XML 90 R71.htm IDEA: XBRL DOCUMENT
v3.23.2

Fair Value - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022 | Jun. 30, 2022
--- | --- | --- | ---
Assets |  |  |
Available-for-sale securities | $ 128,559 | $ 112,225 |
Investment funds | 15,868 | 14,128 |
Derivative assets | 5,114 | 3,309 |
Restricted cash | 2,203 | 628 |
Reinsurance recoverable | 4,236 | 4,358 |
Other assets (related party: 2023 – $189 and 2022 – $161) | 7,914 | 8,693 |
Liabilities |  |  |
Interest sensitive contract liabilities | 184,359 | 173,616 | $ 164,487
Future policy benefits | 50,284 | 42,110 | 41,199
Market risk benefits | 3,195 | 2,970 | 3,163
Derivative liabilities | 1,753 | 1,646 |
Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 115,152 | 102,404 |
Trading securities, at fair value | 1,628 | 1,595 |
Mortgage loans | 34,668 | 27,454 |
Investment funds | 123 | 79 |
Funds withheld at interest | (27,844) | (32,880) |
Derivative assets | 5,114 | 3,309 |
Short-term investments | 650 | 2,160 |
Other investments | 741 | 773 |
Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 13,407 | 9,821 |
Trading securities, at fair value | 867 | 878 |
Equity securities, at fair value | 313 | 279 |
Mortgage loans | 1,296 | 1,302 |
Investment funds | 1,636 | 1,569 |
Funds withheld at interest | (9,017) | (9,808) |
Short-term investments | 891 | 0 |
Other investments | 343 | 303 |
Other assets (related party: 2023 – $189 and 2022 – $161) | 189 | 161 |
Liabilities |  |  |
Interest sensitive contract liabilities | 10,877 | 11,889 |
Future policy benefits | 1,321 | 1,353 |
Market risk benefits | 210 |  | $ 195
Variable Interest Entities |  |  |
Assets |  |  |
Trading securities, at fair value | 1,720 | 1,063 |
Mortgage loans | 2,113 | 2,055 |
Investment funds | 14,109 | 12,480 |
Other investments | 100 | 101 |
Other assets (related party: 2023 – $189 and 2022 – $161) | 120 | 112 |
U.S. government and agencies | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 4,821 | 2,577 |
US state, municipal and political subdivisions | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 1,054 | 927 |
Foreign governments | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 1,008 | 907 |
Corporate | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 67,410 | 60,901 |
Corporate | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 1,343 | 982 |
CLO | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 18,521 | 16,493 |
CLO | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 3,806 | 3,079 |
ABS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 11,350 | 10,527 |
ABS | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 8,258 | 5,760 |
CMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 4,500 | 4,158 |
RMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 6,488 | 5,914 |
Level 3 |  |  |
Assets |  |  |
Available-for-sale securities | 13,800 | 10,671 |
Mortgage loans | 38,077 | 30,811 |
Recurring | Level 1 |  |  |
Assets |  |  |
Cash and cash equivalents | 10,601 | 7,779 |
Restricted cash | 2,203 | 628 |
Reinsurance recoverable | 0 |  |
Other assets (related party: 2023 – $189 and 2022 – $161) | 0 |  |
Total assets measured at fair value | 18,140 | 11,588 |
Liabilities |  |  |
Market risk benefits | 0 | 0 |
Derivative liabilities | 35 | 38 |
Other liabilities |  | 0 |
Total liabilities measured at fair value | 35 | 38 |
Recurring | Level 1 | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 4,824 | 2,570 |
Trading securities, at fair value | 24 | 23 |
Equity securities, at fair value | 194 | 150 |
Mortgage loans | 0 | 0 |
Derivative assets | 111 | 42 |
Short-term investments | 0 | 29 |
Other investments | 0 | 0 |
Recurring | Level 1 | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Trading securities, at fair value | 0 | 0 |
Equity securities, at fair value | 61 | 0 |
Mortgage loans | 0 | 0 |
Investment funds | 0 | 0 |
Other investments | 0 | 0 |
Reinsurance recoverable |  | 0 |
Recurring | Level 1 | Variable Interest Entities |  |  |
Assets |  |  |
Trading securities, at fair value | 0 | 5 |
Mortgage loans | 0 | 0 |
Investment funds | 0 | 0 |
Other investments | 0 | 0 |
Cash and cash equivalents | 122 | 362 |
Recurring | Level 1 | Related Party |  |  |
Assets |  |  |
Other assets (related party: 2023 – $189 and 2022 – $161) |  | 0 |
Recurring | Level 1 | Universal life |  |  |
Liabilities |  |  |
Interest sensitive contract liabilities | 0 | 0 |
Recurring | Level 1 | AmerUs Closed Block |  |  |
Liabilities |  |  |
Future policy benefits | 0 | 0 |
Recurring | Level 1 | ILICO Closed Block and life benefits |  |  |
Liabilities |  |  |
Future policy benefits | 0 | 0 |
Recurring | Level 1 | Embedded derivatives |  |  |
Liabilities |  |  |
Interest sensitive contract liabilities | 0 | 0 |
Recurring | Level 1 | Embedded derivatives | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Funds withheld at interest |  | 0 |
Recurring | Level 1 | Embedded derivatives | Related Party |  |  |
Assets |  |  |
Funds withheld at interest |  | 0 |
Recurring | Level 1 | U.S. government and agencies | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 4,814 | 2,570 |
