Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt discount.

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The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans.

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Long-Term Debt and Short-Term Borrowings - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024	Feb. 23, 2024	Jun. 23, 2023	Mar. 18, 2021	Aug. 13, 2015
Long-Term Debt
Total long-term debt	$ 3,913	$ 3,320
Less: current maturities of long-term debt	666	36
Less: unamortized discount	30	30
Less: unamortized debt issuance costs	10	9
Long-term debt, net of current maturities	3,207	3,245
Short-Term Borrowings
Warehouse lines of credit (which fund loans that U.S. Government Sponsored Enterprises have committed to purchase)	1,178	552
Revolving credit facility	0	132
Other short-term borrowings	2	47
Total short-term borrowings	2,776	906
Warehouse lines of credit
Short-Term Borrowings
Warehouse lines of credit (which fund loans that U.S. Government Sponsored Enterprises have committed to purchase)	1,178	552
Commercial paper program
Short-Term Borrowings
Commercial paper program	$ 1,596	175
Interest rate	4.75%
Revolving credit facility
Short-Term Borrowings
Revolving credit facility	$ 0	132
Senior Secured Term Loans
Long-Term Debt
Total long-term debt	1,309	720
Senior Notes \| 5.950% senior notes
Long-Term Debt
Total long-term debt	1,000	1,000
Short-Term Borrowings
Interest rate				5.95%
Senior Notes \| 4.875% senior notes
Long-Term Debt
Total long-term debt	600	600
Short-Term Borrowings
Interest rate						4.875%
Senior Notes \| 5.500% senior notes
Long-Term Debt
Total long-term debt	500	500
Short-Term Borrowings
Interest rate			5.50%
Senior Notes \| 2.500% senior notes
Long-Term Debt
Total long-term debt	500	500
Short-Term Borrowings
Interest rate					2.50%
Senior Notes \| Other
Long-Term Debt
Total long-term debt	$ 4	$ 0