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Derivative Financial Instruments and Off-balance sheet Financial Instruments - Summary of the volume and fair value positions (Details) $ in Millions | Dec. 31, 2020 USD ($) contract | Dec. 31, 2019 USD ($) contract
--- | --- | ---
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | $ 2,009 | $ 75
Total liability derivatives, notional amount | 3,182 | 3,403
Total derivatives, notional amount | $ 5,191 | $ 3,478
Total asset derivatives, number of contracts | contract | 4,440 | 10,740
Total liability derivatives, number of contracts | contract | 4,108 | 6,492
Total derivatives, number of contracts | contract | 8,548 | 17,232
Net amount on balance sheet | $ 206 | $ 142
Net amount on balance sheet | (655) | (507)
Total derivatives, fair value, net | (449) | (365)
Asset derivatives, gross asset | 218 | 142
Liability derivatives, gross asset | 2 | 39
Asset derivatives, gross liability | (12) | 0
Liability derivatives, gross liability | (657) | (546)
Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | $ 2,006 | $ 73
Total asset derivatives, number of contracts | contract | 4,440 | 10,740
Net amount on balance sheet | $ 206 | $ 142
Asset derivatives, gross asset | 218 | 142
Asset derivatives, gross liability | (12) | $ 0
Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, number of contracts | contract |  | 1,089
Net amount on balance sheet |  | $ 0
Liability derivatives, gross asset |  | 0
Liability derivatives, gross liability |  | 0
Other | Other assets | Derivatives designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | 3 | 2
Net amount on balance sheet | 0 | 0
Asset derivatives, gross asset | 0 | 0
Asset derivatives, gross liability | 0 | 0
Interest rate cap agreements | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | 13 |
Net amount on balance sheet | 0 |
Asset derivatives, gross asset | 0 |
Asset derivatives, gross liability | 0 |
Interest rate cap agreements | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, notional amount | 19 | 34
Net amount on balance sheet | 0 | 0
Liability derivatives, gross asset | 0 | 0
Liability derivatives, gross liability | $ 0 | $ 0
Futures | Other assets | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, number of contracts | contract | 602 | 3,668
Net amount on balance sheet | $ 0 | $ 0
Asset derivatives, gross asset | 0 | 0
Asset derivatives, gross liability | $ 0 | $ 0
Futures | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, number of contracts | contract | 730 |
Net amount on balance sheet | $ 0 |
Liability derivatives, gross asset | 0 |
Liability derivatives, gross liability | $ 0 |
Options | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, number of contracts | contract | 2,887 | 5,539
Net amount on balance sheet | $ 190 | $ 140
Asset derivatives, gross asset | 190 | 140
Asset derivatives, gross liability | $ 0 | $ 0
Options | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, number of contracts | contract | 2,712 | 5,400
Net amount on balance sheet | $ (110) | $ (68)
Liability derivatives, gross asset | 0 | 0
Liability derivatives, gross liability | $ (110) | $ (68)
Futures | Other assets | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, number of contracts | contract | 951 | 1,533
Net amount on balance sheet | $ 1 | $ 1
Asset derivatives, gross asset | 1 | 1
Asset derivatives, gross liability | $ 0 | $ 0
Futures | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, number of contracts | contract | 666 | 3
Net amount on balance sheet | $ 0 | $ 0
Liability derivatives, gross asset | 0 | 0
Liability derivatives, gross liability | 0 | 0
Total return swap agreements - fixed income | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount |  | 56
Net amount on balance sheet |  | 1
Asset derivatives, gross asset |  | 1
Asset derivatives, gross liability |  | 0
Total return swap agreements - fixed income | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, notional amount | 50 | 119
Net amount on balance sheet | 0 | 0
Liability derivatives, gross asset | 0 | 0
Liability derivatives, gross liability | 0 | 0
Total return swap agreements - equity index | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | 8 |
Net amount on balance sheet | 1 |
Asset derivatives, gross asset | 1 |
Asset derivatives, gross liability | 0 |
Total return swap agreements - equity index | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, notional amount |  | 187
Net amount on balance sheet |  | 11
Liability derivatives, gross asset |  | 11
Liability derivatives, gross liability |  | 0
Foreign currency forwards | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | 404 |
Net amount on balance sheet | 5 |
Asset derivatives, gross asset | 13 |
Asset derivatives, gross liability | (8) |
Foreign currency forwards | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, notional amount | 367 | 745
Net amount on balance sheet | (13) | 19
Liability derivatives, gross asset | 2 | 28
Liability derivatives, gross liability | (15) | (9)
Embedded derivative financial instruments | Other investments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | 750 |
Net amount on balance sheet | 0 |
Asset derivatives, gross asset | 0 |
Asset derivatives, gross liability | 0 |
Guaranteed accumulation benefits | Contractholder funds | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, notional amount | 128 | 161
Net amount on balance sheet | (18) | (18)
Liability derivatives, gross asset | 0 | 0
Liability derivatives, gross liability | (18) | (18)
Guaranteed withdrawal benefits | Contractholder funds | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, notional amount | 190 | 205
Net amount on balance sheet | (15) | (14)
Liability derivatives, gross asset | 0 | 0
Liability derivatives, gross liability | (15) | (14)
Equity-indexed and forward starting options in life and annuity product contracts | Contractholder funds | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, notional amount | 1,785 | 1,791
Net amount on balance sheet | (483) | (430)
Liability derivatives, gross asset | 0 | 0
Liability derivatives, gross liability | (483) | (430)
Credit default swaps – buying protection | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | 77 | 17
Net amount on balance sheet | (4) | 0
Asset derivatives, gross asset | 0 | 0
Asset derivatives, gross liability | (4) | 0
Credit default swaps – buying protection | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, notional amount | 638 | 152
Net amount on balance sheet | (16) | (7)
Liability derivatives, gross asset | 0 | 0
Liability derivatives, gross liability | (16) | (7)
Credit default swaps – selling protection | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | 754 |
Net amount on balance sheet | 13 |
Asset derivatives, gross asset | 13 |
Asset derivatives, gross liability | 0 |
Credit default swaps – selling protection | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, notional amount | 5 | 9
Net amount on balance sheet | 0 | 0
Liability derivatives, gross asset | 0 | 0
Liability derivatives, gross liability | $ 0 | $ 0

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