Recurring | Level 1 | US state, municipal and political subdivisions | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 1 | Foreign governments | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 1 | Corporate | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 10 | 0 |
Recurring | Level 1 | Corporate | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 1 | CLO | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 1 | CLO | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 1 | ABS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 1 | ABS | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 1 | CMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 1 | RMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 2 |  |  |
Assets |  |  |
Cash and cash equivalents | 0 | 0 |
Restricted cash | 0 | 0 |
Reinsurance recoverable | 0 |  |
Other assets (related party: 2023 – $189 and 2022 – $161) | 0 |  |
Total assets measured at fair value | 114,826 | 102,927 |
Liabilities |  |  |
Market risk benefits | 0 | 0 |
Derivative liabilities | 1,717 | 1,607 |
Other liabilities | (28) | (77) |
Total liabilities measured at fair value | 1,689 | 1,530 |
Recurring | Level 2 | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 102,497 | 93,069 |
Trading securities, at fair value | 1,566 | 1,519 |
Equity securities, at fair value | 635 | 845 |
Mortgage loans | 0 | 0 |
Derivative assets | 5,003 | 3,267 |
Short-term investments | 620 | 455 |
Other investments | 210 | 170 |
Recurring | Level 2 | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 3,999 | 3,164 |
Trading securities, at fair value | 0 | 0 |
Equity securities, at fair value | 0 | 0 |
Mortgage loans | 0 | 0 |
Investment funds | 0 | 0 |
Other investments | 0 | 0 |
Reinsurance recoverable |  | 0 |
Recurring | Level 2 | Variable Interest Entities |  |  |
Assets |  |  |
Trading securities, at fair value | 295 | 436 |
Mortgage loans | 0 | 0 |
Investment funds | 0 | 0 |
Other investments | 1 | 2 |
Cash and cash equivalents | 0 | 0 |
Recurring | Level 2 | Related Party |  |  |
Assets |  |  |
Other assets (related party: 2023 – $189 and 2022 – $161) |  | 0 |
Recurring | Level 2 | Universal life |  |  |
Liabilities |  |  |
Interest sensitive contract liabilities | 0 | 0 |
Recurring | Level 2 | AmerUs Closed Block |  |  |
Liabilities |  |  |
Future policy benefits | 0 | 0 |
Recurring | Level 2 | ILICO Closed Block and life benefits |  |  |
Liabilities |  |  |
Future policy benefits | 0 | 0 |
Recurring | Level 2 | Embedded derivatives |  |  |
Liabilities |  |  |
Interest sensitive contract liabilities | 0 | 0 |
Recurring | Level 2 | Embedded derivatives | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Funds withheld at interest |  | 0 |
Recurring | Level 2 | Embedded derivatives | Related Party |  |  |
Assets |  |  |
Funds withheld at interest |  | 0 |
Recurring | Level 2 | U.S. government and agencies | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 7 | 7 |
Recurring | Level 2 | US state, municipal and political subdivisions | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 1,054 | 927 |
Recurring | Level 2 | Foreign governments | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 960 | 906 |
Recurring | Level 2 | Corporate | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 64,940 | 59,236 |
Recurring | Level 2 | Corporate | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 172 | 170 |
Recurring | Level 2 | CLO | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 18,521 | 16,493 |
Recurring | Level 2 | CLO | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 3,311 | 2,776 |
Recurring | Level 2 | ABS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 6,045 | 5,660 |
Recurring | Level 2 | ABS | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 516 | 218 |
Recurring | Level 2 | CMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 4,488 | 4,158 |
Recurring | Level 2 | RMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 6,482 | 5,682 |
Recurring | Level 3 |  |  |
Assets |  |  |
Cash and cash equivalents | 0 | 0 |
Restricted cash | 0 | 0 |
Reinsurance recoverable | 1,436 |  |
Other assets (related party: 2023 – $189 and 2022 – $161) | 433 |  |
Total assets measured at fair value | 57,402 | 46,063 |
Liabilities |  |  |
Market risk benefits | 3,195 | 2,970 |
Derivative liabilities | 1 | 1 |
Other liabilities | 209 | 142 |
Total liabilities measured at fair value | 14,187 | 11,495 |
Recurring | Level 3 | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 7,831 | 6,765 |
Trading securities, at fair value | 38 | 53 |
Equity securities, at fair value | 67 | 92 |
Mortgage loans | 34,668 | 27,454 |
Derivative assets | 0 | 0 |
Short-term investments | 30 | 36 |
Other investments | 337 | 441 |
Recurring | Level 3 | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 9,408 | 6,657 |
Trading securities, at fair value | 867 | 878 |
Equity securities, at fair value | 252 | 279 |
Mortgage loans | 1,296 | 1,302 |
Investment funds | 1,061 | 959 |
