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Investment Information (Tables) | 3 Months Ended
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Mar. 31, 2023
Disclosure Investment Information [Abstract] |
Summary of fair value and cost or amortized cost of available for sale securities | The following table summarizes the fair value and cost or amortized cost of the Company’s securities classified as available for sale:
| Estimated Fair Value |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Allowance for Expected Credit Losses |  | Cost or Amortized Cost |  |
March 31, 2023 |  |  |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 9,409 |  |  | $ | 84 |  |  | $ | (636) |  |  | $ | (45) |  |  | $ | 10,006 |  |  |
Residential mortgage backed securities | 823 |  |  | 6 |  |  | (74) |  |  | — |  |  | 891 |  |  |
Municipal bonds | 314 |  |  | 2 |  |  | (24) |  |  | — |  |  | 336 |  |  |
Commercial mortgage backed securities | 1,035 |  |  | 1 |  |  | (54) |  |  | (2) |  |  | 1,090 |  |  |
U.S. government and government agencies | 4,563 |  |  | 14 |  |  | (234) |  |  | — |  |  | 4,783 |  |  |
Non-U.S. government securities | 2,187 |  |  | 13 |  |  | (178) |  |  | (3) |  |  | 2,355 |  |  |
Asset backed securities | 2,361 |  |  | 3 |  |  | (97) |  |  | (6) |  |  | 2,461 |  |  |
Total | 20,692 |  |  | 123 |  |  | (1,297) |  |  | (56) |  |  | 21,922 |  |  |
Short-term investments | 1,553 |  |  | 1 |  |  | (1) |  |  | — |  |  | 1,553 |  |  |
Total | $ | 22,245 |  |  | $ | 124 |  |  | $ | (1,298) |  |  | $ | (56) |  |  | $ | 23,475 |  |  |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 8,020 |  |  | $ | 55 |  |  | $ | (781) |  |  | $ | (30) |  |  | $ | 8,776 |  |  |
Residential mortgage backed securities | 795 |  |  | 5 |  |  | (87) |  |  | — |  |  | 877 |  |  |
Municipal bonds | 419 |  |  | 3 |  |  | (33) |  |  | — |  |  | 449 |  |  |
Commercial mortgage backed securities | 1,047 |  |  | 1 |  |  | (58) |  |  | (3) |  |  | 1,107 |  |  |
U.S. government and government agencies | 5,162 |  |  | 15 |  |  | (343) |  |  | — |  |  | 5,490 |  |  |
Non-U.S. government securities | 2,313 |  |  | 9 |  |  | (238) |  |  | (2) |  |  | 2,544 |  |  |
Asset backed securities | 1,927 |  |  | 1 |  |  | (107) |  |  | (6) |  |  | 2,039 |  |  |
Total | 19,683 |  |  | 89 |  |  | (1,647) |  |  | (41) |  |  | 21,282 |  |  |
Short-term investments | 1,332 |  |  | 1 |  |  | (2) |  |  | — |  |  | 1,333 |  |  |
Total | $ | 21,015 |  |  | $ | 90 |  |  | $ | (1,649) |  |  | $ | (41) |  |  | $ | 22,615 |  |  |
Summary of available for sale securities in a continual unrealized loss position | The following table summarizes, for all available for sale securities in an unrealized loss position, the fair value and gross unrealized loss by length of time the security has been in a continual unrealized loss position:
| Less than 12 Months |  | 12 Months or More |  | Total
| Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses
March 31, 2023 |  |  |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 2,723 |  |  | $ | (101) |  |  | $ | 4,702 |  |  | $ | (535) |  |  | $ | 7,425 |  |  | $ | (636) |
Residential mortgage backed securities | 412 |  |  | (18) |  |  | 279 |  |  | (56) |  |  | 691 |  |  | (74) |
Municipal bonds | 131 |  |  | (6) |  |  | 164 |  |  | (18) |  |  | 295 |  |  | (24) |
Commercial mortgage backed securities | 167 |  |  | (8) |  |  | 855 |  |  | (46) |  |  | 1,022 |  |  | (54) |
U.S. government and government agencies | 1,209 |  |  | (40) |  |  | 2,137 |  |  | (194) |  |  | 3,346 |  |  | (234) |
Non-U.S. government securities | 1,109 |  |  | (61) |  |  | 863 |  |  | (117) |  |  | 1,972 |  |  | (178) |
Asset backed securities | 909 |  |  | (31) |  |  | 1,006 |  |  | (66) |  |  | 1,915 |  |  | (97) |
Total | 6,660 |  |  | (265) |  |  | 10,006 |  |  | (1,032) |  |  | 16,666 |  |  | (1,297) |
Short-term investments | 274 |  |  | (1) |  |  | — |  |  | — |  |  | 274 |  |  | (1) |
Total | $ | 6,934 |  |  | $ | (266) |  |  | $ | 10,006 |  |  | $ | (1,032) |  |  | $ | 16,940 |  |  | $ | (1,298) |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 4,823 |  |  | $ | (393) |  |  | $ | 2,559 |  |  | $ | (388) |  |  | $ | 7,382 |  |  | $ | (781) |
