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Long-Term Debt and Short-Term Borrowings - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions | Sep. 30, 2025 | May 12, 2025 | Dec. 31, 2024 | Feb. 23, 2024 | Jun. 23, 2023 | Mar. 18, 2021 | Aug. 13, 2015
--- | --- | --- | --- | --- | --- | --- | ---
Long-Term Debt |  |  |  |  |  |  |
Total long-term debt | $ 4,446 |  | $ 3,320 |  |  |  |
Less: current maturities of long-term debt | 71 |  | 36 |  |  |  |
Less: unamortized discount | 43 |  | 30 |  |  |  |
Less: unamortized debt issuance costs | 11 |  | 9 |  |  |  |
Long-term debt, net of current maturities | 4,321 |  | 3,245 |  |  |  |
Short-Term Borrowings |  |  |  |  |  |  |
Warehouse lines of credit | 1,624 |  | 552 |  |  |  |
Revolving credit facilities | 0 |  | 132 |  |  |  |
Other | 5 |  | 47 |  |  |  |
Total short-term borrowings | 2,714 |  | 906 |  |  |  |
Warehouse lines of credit |  |  |  |  |  |  |
Short-Term Borrowings |  |  |  |  |  |  |
Warehouse lines of credit | 1,624 |  | 552 |  |  |  |
Commercial paper program |  |  |  |  |  |  |
Short-Term Borrowings |  |  |  |  |  |  |
Commercial paper program | $ 1,085 |  | 175 |  |  |  |
Interest rate | 4.34% |  |  |  |  |  |
Revolving credit facilities |  |  |  |  |  |  |
Short-Term Borrowings |  |  |  |  |  |  |
Revolving credit facilities | $ 0 |  | 132 |  |  |  |
Senior Secured Term Loans |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |
Total long-term debt | 1,342 |  | 720 |  |  |  |
Senior Notes | 5.950% senior notes due in 2034 |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |
Total long-term debt | 1,000 |  | 1,000 |  |  |  |
Short-Term Borrowings |  |  |  |  |  |  |
Interest rate |  |  |  |  | 5.95% |  |
Senior Notes | 4.875% senior notes due in 2026 |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |
Total long-term debt | 0 |  | 600 |  |  |  |
Short-Term Borrowings |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 4.875%
Senior Notes | 4.800% senior notes due in 2030 |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |
Total long-term debt | 600 |  | 0 |  |  |  |
Short-Term Borrowings |  |  |  |  |  |  |
Interest rate |  | 4.80% |  |  |  |  |
Senior Notes | 5.500% senior notes due in 2035 |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |
Total long-term debt | 500 |  | 0 |  |  |  |
Short-Term Borrowings |  |  |  |  |  |  |
Interest rate |  | 5.50% |  |  |  |  |
Senior Notes | 5.500% senior notes due in 2029 |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |
Total long-term debt | 500 |  | 500 |  |  |  |
Short-Term Borrowings |  |  |  |  |  |  |
Interest rate |  |  |  | 5.50% |  |  |
Senior Notes | 2.500% senior notes due in 2031 |  |  |  |  |  |  |
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 |  |  |  |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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