Other investments | 343 | 303 |
Reinsurance recoverable |  | 1,388 |
Recurring | Level 3 | Variable Interest Entities |  |  |
Assets |  |  |
Trading securities, at fair value | 1,425 | 622 |
Mortgage loans | 2,113 | 2,055 |
Investment funds | 1,351 | 2,471 |
Other investments | 99 | 99 |
Cash and cash equivalents | 0 | 0 |
Recurring | Level 3 | Related Party |  |  |
Assets |  |  |
Other assets (related party: 2023 – $189 and 2022 – $161) |  | 481 |
Recurring | Level 3 | Universal life |  |  |
Liabilities |  |  |
Interest sensitive contract liabilities | 854 | 829 |
Recurring | Level 3 | AmerUs Closed Block |  |  |
Liabilities |  |  |
Future policy benefits | 1,159 | 1,164 |
Recurring | Level 3 | ILICO Closed Block and life benefits |  |  |
Liabilities |  |  |
Future policy benefits | 571 | 548 |
Recurring | Level 3 | Embedded derivatives |  |  |
Liabilities |  |  |
Interest sensitive contract liabilities | 8,198 | 5,841 |
Recurring | Level 3 | Embedded derivatives | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Funds withheld at interest |  | 4,847 |
Recurring | Level 3 | Embedded derivatives | Related Party |  |  |
Assets |  |  |
Funds withheld at interest |  | (1,425) |
Recurring | Level 3 | U.S. government and agencies | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 3 | US state, municipal and political subdivisions | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 3 | Foreign governments | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 48 | 1 |
Recurring | Level 3 | Corporate | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 2,460 | 1,665 |
Recurring | Level 3 | Corporate | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 1,171 | 812 |
Recurring | Level 3 | CLO | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | Level 3 | CLO | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 495 | 303 |
Recurring | Level 3 | ABS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 5,305 | 4,867 |
Recurring | Level 3 | ABS | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 7,742 | 5,542 |
Recurring | Level 3 | CMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 12 | 0 |
Recurring | Level 3 | RMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 6 | 232 |
Recurring | NAV |  |  |
Assets |  |  |
Cash and cash equivalents | 0 | 0 |
Restricted cash | 0 | 0 |
Reinsurance recoverable | 0 |  |
Other assets (related party: 2023 – $189 and 2022 – $161) | 0 |  |
Total assets measured at fair value | 12,758 | 10,009 |
Liabilities |  |  |
Market risk benefits | 0 | 0 |
Derivative liabilities | 0 | 0 |
Other liabilities |  | 0 |
Total liabilities measured at fair value | 0 | 0 |
Recurring | NAV | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Trading securities, at fair value | 0 | 0 |
Equity securities, at fair value | 0 | 0 |
Mortgage loans | 0 | 0 |
Derivative assets | 0 | 0 |
Short-term investments | 0 | 0 |
Other investments | 0 | 0 |
Recurring | NAV | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Trading securities, at fair value | 0 | 0 |
Equity securities, at fair value | 0 | 0 |
Mortgage loans | 0 | 0 |
Investment funds | 0 | 0 |
Other investments | 0 | 0 |
Reinsurance recoverable |  | 0 |
Recurring | NAV | Variable Interest Entities |  |  |
Assets |  |  |
Trading securities, at fair value | 0 | 0 |
Mortgage loans | 0 | 0 |
Investment funds | 12,758 | 10,009 |
Other investments | 0 | 0 |
Cash and cash equivalents | 0 | 0 |
Recurring | NAV | Related Party |  |  |
Assets |  |  |
Other assets (related party: 2023 – $189 and 2022 – $161) |  | 0 |
Recurring | NAV | Universal life |  |  |
Liabilities |  |  |
Interest sensitive contract liabilities | 0 | 0 |
Recurring | NAV | AmerUs Closed Block |  |  |
Liabilities |  |  |
Future policy benefits | 0 | 0 |
Recurring | NAV | ILICO Closed Block and life benefits |  |  |
Liabilities |  |  |
Future policy benefits | 0 | 0 |
Recurring | NAV | Embedded derivatives |  |  |
Liabilities |  |  |
Interest sensitive contract liabilities | 0 | 0 |
Recurring | NAV | Embedded derivatives | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Funds withheld at interest |  | 0 |
Recurring | NAV | Embedded derivatives | Related Party |  |  |
Assets |  |  |
Funds withheld at interest |  | 0 |
Recurring | NAV | U.S. government and agencies | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | NAV | US state, municipal and political subdivisions | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | NAV | Foreign governments | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | NAV | Corporate | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | NAV | Corporate | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | NAV | CLO | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | NAV | CLO | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | NAV | ABS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | NAV | ABS | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | NAV | CMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Recurring | NAV | RMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 0 | 0 |
