Derivative Financial Instruments (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2027 |
Dec. 31, 2025 |
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| Derivative [Line Items] | ||||||
| Collateral posted | $ 372 | $ 372 | ||||
| Collateral received | $ 34 | |||||
| Recognized net gains (losses) | 86 | $ 0 | 66 | $ 2 | ||
| Mosaic Health | ||||||
| Derivative [Line Items] | ||||||
| Net put option fair value | 1,330 | 1,330 | ||||
| Liberty Dental | ||||||
| Derivative [Line Items] | ||||||
| Recognized net gains (losses) | 169 | |||||
| Net put option fair value | 227 | 227 | 396 | |||
| Liberty Dental | Forecast | ||||||
| Derivative [Line Items] | ||||||
| Estimated Payments to Acquire Majority Owner's Interest in a JV | $ 600 | |||||
| Cash Flow Hedging | ||||||
| Derivative [Line Items] | ||||||
| Cash flow hedges included in accumulated other comprehensive loss, net of tax | $ 184 | $ 184 | $ 192 | |||
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- Definition Estimated Payments to Acquire Majority Owner's Interest in a JV No definition available.
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- Definition Amount, after tax, of accumulated gain (loss) on derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of liability arising from contingency in business combination, measured at acquisition-date fair value and recognized at acquisition date. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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