $ | 13 |  |  | $ | 4,625 |  |  | 54.5 | %
60% – 69.99% |  | 2,148 |  |  | 237 |  |  | 63 |  |  | 45 |  |  | 2,493 |  |  | 29.4 |
70% – 79.99% |  | 737 |  |  | 102 |  |  | 36 |  |  | — |  |  | 875 |  |  | 10.2 |
80% or greater |  | 339 |  |  | 55 |  |  | 106 |  |  | — |  |  | 500 |  |  | 5.9 |
Total |  | $ | 7,551 |  |  | $ | 596 |  |  | $ | 288 |  |  | $ | 58 |  |  | $ | 8,493 |  |  | 100.0 | %
|  | Recorded Investment
|  | Debt Service Ratios |  | Construction loans |  |  |  |
|  | >1.20x |  | 1.00x – 1.20x |  | <1.00x |  |  | Total |  | % of Total
December 31, 2023: |  |  |  |  |  |  |  |  |  |  |  |
Loan-to-Value Ratio |  |  |  |  |  |  |  |  |  |  |  |
0% – 59.99% |  | $ | 3,672 |  |  | $ | 272 |  |  | $ | 27 |  |  | $ | 46 |  |  | $ | 4,017 |  |  | 53.9 | %
60% – 69.99% |  | 1,947 |  |  | 154 |  |  | 44 |  |  | — |  |  | 2,145 |  |  | 28.8 |
70% – 79.99% |  | 843 |  |  | 52 |  |  | 34 |  |  | — |  |  | 929 |  |  | 12.4 |
80% or greater |  | 198 |  |  | 70 |  |  | 100 |  |  | — |  |  | 368 |  |  | 4.9 |
Total |  | $ | 6,660 |  |  | $ | 548 |  |  | $ | 205 |  |  | $ | 46 |  |  | $ | 7,459 |  |  | 100.0 | %
The following table sets forth credit quality grades by year of origination of the Company’s recorded investment in mortgage loans as of September 30, 2024 and December 31, 2023 (dollars in millions):
|  | Recorded Investment
|  | Year of Origination |  |
|  | 2024 |  | 2023 |  | 2022 |  | 2021 |  | 2020 |  | Prior |  | Total
September 30, 2024: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Internal credit quality grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |
High investment grade |  | $ | 352 |  |  | $ | 473 |  |  | $ | 641 |  |  | $ | 613 |  |  | $ | 268 |  |  | $ | 2,054 |  |  | $ | 4,401 |
Investment grade |  | 730 |  |  | 752 |  |  | 728 |  |  | 442 |  |  | 239 |  |  | 803 |  |  | 3,694 |
Average |  | — |  |  | 12 |  |  | — |  |  | — |  |  | 18 |  |  | 233 |  |  | 263 |
Watch list |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 112 |  |  | 112 |
In or near default |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 23 |  |  | 23 |
Total |  | $ | 1,082 |  |  | $ | 1,237 |  |  | $ | 1,369 |  |  | $ | 1,055 |  |  | $ | 525 |  |  | $ | 3,225 |  |  | $ | 8,493 |
|  | Recorded Investment
|  | Year of Origination |  |
|  | 2023 |  | 2022 |  | 2021 |  | 2020 |  | 2019 |  | Prior |  | Total
December 31, 2023: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Internal credit quality grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |
High investment grade |  | $ | 475 |  |  | $ | 635 |  |  | $ | 573 |  |  | $ | 304 |  |  | $ | 491 |  |  | $ | 1,734 |  |  | $ | 4,212 |
Investment grade |  | 754 |  |  | 668 |  |  | 384 |  |  | 245 |  |  | 313 |  |  | 564 |  |  | 2,928 |
Average |  | 12 |  |  | — |  |  | — |  |  | 18 |  |  | 63 |  |  | 203 |  |  | 296 |
Watch list |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 16 |  |  | 16 |
In or near default |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 7 |  |  | 7 |
Total |  | $ | 1,241 |  |  | $ | 1,303 |  |  | $ | 957 |  |  | $ | 567 |  |  | $ | 867 |  |  | $ | 2,524 |  |  | $ | 7,459 |
Financing Receivable, Past Due [Table Text Block] | The following table presents the current and past due composition of the Company’s recorded investment in mortgage loans as of September 30, 2024 and December 31, 2023 (dollars in millions):
|  | September 30, 2024 |  | December 31, 2023
Current |  | $ | 8,441 |  |  | $ | 7,431 |
31 – 60 days past due |  | 23 |  |  | 28 |
61 – 90 days past due |  | 6 |  |  | — |
Greater than 90 days past due |  | 23 |  |  | — |
Total |  | $ | 8,493 |  |  | $ | 7,459 |
Allowance For Mortgage Loan And Lease Losses Provision For Loss Net | The following table presents information regarding the Company’s allowance for credit losses for mortgage loans for the three and nine months ended September 30, 2024 and 2023 (dollars in millions):
|  | Three months ended September 30, |  | Nine months ended September 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
Balance, beginning of period |  | $ | 75 |  |  | $ | 57 |  |  | $ | 67 |  |  | $ | 51 |
Change in allowance for credit losses |  | 12 |  |  | 17 |  |  | 20 |  |  | 23 |
Balance, end of period |  | $ | 87 |  |  | $ | 74 |  |  | $ | 87 |  |  | $ | 74 |
Limited Partnership And Joint Ventures Table Text Block | Limited Partnerships and Real Estate Joint Ventures The carrying values of limited partnerships and real estate joint ventures as of September 30, 2024 and December 31, 2023 are as follows (dollars in millions):
|  | September 30, 2024 |  | December 31, 2023
Limited partnerships – equity method |  | $ | 1,029 |  |  | $ | 925 |
Limited partnerships – fair value |  | 920 |  |  | 856 |
Limited partnerships – cost method |  | 55 |  |  | 71 |
Real estate joint ventures |  | 968 |  | 783 |
Total limited partnerships and real estate joint ventures |  | $ | 2,972 |  |  | $ | 2,635 |
Schedule Of Other Invested Assets [Table Text Block] | The carrying values of other invested assets as of September 30, 2024 and December 31, 2023 are as follows (dollars in millions):
|  | September 30, 2024 |  | December 31, 2023
Lifetime mortgages |  | $ | 1,026 |  |  | $ | 944 |
Derivatives |  | 199 |  |  | 97 |
FHLB common stock |  | 72 |  |  | 63 |
Other |  | 64 |  |  | 67 |
Total other invested assets |  | $ | 1,361 |  |  | $ | 1,171 |

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