Fair Value |  |  |
Assets |  |  |
Short-term investments |  | 1,640 |
Total assets measured at fair value | 44,634 | 51,798 |
Liabilities |  |  |
Interest sensitive contract liabilities | 121,326 | 111,608 |
Fair Value | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Investment funds | 123 | 79 |
Funds withheld at interest | (32,200) | (37,727) |
Other investments | 195 | 162 |
Fair Value | Related Party |  |  |
Assets |  |  |
Investment funds | 575 | 610 |
Funds withheld at interest | (10,314) | (11,233) |
Short-term investments | 891 |  |
Fair Value | Level 1 |  |  |
Assets |  |  |
Short-term investments |  | 0 |
Total assets measured at fair value | 0 | 0 |
Liabilities |  |  |
Interest sensitive contract liabilities | 0 | 0 |
Fair Value | Level 1 | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Investment funds | 0 | 0 |
Funds withheld at interest | 0 | 0 |
Other investments | 0 | 0 |
Fair Value | Level 1 | Related Party |  |  |
Assets |  |  |
Investment funds | 0 | 0 |
Funds withheld at interest | 0 | 0 |
Short-term investments | 0 |  |
Fair Value | Level 2 |  |  |
Assets |  |  |
Short-term investments |  | 1,614 |
Total assets measured at fair value | 1,227 | 1,961 |
Liabilities |  |  |
Interest sensitive contract liabilities | 0 | 0 |
Fair Value | Level 2 | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Investment funds | 0 | 0 |
Funds withheld at interest | 0 | 0 |
Other investments | 0 | 0 |
Fair Value | Level 2 | Related Party |  |  |
Assets |  |  |
Investment funds | 0 | 0 |
Funds withheld at interest | 0 | 0 |
Short-term investments | 891 |  |
Fair Value | Level 3 |  |  |
Assets |  |  |
Short-term investments |  | 26 |
Total assets measured at fair value | 42,709 | 49,148 |
Liabilities |  |  |
Interest sensitive contract liabilities | 121,326 | 111,608 |
Fair Value | Level 3 | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Investment funds | 0 | 0 |
Funds withheld at interest | (32,200) | (37,727) |
Other investments | 195 | 162 |
Fair Value | Level 3 | Related Party |  |  |
Assets |  |  |
Investment funds | 0 | 0 |
Funds withheld at interest | (10,314) | (11,233) |
Short-term investments | 0 |  |
Fair Value | NAV |  |  |
Assets |  |  |
Total assets measured at fair value | 698 | 689 |
Liabilities |  |  |
Interest sensitive contract liabilities | 0 | 0 |
Fair Value | NAV | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Investment funds | 123 | 79 |
Funds withheld at interest | 0 | 0 |
Short-term investments |  | 0 |
Other investments | 0 | 0 |
Fair Value | NAV | Related Party |  |  |
Assets |  |  |
Investment funds | 575 | 610 |
Funds withheld at interest | 0 | 0 |
Short-term investments | 0 |  |
Fair Value | Recurring |  |  |
Assets |  |  |
Cash and cash equivalents | 10,601 | 7,779 |
Restricted cash | 2,203 | 628 |
Reinsurance recoverable | 1,436 | 1,388 |
Other assets (related party: 2023 – $189 and 2022 – $161) | 433 |  |
Total assets measured at fair value | 203,126 | 170,587 |
Liabilities |  |  |
Interest sensitive contract liabilities | 9,052 | 6,670 |
Future policy benefits | 1,730 | 1,712 |
Market risk benefits | 3,195 | 2,970 |
Derivative liabilities | 1,753 | 1,646 |
Other liabilities |  | 65 |
Total liabilities measured at fair value | 15,911 | 13,063 |
Fair Value | Recurring | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 115,152 | 102,404 |
Trading securities, at fair value | 1,628 | 1,595 |
Equity securities, at fair value | 896 | 1,087 |
Mortgage loans | 34,668 | 27,454 |
Embedded derivative assets, fair value | (4,356) | (4,847) |
Derivative assets | 5,114 | 3,309 |
Short-term investments | 650 | 520 |
Other investments | 547 | 611 |
Fair Value | Recurring | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 13,407 | 9,821 |
Trading securities, at fair value | 867 | 878 |
Equity securities, at fair value | 313 | 279 |
Mortgage loans | 1,296 | 1,302 |
Investment funds | 1,061 | 959 |
Embedded derivative assets, fair value | (1,297) | (1,425) |
Other investments | 343 | 303 |
Reinsurance recoverable |  | 1,388 |
Fair Value | Recurring | Variable Interest Entities |  |  |
Assets |  |  |
Trading securities, at fair value | 1,720 | 1,063 |
Mortgage loans | 2,113 | 2,055 |
Investment funds | 14,109 | 12,480 |
Other investments | 100 | 101 |
Cash and cash equivalents | 122 | 362 |
Fair Value | Recurring | Related Party |  |  |
Assets |  |  |
Other assets (related party: 2023 – $189 and 2022 – $161) |  | 481 |
Fair Value | Recurring | Universal life |  |  |
Liabilities |  |  |
Interest sensitive contract liabilities | 854 | 829 |
Fair Value | Recurring | AmerUs Closed Block |  |  |
Liabilities |  |  |
Future policy benefits | 1,159 | 1,164 |
Fair Value | Recurring | ILICO Closed Block and life benefits |  |  |
Liabilities |  |  |
Future policy benefits | 571 | 548 |
Fair Value | Recurring | Embedded derivatives |  |  |
Liabilities |  |  |
Interest sensitive contract liabilities | 8,198 | 5,841 |
Fair Value | Recurring | Embedded derivatives | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Funds withheld at interest |  | 4,847 |
