v3.20.1

Derivative Instruments - Cash Flow Derivatives (Details) - USD ($) $ in Millions | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |  |
Derivative Asset | [1] | $ 489 | $ 402
Derivative Liability | [1] | 378 | 288
Interest rate hedging instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Asset |  | 0 | 12
Derivative Liability |  | 150 | 31
Designated as Hedging Instrument |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Asset |  | 0 | 12
Derivative Liability |  | 123 | 29
Designated as Hedging Instrument | Interest rate hedging instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Asset |  | 0 | 12
Derivative Liability |  | 123 | 29
Not Designated as Hedging Instrument |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Asset |  | 489 | 390
Derivative Liability |  | 255 | 259
Not Designated as Hedging Instrument | Interest rate hedging instruments |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Asset |  | 0 | 0
Derivative Liability |  | 27 | 2
Not Designated as Hedging Instrument | Energy Related Derivative |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative Asset |  | 489 | 390
Derivative Liability |  | $ 228 | $ 257
[1] | At March 31, 2020 and December 31, 2019, we had $191 million and $191 million, respectively, of collateral under master netting arrangements that were not offset against our derivative instruments on the Consolidated Condensed Balance Sheets primarily related to initial margin requirements.

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