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Debt
 3 Months Ended
Mar. 31, 2023
Debt Disclosure [Abstract]  
Debt Debt
The following table presents the carrying values of Zillow Group’s debt as of the dates presented (in millions):
March 31, 2023December 31, 2022
Credit facilities
Repurchase agreements:
Credit Suisse AG, Cayman Islands$25 $23 
Citibank, N.A.— 3 
Warehouse line of credit:
Comerica Bank17 11 
Total credit facilities42 37 
Convertible senior notes
1.375% convertible senior notes due 2026
495 495 
2.75% convertible senior notes due 2025
560 560 
0.75% convertible senior notes due 2024
606 605 
Total convertible senior notes1,661 1,660 
Total debt$1,703 $1,697 
Credit Facilities
To provide capital for Zillow Home Loans, we utilize master repurchase agreements and a warehouse line of credit. The following table summarizes certain details related to our repurchase agreements and warehouse line of credit (in millions, except interest rates):
LenderMaturity DateMaximum Borrowing CapacityWeighted-Average Interest Rate
Credit Suisse AG, Cayman Islands    March 11, 2024$50 6.81 %
Citibank, N.A.June 9, 2023100 6.64 %
Comerica BankJune 24, 202350 6.76 %
Total$200 
On March 13, 2023, Zillow Home Loans amended its Credit Suisse AG, Cayman Islands (“Credit Suisse”) master repurchase agreement to decrease the uncommitted total maximum borrowing capacity to $50 million from $100 million, with a maturity date of March 11, 2024.
In accordance with the master repurchase agreements, Credit Suisse and Citibank (together the “Lenders”) have agreed to pay Zillow Home Loans a negotiated purchase price for eligible loans, and Zillow Home Loans has simultaneously agreed to repurchase such loans from the Lenders under a specified timeframe at an agreed upon price that includes interest. The master repurchase agreements contain margin call provisions that provide the Lenders with certain rights in the event of a decline in the market value of the assets purchased under the master repurchase agreements. At both March 31, 2023 and December 31, 2022, $28 million in mortgage loans held for sale were pledged as collateral under the master repurchase agreements.
Borrowings on the repurchase agreements and warehouse line of credit bear interest either at a floating rate based on Secured Overnight Financing Rate (“SOFR”) plus an applicable margin, as defined by the governing agreements, or Bloomberg Short-Term Bank Yield Index Rate (“BSBY”) plus an applicable margin, as defined by the governing agreements. The repurchase agreements and warehouse line of credit include customary representations and warranties, covenants and provisions regarding events of default. As of March 31, 2023, Zillow Home Loans was in compliance with all financial covenants and no event of default had occurred. The repurchase agreements and warehouse line of credit are recourse to Zillow Home Loans, and have no recourse to Zillow Group or any of its other subsidiaries.
For additional details related to our repurchase agreements and warehouse line of credit, see Note 13 in the Notes to the Consolidated Financial Statements included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2022.
Convertible Senior Notes
Effective January 1, 2022, we adopted guidance which simplifies the accounting for certain financial instruments with characteristics of liabilities and equity, including convertible instruments and contracts in an entity’s own equity. Refer to Note 2 in the Notes to Consolidated Financial Statements included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2022 for additional information regarding the adoption of this guidance.
The following tables summarize certain details related to our outstanding convertible senior notes as of the dates presented or for the periods ended (in millions, except interest rates):
March 31, 2023December 31, 2022
Maturity DateAggregate Principal AmountStated Interest RateEffective Interest RateSemi-Annual Interest Payment DatesUnamortized Debt Issuance CostsFair ValueUnamortized Debt Issuance CostsFair Value
September 1, 2026$499 1.375 %1.57 %March 1; September 1$4 $590 $4 $504 
May 15, 2025565 2.75 %3.20 %May 15; November 155 571 5 531 
September 1, 2024608 0.75 %1.02 %March 1; September 12 699 3 629 
Total$1,672 $11 $1,860 $12 $1,664 
Three Months Ended
March 31, 2023		Three Months Ended
March 31, 2022
Maturity DateContractual Coupon InterestAmortization of Debt Issuance CostsInterest ExpenseContractual Coupon InterestInterest Expense
September 1, 2026$2 $— $2 $2 $2 
May 15, 20254 — 4 4 4 
September 1, 20241 1 2 1 1 
Total$7 $1 $8 $7 $7 
The convertible notes are senior unsecured obligations. The convertible senior notes maturing in 2026 (“2026 Notes”), 2025 (“2025 Notes”) and 2024 (“2024 Notes”) (together, the “Notes”) are classified as long-term debt in our condensed consolidated balance sheets based on their contractual maturity dates. Interest on the convertible notes is paid semi-annually in arrears. The estimated fair value of the convertible senior notes is classified as Level 2 and was determined through consideration of quoted market prices in markets that are not active.
The Notes are convertible into cash, shares of Class C capital stock or a combination thereof, at our election, and may be settled as described below. They will mature on their respective maturity date, unless earlier repurchased, redeemed or converted in accordance with their terms.
The following table summarizes the conversion and redemption options with respect to the Notes:

Maturity DateEarly Conversion DateConversion RateConversion PriceOptional Redemption Date
September 1, 2026March 1, 202622.9830$43.51 September 5, 2023
May 15, 2025November 15, 202414.881067.20 May 22, 2023
September 1, 2024March 1, 202422.983043.51 September 5, 2022
The following table summarizes certain details related to the capped call confirmations with respect to the convertible senior notes:
Maturity DateInitial Cap PriceCap Price Premium
September 1, 2026$80.5750 150 %
September 1, 202472.5175 125 %
July 1, 2023105.45 85 %
There were no conversions of the Notes during the three months ended March 31, 2023 or 2022.
The last reported sale price of our Class C capital stock did not exceed 130% of the conversion price of each series of the Notes for more than 20 trading days during the 30 consecutive trading days ended March 31, 2023. Accordingly, each series of the Notes is not redeemable or convertible at the option of the holders from April 1 through June 30, 2023.
For additional details related to our convertible senior notes, see Note 13 in the Notes to Consolidated Financial Statements included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2022.