Fair Value | Recurring | Embedded derivatives | Related Party |  |  |
Assets |  |  |
Funds withheld at interest |  | (1,425) |
Fair Value | Recurring | U.S. government and agencies | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 4,821 | 2,577 |
Fair Value | Recurring | US state, municipal and political subdivisions | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 1,054 | 927 |
Fair Value | Recurring | Foreign governments | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 1,008 | 907 |
Fair Value | Recurring | Corporate | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 67,410 | 60,901 |
Fair Value | Recurring | Corporate | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 1,343 | 982 |
Fair Value | Recurring | CLO | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 18,521 | 16,493 |
Fair Value | Recurring | CLO | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 3,806 | 3,079 |
Fair Value | Recurring | ABS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 11,350 | 10,527 |
Fair Value | Recurring | ABS | Related Party |  |  |
Assets |  |  |
Available-for-sale securities | 8,258 | 5,760 |
Fair Value | Recurring | CMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 4,500 | 4,158 |
Fair Value | Recurring | RMBS | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Available-for-sale securities | 6,488 | $ 5,914 |
Funds withheld at interest | Recurring | Level 1 |  |  |
Liabilities |  |  |
Other liabilities | 0 |  |
Funds withheld at interest | Recurring | Level 1 | Embedded derivatives | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Embedded derivative assets, fair value | 0 |  |
Funds withheld at interest | Recurring | Level 1 | Embedded derivatives | Related Party |  |  |
Assets |  |  |
Embedded derivative assets, fair value | 0 |  |
Funds withheld at interest | Recurring | Level 2 | Embedded derivatives | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Embedded derivative assets, fair value | 0 |  |
Funds withheld at interest | Recurring | Level 2 | Embedded derivatives | Related Party |  |  |
Assets |  |  |
Embedded derivative assets, fair value | 0 |  |
Funds withheld at interest | Recurring | Level 3 | Embedded derivatives | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Embedded derivative assets, fair value | (4,356) |  |
Funds withheld at interest | Recurring | Level 3 | Embedded derivatives | Related Party |  |  |
Assets |  |  |
Embedded derivative assets, fair value | (1,297) |  |
Funds withheld at interest | Recurring | NAV |  |  |
Liabilities |  |  |
Other liabilities | 0 |  |
Funds withheld at interest | Recurring | NAV | Embedded derivatives | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Embedded derivative assets, fair value | 0 |  |
Funds withheld at interest | Recurring | NAV | Embedded derivatives | Related Party |  |  |
Assets |  |  |
Embedded derivative assets, fair value | 0 |  |
Funds withheld at interest | Fair Value | Recurring |  |  |
Liabilities |  |  |
Other liabilities | 181 |  |
Funds withheld at interest | Fair Value | Recurring | Embedded derivatives | Consolidated Entity, excluding Affiliated Entity |  |  |
Assets |  |  |
Embedded derivative assets, fair value | (4,356) |  |
Funds withheld at interest | Fair Value | Recurring | Embedded derivatives | Related Party |  |  |
Assets |  |  |
Embedded derivative assets, fair value | $ (1,297) |  |

X
- Definition Other investments including, but not limited to: partnership interests, credit funds, hedge funds, and private equity. + References No definition available. + Details
Name: | ahl_InvestmentFunds
Namespace Prefix: | ahl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Other Liabilities, Net + References No definition available. + Details
Name: | ahl_OtherLiabilitiesNet
Namespace Prefix: | ahl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-12 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 55 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480493/946-210-55-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-1 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-1 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(3)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5C -Subparagraph (SX 210.12-13C(Column H)(Footnote 7)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5C Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(3)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SX 210.12-13(Column A)(Footnote 3)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5C -Subparagraph (SX 210.12-13C(Column H)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5C Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5A -Subparagraph (SX 210.12-13A(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5A Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5B -Subparagraph (SX 210.12-13B(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5B Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5B -Subparagraph (SX 210.12-13B(Column E)(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5B Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 Reference 22: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-22 Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-10 Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-10 + Details
