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v3.25.1

Fair Value - Rollforward of Level 3 assets and liabilities (Details) - Recurring - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Other liabilities |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Balance at beginning of period |  | $ (73) | $ (22)
Total gains or (losses) (realized/unrealized) - included in earnings | [1] | 2 | 0
Total gains or (losses) (realized/unrealized) - included in other comprehensive income |  | 0 | 0
Purchases, issuances, sales and settlements |  |  |
Purchases |  | 0 | 0
Issuances |  | 0 | 0
Sales |  | 0 | 0
Settlements |  | 37 | 0
Transfers in and/or out of Level 3 |  | 0 | 0
Balance at end of period |  | (34) | (22)
Available for sale | Corporate bonds |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Balance at beginning of period |  | 97 | 147
Total gains or (losses) (realized/unrealized) - included in earnings | [1] | 0 | 0
Total gains or (losses) (realized/unrealized) - included in other comprehensive income |  | 0 | 2
Purchases, issuances, sales and settlements |  |  |
Purchases |  | 0 | 98
Issuances |  | 0 | 0
Sales |  | 0 | 0
Settlements |  | (17) | (87)
Transfers in and/or out of Level 3 |  | 70 | 0
Balance at end of period |  | 150 | 160
Available for sale | Short-term investments |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Balance at beginning of period |  | 0 | 84
Total gains or (losses) (realized/unrealized) - included in earnings | [1] | 0 | 0
Total gains or (losses) (realized/unrealized) - included in other comprehensive income |  | 0 | 1
Purchases, issuances, sales and settlements |  |  |
Purchases |  | 0 | 12
Issuances |  | 0 | 0
Sales |  | 0 | 0
Settlements |  | 0 | 0
Transfers in and/or out of Level 3 |  | 0 | 0
Balance at end of period |  | 0 | 97
Fair value option | Other investments |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Balance at beginning of period |  | 189 | 106
Total gains or (losses) (realized/unrealized) - included in earnings | [1] | 0 | (4)
Total gains or (losses) (realized/unrealized) - included in other comprehensive income |  | 0 | 0
Purchases, issuances, sales and settlements |  |  |
Purchases |  | 52 | 30
Issuances |  | 0 | 0
Sales |  | 0 | 0
Settlements |  | (35) | (6)
Transfers in and/or out of Level 3 |  | 0 | 0
Balance at end of period |  | 206 | 126
Fair value option | Short term investments |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Balance at beginning of period |  | 33 | 10
Total gains or (losses) (realized/unrealized) - included in earnings | [1] | 0 | 0
Total gains or (losses) (realized/unrealized) - included in other comprehensive income |  | 0 | 0
Purchases, issuances, sales and settlements |  |  |
Purchases |  | 6 | 7
Issuances |  | 0 | 0
Sales |  | 0 | 0
Settlements |  | (10) | 0
Transfers in and/or out of Level 3 |  | 0 | 0
Balance at end of period |  | 29 | 17
Fair value option | Equity securities |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Balance at beginning of period |  | 4 | 4
Total gains or (losses) (realized/unrealized) - included in earnings | [1] | 0 | 0
Total gains or (losses) (realized/unrealized) - included in other comprehensive income |  | 0 | 0
Purchases, issuances, sales and settlements |  |  |
Purchases |  | 0 | 0
Issuances |  | 0 | 0
Sales |  | 0 | 0
Settlements |  | 0 | 0
Transfers in and/or out of Level 3 |  | 0 | 0
Balance at end of period |  | 4 | 4
Equity securities |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Balance at beginning of period |  | 7 | 5
Total gains or (losses) (realized/unrealized) - included in earnings | [1] | 0 | 0
Total gains or (losses) (realized/unrealized) - included in other comprehensive income |  | 0 | 0
Purchases, issuances, sales and settlements |  |  |
Purchases |  | 0 | 0
Issuances |  | 0 | 0
Sales |  | 0 | 0
Settlements |  | 0 | 0
Transfers in and/or out of Level 3 |  | 0 | 0
Balance at end of period |  | $ 7 | $ 5
[1] | Gains or losses were included in net realized gains (losses).

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