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Supplemental Financial Information - Other Assets (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Other Assets [Abstract] |  |  |
Derivative contracts |  | $ 131 | $ 90
Intangible assets |  | 295 | 295
Other |  | 317 | 337
Other assets |  | 743 | 722
Other Assets | Interest rate derivatives |  |  |
Other Assets [Abstract] |  |  |
Derivative contracts | [1] | $ 6 | $ 0
[1] | The net amounts of derivative assets and liabilities are reconciled to the individual line item amounts presented in the unaudited Condensed Consolidated Balance Sheet in Note 9.

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- Definition Net fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected to be offset against an obligation to return collateral. + References No definition available. + Details
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