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Fair Value Of Financial Instruments (Tables) | 9 Months Ended
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Sep. 30, 2025
Fair Value Of Financial Instruments [Abstract] |
Fair Value Of Long-Term Debt |
|  | September 30, 2025 |  | December 31, 2024
($ in millions) |  |  | Carrying Amount |  |  | Fair Value |  |  | Carrying Amount |  |  | Fair Value
Total debt |  | $ | 12,044 |  | $ | 12,264 |  | $ | 11,569 |  | $ | 11,749

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 + Details
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