Name: | us-gaap_DerivativeAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480524/946-210-50-6 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(9)(e)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5C -Subparagraph (SX 210.12-13C(Column H)(Footnote 7)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5C Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(9)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(9)(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SX 210.12-13(Column G)(Footnote 8)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5C -Subparagraph (SX 210.12-13C(Column H)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5C Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SX 210.12-13(Column G)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5A -Subparagraph (SX 210.12-13A(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5A Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5B -Subparagraph (SX 210.12-13B(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5B Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5B -Subparagraph (SX 210.12-13B(Column E)(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5B Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 Reference 22: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-22 Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-10 Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-10 + Details
Name: | us-gaap_DerivativeLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B + Details
Name: | us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483467/210-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482736/825-10-45-1A + Details
Name: | us-gaap_EquitySecuritiesFvNi
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of the reinsurer's funds held on its behalf by the ceding insurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 + Details
Name: | us-gaap_FundsHeldUnderReinsuranceAgreementsAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before effect of reinsurance, of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480016/944-40-65-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29E Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(13)(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of liability position for contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29G -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29G Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7B + Details
Name: | us-gaap_MarketRiskBenefitLiabilityAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 + Details
Name: | us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of assets classified as other. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480167/946-830-55-12 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_OtherAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investments classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_OtherInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of liability due to policyholder for deposit held under long-duration contract issued by insurance entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 25 -Paragraph 14 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479250/944-40-25-14 + Details
Name: | us-gaap_PolicyholderContractDeposits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479838/944-20-50-5 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479616/944-310-45-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 + Details
Name: | us-gaap_ReinsuranceRecoverables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-8 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-4 + Details
Name: | us-gaap_RestrictedCashAndCashEquivalents
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_ShortTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483467/210-10-45-1 + Details
Name: | us-gaap_TradingSecuritiesDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=ahl_ConsolidatedEntityExcludingAffiliatedEntityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_AffiliatedEntityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasuryAndGovernmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ForeignGovernmentDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CollateralizedDebtObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_AffiliatedEntityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_UniversalLifeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=ahl_AmerUsClosedBlockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=ahl_IndianapolisLifeInsuranceCompanyClosedBlockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EmbeddedDerivativeFinancialInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=ahl_FundsWithheldatInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |