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Derivatives - Offsetting Liabilities (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Dec. 31, 2019
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Offsetting of Financial Liabilities under Master Netting Agreements with Derivative Counterparties |  |
Gross Amounts of Derivative Liabilities Presented in the Consolidated Balance Sheet | $ 46 | $ 20
Net Amount of Derivative Liabilities | 19 | 6
Derivatives subject to master netting agreements |  |
Offsetting of Financial Liabilities under Master Netting Agreements with Derivative Counterparties |  |
Gross Amounts of Derivative Liabilities Presented in the Consolidated Balance Sheet | 46 | 20
Gross Amount of Eligible Offsetting Recognized Derivative Assets | 27 | 14
Net Amount of Derivative Liabilities | $ 19 | $ 6

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