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Derivative Financial Instruments - Summary of the volume and fair value positions of derivative instruments (Details) $ in Millions | Mar. 31, 2023 USD ($) contract | Dec. 31, 2022 USD ($) contract
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Derivatives, Fair Value |  |
Total asset derivatives, notional amount | $ 754 | $ 628
Total liability derivatives, notional amount | 179 | 808
Total derivatives, notional amount | $ 933 | $ 1,436
Total asset derivatives, number of contracts | contract | 7,958,000,000 | 24,723,000,000
Total liability derivatives, number of contracts | contract | 13,074,000,000 | 2,853,000,000
Total derivatives, Number of contracts | contract | 21,032,000,000 | 27,576,000,000
Net amount on balance sheet | $ 107 | $ 107
Net amount on balance sheet | (2) | (4)
Total derivatives, fair value, net | 105 | 103
Gross amount | 122 | 121
Liability derivatives, gross asset | 4 | 8
Asset derivatives, gross liability | (15) | (14)
Liability derivatives gross amount | $ (6) | $ (12)
Futures | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, number of contracts | contract | 6,842,000,000 | 24,380,000,000
Total liability derivatives, number of contracts | contract | 12,394,000,000 | 1,624,000,000
Net amount on balance sheet | $ 2 | $ 3
Net amount on balance sheet | (3) | 0
Gross amount | 2 | 3
Liability derivatives, gross asset | 0 | 0
Asset derivatives, gross liability | 0 | 0
Liability derivatives gross amount | $ (3) | $ 0
Futures | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, number of contracts | contract | 1,116,000,000 | 343,000,000
Total liability derivatives, number of contracts | contract | 680,000,000 | 1,229,000,000
Net amount on balance sheet | $ 2 | $ 0
Net amount on balance sheet | (2) | (1)
Gross amount | 2 | 0
Liability derivatives, gross asset | 0 | 0
Asset derivatives, gross liability | 0 | 0
Liability derivatives gross amount | (2) | (1)
Foreign currency forwards | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | 453 | 354
Total liability derivatives, notional amount | 176 | 283
Net amount on balance sheet | (9) | 1
Net amount on balance sheet | 3 | 0
Gross amount | 5 | 14
Liability derivatives, gross asset | 4 | 7
Asset derivatives, gross liability | (14) | (13)
Liability derivatives gross amount | (1) | (7)
Contingent consideration | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | 250 | 250
Net amount on balance sheet | 112 | 103
Gross amount | 112 | 103
Asset derivatives, gross liability | 0 | 0
Credit default swaps – buying protection | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, notional amount | 51 | 24
Total liability derivatives, notional amount | 3 | 525
Net amount on balance sheet | 0 | 0
Net amount on balance sheet | 0 | (3)
Gross amount | 1 | 1
Liability derivatives, gross asset | 0 | 1
Asset derivatives, gross liability | (1) | (1)
Liability derivatives gross amount | $ 0 | $ (4)

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