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Derivative Financial Instruments - Narrative (Details) $ in Millions | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 30, 2021 USD ($) property derivative_held | Mar. 31, 2021 USD ($) derivative_held property | Dec. 31, 2020 USD ($) property | Dec. 31, 2022 USD ($) derivative_held | Aug. 31, 2022 USD ($) derivative_held | Apr. 30, 2022 derivative_held | Dec. 31, 2021 derivative_held | May 31, 2021 property
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Asset at fair value, changes in fair value resulting from changes in assumptions | $ |  |  |  | $ 23 |  |  |  |
Repayments of secured debt | $ |  |  | $ 6 |  |  |  |  |
Number of assets classified as discontinued operations | property |  |  | 1 |  |  |  |  |
Cash Flow Hedging |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of interest-rate contracts held | derivative_held |  |  |  | 2 |  |  |  |
Interest rate swap instruments |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of interest-rate contracts held | derivative_held |  |  |  |  |  |  | 0 |
Interest rate swap instruments | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of interest-rate contracts held | derivative_held |  |  |  |  | 2 |  |  |
Derivative amount terminated | $ |  |  |  |  | $ 500 |  |  |
Interest rate swap instruments | Designated as Hedging Instrument | Cash Flow Hedging |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of interest-rate contracts held | derivative_held |  |  |  |  |  | 2 |  |
Interest rate cap instruments | Not Designated as Hedging Instrument |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of interest-rate contracts held | derivative_held | 2 |  |  |  |  |  |  |
Derivative amount terminated | $ | $ 142 |  |  |  |  |  |  |
Increase in the fair value of the interest rate cap agreements | $ |  |  |  | $ 2 |  |  |  |
Mortgage Debt |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Repayments of secured debt | $ | $ 64 | $ 39 |  |  |  |  |  |
Number of assets classified as discontinued operations | property | 2 | 2 |  |  |  |  |  | 6
Mortgage Debt | Interest rate swap instruments |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of interest rate derivatives terminated | derivative_held |  | 2 |  |  |  |  |  |

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- Definition Amount of increase (decrease) in fair value from changes in the assumptions or model used to calculate the fair value of a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References No definition available. + Details
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