Residential mortgage backed securities | 546 |  |  | (52) |  |  | 154 |  |  | (35) |  |  | 700 |  |  | (87) |
Municipal bonds | 364 |  |  | (30) |  |  | 16 |  |  | (3) |  |  | 380 |  |  | (33) |
Commercial mortgage backed securities | 598 |  |  | (35) |  |  | 445 |  |  | (23) |  |  | 1,043 |  |  | (58) |
U.S. government and government agencies | 3,557 |  |  | (197) |  |  | 1,443 |  |  | (146) |  |  | 5,000 |  |  | (343) |
Non-U.S. government securities | 1,703 |  |  | (154) |  |  | 542 |  |  | (84) |  |  | 2,245 |  |  | (238) |
Asset backed securities | 1,148 |  |  | (66) |  |  | 512 |  |  | (41) |  |  | 1,660 |  |  | (107) |
Total | 12,739 |  |  | (927) |  |  | 5,671 |  |  | (720) |  |  | 18,410 |  |  | (1,647) |
Short-term investments | 237 |  |  | (2) |  |  | — |  |  | — |  |  | 237 |  |  | (2) |
Total | $ | 12,976 |  |  | $ | (929) |  |  | $ | 5,671 |  |  | $ | (720) |  |  | $ | 18,647 |  |  | $ | (1,649) |
Contractual maturities of the Company's fixed maturities | The contractual maturities of the Company’s fixed maturities are shown in the following table. Expected maturities, which are management’s best estimates, will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
|  | March 31, 2023 |  | December 31, 2022
Maturity |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value |  | Amortized Cost
Due in one year or less |  | $ | 483 |  |  | $ | 507 |  |  | $ | 511 |  |  | $ | 537 |
Due after one year through five years |  | 11,405 |  |  | 11,938 |  |  | 11,016 |  |  | 11,715 |
Due after five years through 10 years |  | 4,430 |  |  | 4,840 |  |  | 3,984 |  |  | 4,527 |
Due after 10 years |  | 155 |  |  | 195 |  |  | 403 |  |  | 480 |
|  | 16,473 |  |  | 17,480 |  |  | 15,914 |  |  | 17,259 |
Residential mortgage backed securities |  | 823 |  |  | 891 |  |  | 795 |  |  | 877 |
Commercial mortgage backed securities |  | 1,035 |  |  | 1,090 |  |  | 1,047 |  |  | 1,107 |
Asset backed securities |  | 2,361 |  |  | 2,461 |  |  | 1,927 |  |  | 2,039 |
Total |  | $ | 20,692 |  |  | $ | 21,922 |  |  | $ | 19,683 |  |  | $ | 21,282 |
Summary of other investments and other investable assets | The following table summarizes the Company’s other investments and other investable assets:
| March 31, 2023 |  | December 31, 2022
Fixed maturities | $ | 631 |  |  | $ | 554 |
Other investments | 1,121 |  |  | 1,043 |
Short-term investments | 17 |  |  | 33 |
Equity securities | 7 |  |  | 14 |
Total | $ | 1,776 |  |  | $ | 1,644 |
The following table summarizes the Company’s other investments, as detailed in the previous table, by strategy:
| March 31, 2023 |  | December 31, 2022
Lending | $ | 420 |  |  | $ | 406 |
Investment grade fixed income | 280 |  |  | 271 |
Term loan investments | 209 |  |  | 164 |
Private equity | 131 |  |  | 123 |
Credit related funds | 62 |  |  | 56 |
Energy | 19 |  |  | 23 |
Total | $ | 1,121 |  |  | $ | 1,043 |
Summary of investments accounted for using equity method | The following table summarizes the Company’s investments accounted for using the equity method, by strategy:
| March 31, 2023 |  | December 31, 2022
Credit related funds | $ | 1,156 |  |  | $ | 1,136 |
Private equity | 944 |  |  | 917 |
Real estate | 574 |  |  | 535 |
Lending | 533 |  |  | 531 |
Infrastructure | 271 |  |  | 245 |
Equities | 173 |  |  | 169 |
Fixed income | 135 |  |  | 130 |
Energy | 110 |  |  | 111 |
Total | $ | 3,896 |  |  | $ | 3,774 |
Summary of investments in limited partnership interests where the Company has a variable interest | The following table summarizes investments in limited partnership interests where the Company has a variable interest by balance sheet line item:
| March 31, 2023 |  | December 31, 2022
Investments accounted for using the equity method (1) | $ | 3,896 |  |  | $ | 3,774 |
Investments accounted for using the fair value option (2) | 130 |  |  | 131 |
Total | $ | 4,026 |  |  | $ | 3,905 |
(1) Aggregate unfunded commitments were $2.6 billion at March 31, 2023, compared with $2.6 billion at December 31, 2022. (2) Aggregate unfunded commitments were $61 million at March 31, 2023, compared to $17 million at December 31, 2022.
