Fair Value Fair Value - Reconciliation of Level 3 Financial Instruments (Details) - USD ($) $ in Millions | 3 Months Ended |
Mar. 31, 2021 | Mar. 31, 2020 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | $ 14,840 | $ 8,958 |
Total realized and unrealized gains (losses) included in income | (1,811) | (1,904) |
Total realized and unrealized gains (losses) included in OCI | 32 | (390) |
Purchases, issuances, sales and settlements, net | 770 | 1,073 |
Transfers in | (124) | 248 |
Transfers (out) | (382) | (419) |
Ending balance | 13,707 | 7,985 |
Total gains (losses) included in earnings | 12 | (434) |
Beginning balance | (16,561) | (14,296) |
Total realized and unrealized gains (losses) included in income | 656 | 943 |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 65 | 676 |
Transfers in | 0 | 0 |
Transfers (out) | 0 | 0 |
Ending balance | (15,840) | (12,677) |
Total gains (losses) included in earnings | (1) | 0 |
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 39 | (356) |
Reinsurance Recoverable Including Reinsurance Premium Paid [Member] | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 2,100 | 1,821 |
Total realized and unrealized gains (losses) included in income | (220) | 294 |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | 0 |
Transfers in | 0 | 0 |
Ending balance | 1,880 | 2,115 |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Short-term Investments [Member] | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 2 | 41 |
Total realized and unrealized gains (losses) included in income | 0 | 0 |
Total realized and unrealized gains (losses) included in OCI | 0 | (1) |
Purchases, issuances, sales and settlements, net | 0 | 27 |
Transfers in | (2) | 0 |
Ending balance | 0 | 67 |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Mortgage loans | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 19 | 27 |
Total realized and unrealized gains (losses) included in income | 0 | 0 |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | (1) | (1) |
Transfers in | 0 | 0 |
Transfers (out) | 0 | 0 |
Ending balance | 18 | 26 |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Equity securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 11 | 3 |
Total realized and unrealized gains (losses) included in income | 3 | 4 |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | 0 |
Transfers in | 0 | 0 |
Ending balance | 14 | 7 |
Total gains (losses) included in earnings | 4 | 4 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Investment funds | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 17 | 22 |
Total realized and unrealized gains (losses) included in income | 3 | (1) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 42 | 0 |
Transfers in | 109 | 0 |
Transfers (out) | 0 | |
Ending balance | 171 | 21 |
Total gains (losses) included in earnings | 3 | (1) |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Embedded derivatives | Funds withheld at interest | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 1,944 | 801 |
Total realized and unrealized gains (losses) included in income | (1,308) | (1,175) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | 0 |
Transfers in | 0 | 0 |
Ending balance | 636 | (374) |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Related Party | Equity securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 72 | 64 |
Total realized and unrealized gains (losses) included in income | 8 | (10) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 34 | 1 |
Transfers in | 0 | (6) |
Transfers (out) | 0 | (6) |
Ending balance | 114 | 49 |
Total gains (losses) included in earnings | 8 | (10) |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Related Party | Investment funds | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 2,033 | 132 |
Total realized and unrealized gains (losses) included in income | (63) | (300) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | 1,147 |
Transfers in | 0 | 0 |
Transfers (out) | | 0 |
Ending balance | 1,970 | 979 |
Total gains (losses) included in earnings | (63) | (300) |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Related Party | Embedded derivatives | Funds withheld at interest | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 862 | 594 |
Total realized and unrealized gains (losses) included in income | (282) | (609) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | 0 |
Transfers in | 0 | 0 |
Ending balance | 580 | (15) |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
RMBS | Trading securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 47 | 52 |
Total realized and unrealized gains (losses) included in income | (5) | (1) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | 0 |
Transfers in | 17 | 19 |
Transfers (out) | (3) | (1) |
Ending balance | 59 | 70 |
Total gains (losses) included in earnings | (2) | 1 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
RMBS | Available-for-sale Securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | | 0 |
Total realized and unrealized gains (losses) included in income | | 0 |
Total realized and unrealized gains (losses) included in OCI | | 0 |
Purchases, issuances, sales and settlements, net | | 0 |
Transfers in | | 42 |
Transfers (out) | | 0 |
Ending balance | | 42 |
Total gains (losses) included in earnings | | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | | 0 |
ABS | Trading securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 35 | 16 |
Total realized and unrealized gains (losses) included in income | 0 | 0 |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | (2) |
Transfers in | 0 | 0 |
Transfers (out) | | 0 |
Ending balance | 35 | 14 |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
ABS | Available-for-sale Securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 800 | 1,374 |
Total realized and unrealized gains (losses) included in income | 3 | 22 |
Total realized and unrealized gains (losses) included in OCI | 27 | (119) |
Purchases, issuances, sales and settlements, net | 468 | (183) |
Transfers in | (91) | (177) |
Transfers (out) | (138) | (190) |
Ending balance | 1,207 | 917 |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 35 | (103) |
ABS | Related Party | Trading securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 1,475 | 711 |
Total realized and unrealized gains (losses) included in income | 35 | (101) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 131 | 66 |
Transfers in | 0 | 0 |
Transfers (out) | 0 | |
Ending balance | 1,641 | 676 |
Total gains (losses) included in earnings | 37 | (101) |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
ABS | Related Party | Available-for-sale Securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 4,109 | 2,324 |
