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v3.25.3

Fair value measurement - Certain Items on Recurring Basis (Details) - Measured at fair value on a recurring basis - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
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Non-agency RMBS |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 1,407 | $ 1,478
Non-agency RMBS | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 98.00%
Non-agency RMBS | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 2.00%
Non-agency RMBS | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency RMBS | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency RMBS | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency RMBS | 2008-2025 |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 1,401 | $ 1,453
Non-agency RMBS | 2008-2025 | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 98.00%
Non-agency RMBS | 2008-2025 | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 2.00%
Non-agency RMBS | 2008-2025 | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency RMBS | 2008-2025 | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency RMBS | 2008-2025 | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency RMBS | 2007 and earlier |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 6 | $ 25
Non-agency RMBS | 2007 and earlier | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency RMBS | 2007 and earlier | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Non-agency RMBS | 2007 and earlier | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency RMBS | 2007 and earlier | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency RMBS | 2007 and earlier | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency commercial MBS | 2009-2025 | Domestic |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 2,210 | $ 2,487
Non-agency commercial MBS | 2009-2025 | AAA/ AA- | Domestic |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Non-agency commercial MBS | 2009-2025 | A/ A- | Domestic |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency commercial MBS | 2009-2025 | BBB/ BBB- | Domestic |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency commercial MBS | 2009-2025 | BB and lower | Domestic |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-agency commercial MBS | 2009-2025 | Not Rated | Domestic |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 7,762 | $ 7,068
Foreign covered bonds | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Foreign covered bonds | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Canada |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 1,932 | $ 2,113
Foreign covered bonds | Canada | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Foreign covered bonds | Canada | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Canada | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Canada | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Canada | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | UK |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 1,011 | $ 911
Foreign covered bonds | UK | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Foreign covered bonds | UK | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | UK | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | UK | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | UK | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Germany |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 743 | $ 598
Foreign covered bonds | Germany | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Foreign covered bonds | Germany | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Germany | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Germany | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Germany | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Australia |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 778 | $ 574
Foreign covered bonds | Australia | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Foreign covered bonds | Australia | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Australia | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Australia | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Australia | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Singapore |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 596 | $ 554
Foreign covered bonds | Singapore | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Foreign covered bonds | Singapore | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Singapore | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Singapore | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Singapore | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Netherlands |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 531 | $ 465
Foreign covered bonds | Netherlands | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Foreign covered bonds | Netherlands | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Netherlands | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Netherlands | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Netherlands | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Other |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 2,171 | $ 1,853
Foreign covered bonds | Other | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Foreign covered bonds | Other | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Other | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Other | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Foreign covered bonds | Other | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Canada |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 1,880 | $ 1,463
Non-U.S. government | Canada | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 90.00% | 100.00%
Non-U.S. government | Canada | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 10.00% | 0.00%
Non-U.S. government | Canada | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Canada | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Canada | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | UK |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 4,395 | $ 3,383
Non-U.S. government | UK | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Non-U.S. government | UK | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | UK | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | UK | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | UK | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Germany |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 2,094 | $ 2,308
Non-U.S. government | Germany | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Non-U.S. government | Germany | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Germany | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Germany | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Germany | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Netherlands |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 1,823 | $ 705
Non-U.S. government | Netherlands | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Non-U.S. government | Netherlands | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Netherlands | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Netherlands | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Netherlands | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Other |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 1,542 | $ 1,536
Non-U.S. government | Other | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 56.00% | 68.00%
Non-U.S. government | Other | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 32.00% | 19.00%
Non-U.S. government | Other | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 3.00% | 4.00%
Non-U.S. government | Other | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 9.00% | 9.00%
Non-U.S. government | Other | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | France |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 2,288 | $ 1,732
Non-U.S. government | France | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Non-U.S. government | France | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | France | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | France | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | France | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Austria |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 743 | $ 388
Non-U.S. government | Austria | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Non-U.S. government | Austria | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Austria | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Austria | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Austria | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Finland |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 716 | $ 527
Non-U.S. government | Finland | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Non-U.S. government | Finland | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Finland | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Finland | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Finland | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Spain |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 629 | $ 617
Non-U.S. government | Spain | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Spain | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 2.00%
Non-U.S. government | Spain | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 98.00%
Non-U.S. government | Spain | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Spain | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Japan |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 464 | $ 377
Non-U.S. government | Japan | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Japan | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Non-U.S. government | Japan | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Japan | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Japan | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Belgium |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 362 | $ 728
Non-U.S. government | Belgium | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Non-U.S. government | Belgium | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Belgium | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Belgium | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Belgium | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Non-U.S. government | Sovereign debt/sovereign guaranteed | Brazil | Carrying amount |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 139 | $ 135
Supranational |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 11,559 | $ 10,983
Supranational | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 100.00% | 100.00%
Supranational | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Supranational | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Supranational | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Supranational | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%
Total non-U.S. government |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Total carrying value | $ 28,495 | $ 24,747
Total non-U.S. government | AAA/ AA- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 93.00% | 94.00%
Total non-U.S. government | A/ A- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 6.00% | 3.00%
Total non-U.S. government | BBB/ BBB- |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 3.00%
Total non-U.S. government | BB and lower |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 1.00% | 0.00%
Total non-U.S. government | Not Rated |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Ratings | 0.00% | 0.00%

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