Components of net investment income | The components of net investment income were derived from the following sources:
| March 31,
| 2023 |  | 2022
Three Months Ended |  |  |
Fixed maturities | $ | 188 |  |  | $ | 82 |
Term loans | 0 |  |  | 2 |
Equity securities | 4 |  |  | 6 |
Short-term investments | 14 |  |  | 3 |
Other (1) | 13 |  |  | 10 |
Gross investment income | 219 |  |  | 103 |
Investment expenses | (20) |  |  | (23) |
Net investment income | $ | 199 |  |  | $ | 80 |
(1) Includes income distributions from investment funds and other items.
Summary of net realized gains (losses), including change in allowance for credit losses on financial assets and net impairment losses recognized in earnings | Net realized gains (losses), which include changes in the allowance for credit losses on financial assets and net impairment losses recognized in earnings were as follows:
| March 31,
| 2023 |  | 2022
Three Months Ended |  |  |
Available for sale securities: |  |  |
Gross gains on investment sales | $ | 17 |  |  | $ | 20 |
Gross losses on investment sales | (111) |  |  | (108) |
Change in fair value of assets and liabilities accounted for using the fair value option: |  |  |
Fixed maturities | 6 |  |  | (31) |
Other investments | 9 |  |  | 4 |
Equity securities | 1 |  |  | (3) |
Equity securities, at fair value: |  |  |
Net realized gains (losses) on sales during the period | 19 |  |  | 65 |
Net unrealized gains (losses) on equity securities still held at reporting date | 38 |  |  | (176) |
Allowance for credit losses: |  |  |
Investments related | (16) |  |  | (32) |
Underwriting related | 0 |  |  | (4) |
Derivative instruments (1) | 56 |  |  | (24) |
Other | (2) |  |  | (3) |
Net realized gains (losses) | $ | 17 |  |  | $ | (292) |
(1) See note 9 for information on the Company’s derivative instruments.
Rollforward of the allowance for expected credit losses of securities classified as available for sale | The following table provides a roll forward of the allowance for expected credit losses of the Company’s securities classified as available for sale:
|  | Structured Securities (1) |  |  |  | Corporate Bonds |  |  |  | Non-U.S. Government Securities |  | Total
Three Months Ended March 31, 2023 |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  | $ | 9 |  |  |  |  | $ | 30 |  |  |  |  | $ | 2 |  |  | $ | 41 |
Additions for current-period provision for expected credit losses |  | — |  |  |  |  | 1 |  |  |  |  | — |  |  | 1 |
Additions (reductions) for previously recognized expected credit losses |  | (1) |  |  |  |  | 15 |  |  |  |  | 1 |  |  | 15 |
Reductions due to disposals |  | — |  |  |  |  | (1) |  |  |  |  | — |  |  | (1) |
Balance at end of period |  | $ | 8 |  |  |  |  | $ | 45 |  |  |  |  | $ | 3 |  |  | $ | 56 |
Three Months Ended March 31, 2022 |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  | $ | 1 |  |  |  |  | $ | 2 |  |  |  |  | $ | — |  |  | $ | 3 |
Additions for current-period provision for expected credit losses |  | 6 |  |  |  |  | 25 |  |  |  |  | — |  |  | 31 |
Additions (reductions) for previously recognized expected credit losses |  | — |  |  |  |  | — |  |  |  |  | — |  |  | — |
Reductions due to disposals |  | — |  |  |  |  | — |  |  |  |  | — |  |  | — |
Balance at end of period |  | $ | 7 |  |  |  |  | $ | 27 |  |  |  |  | $ | — |  |  | $ | 34 |
(1) Includes asset backed securities, residential mortgage backed securities and commercial mortgage backed securities.
Summary of restricted assets | The following table details the value of the Company’s restricted assets:
| March 31, 2023 |  | December 31, 2022
Assets used for collateral or guarantees: |  |  |
Affiliated transactions | $ | 4,353 |  |  | $ | 4,254 |
Third party agreements | 2,764 |  |  | 2,633 |
Deposits with U.S. regulatory authorities | 805 |  |  | 776 |
Other (1) | 1,089 |  |  | 1,038 |
Total restricted assets | $ | 9,011 |  |  | $ | 8,701 |
(1) Primarily includes Funds at Lloyds, deposits with non-U.S. regulatory authorities and other restricted assets.
Reconciliation of cash and restricted cash | The following table details reconciliation of cash and restricted cash within the Consolidated Balance Sheets:
| March 31, 2023 |  | December 31, 2022
Cash | $ | 803 |  |  | $ | 855 |
Restricted cash (included in ‘other assets’) | 412 |  |  | 418 |
Cash and restricted cash | $ | 1,215 |  |  | $ | 1,273 |

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