Total realized and unrealized gains (losses) included in income | (5) | (3) |
Total realized and unrealized gains (losses) included in OCI | (27) | (220) |
Purchases, issuances, sales and settlements, net | 115 | (50) |
Transfers in | (61) | (164) |
Transfers (out) | (61) | (164) |
Ending balance | 4,131 | 1,887 |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | (27) | (205) |
CLO | Trading securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 4 | 6 |
Total realized and unrealized gains (losses) included in income | 0 | (3) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | (4) | 0 |
Transfers in | 0 | 0 |
Transfers (out) | 0 | |
Ending balance | 0 | 3 |
Total gains (losses) included in earnings | 0 | (3) |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
CLO | Available-for-sale Securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 208 | 121 |
Total realized and unrealized gains (losses) included in income | 0 | 0 |
Total realized and unrealized gains (losses) included in OCI | 0 | (9) |
Purchases, issuances, sales and settlements, net | (34) | 30 |
Transfers in | 0 | (20) |
Transfers (out) | 0 | (23) |
Ending balance | 174 | 122 |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | (9) |
CLO | Related Party | Trading securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 50 | 38 |
Total realized and unrealized gains (losses) included in income | 16 | (16) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | (3) | 1 |
Transfers in | (19) | 9 |
Transfers (out) | (25) | 0 |
Ending balance | 44 | 32 |
Total gains (losses) included in earnings | 25 | (24) |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Corporate | Trading securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | | 0 |
Total realized and unrealized gains (losses) included in income | | 0 |
Total realized and unrealized gains (losses) included in OCI | | 0 |
Purchases, issuances, sales and settlements, net | | 0 |
Transfers in | | 32 |
Transfers (out) | | 0 |
Ending balance | | 32 |
Total gains (losses) included in earnings | | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | | 0 |
Corporate | Available-for-sale Securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 778 | 725 |
Total realized and unrealized gains (losses) included in income | 4 | (5) |
Total realized and unrealized gains (losses) included in OCI | 21 | (33) |
Purchases, issuances, sales and settlements, net | 22 | 33 |
Transfers in | (43) | 513 |
Transfers (out) | (119) | (35) |
Ending balance | 782 | 1,233 |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 21 | (31) |
Corporate | Related Party | Available-for-sale Securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 195 | |
Total realized and unrealized gains (losses) included in income | 0 | |
Total realized and unrealized gains (losses) included in OCI | 6 | |
Purchases, issuances, sales and settlements, net | 0 | |
Transfers in | 0 | |
Ending balance | 201 | |
Total gains (losses) included in earnings | 0 | |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 6 | |
CMBS | Available-for-sale Securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 43 | 46 |
Total realized and unrealized gains (losses) included in income | 0 | 0 |
Total realized and unrealized gains (losses) included in OCI | 5 | (5) |
Purchases, issuances, sales and settlements, net | 0 | 4 |
Transfers in | 0 | 0 |
Transfers (out) | | 0 |
Ending balance | 48 | 45 |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 4 | (5) |
Foreign governments | Available-for-sale Securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 2 | |
Total realized and unrealized gains (losses) included in income | 0 | |
Total realized and unrealized gains (losses) included in OCI | 0 | |
Purchases, issuances, sales and settlements, net | 0 | |
Transfers in | 0 | |
Ending balance | 2 | |
Total gains (losses) included in earnings | 0 | |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | |
U.S. state, municipal and political subdivisions | Available-for-sale Securities | Investments, excluding investments in Related Party | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | 34 | 40 |
Total realized and unrealized gains (losses) included in income | 0 | 0 |
Total realized and unrealized gains (losses) included in OCI | 0 | (3) |
Purchases, issuances, sales and settlements, net | 0 | 0 |
Transfers in | (34) | 0 |
Transfers (out) | (34) | |
Ending balance | 0 | 37 |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | (3) |
Derivative Financial Instruments, Liabilities [Member] | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | (4) | (3) |
Total realized and unrealized gains (losses) included in income | (1) | (4) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | 0 |
Transfers in | 0 | 0 |
Ending balance | (5) | (7) |
Total gains (losses) included in earnings | (1) | 0 |
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Interest sensitive contract liabilities | Embedded derivatives | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | (12,873) | (10,942) |
Total realized and unrealized gains (losses) included in income | 335 | 1,177 |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 65 | 676 |
Transfers in | 0 | 0 |
Transfers (out) | 0 | 0 |
Ending balance | (12,473) | (9,089) |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
Universal life | Interest sensitive contract liabilities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | (1,308) | (1,050) |
Total realized and unrealized gains (losses) included in income | 200 | (272) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | 0 |
Transfers in | 0 | 0 |
Ending balance | (1,108) | (1,322) |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
AmerUs Closed Block | Future policy benefits | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | (1,600) | (1,546) |
Total realized and unrealized gains (losses) included in income | 103 | 65 |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | 0 |
Transfers in | 0 | 0 |
Ending balance | (1,497) | (1,481) |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | 0 | 0 |
ILICO Closed Block and life benefits | Future policy benefits | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Beginning balance | (776) | (755) |
Total realized and unrealized gains (losses) included in income | 19 | (23) |
Total realized and unrealized gains (losses) included in OCI | 0 | 0 |
Purchases, issuances, sales and settlements, net | 0 | 0 |
Transfers in | 0 | 0 |
Ending balance | (757) | (778) |
Total gains (losses) included in earnings | 0 | 0 |
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI | $ 0 | $ 0 |