Shares and Stockholders' Equity - Reconciliation of the Denominator Calculations of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | |
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Mar. 31, 2026 |
Mar. 31, 2025 |
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| Stockholders' Equity Note [Abstract] | ||
| Net income (loss) available to common stockholders – basic | $ (206) | $ (756) |
| Deferred units of LNC stock in our deferred compensation plans | (5) | 0 |
| Net income (loss) available to common stockholders | $ (211) | $ (756) |
| Weighted-average shares, as used in basic calculation (in shares) | 191,891,461 | 171,321,440 |
| Incremental common shares from assumed exercise or issuance of stock-based incentive compensation awards (in shares) | 3,879,235 | 2,765,580 |
| Average deferred compensation shares (in shares) | 725,848 | 0 |
| Weighted-average shares, as used in diluted calculation (in shares) | 196,496,544 | 174,087,020 |
| Net income (loss) per share: | ||
| Basic (in dollars per share) | $ (1.08) | $ (4.41) |
| Diluted (in dollars per share) | $ (1.10) | $ (4.41) |
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- Definition The deferred compensation plans allow participants to invest in LNC stock. The weighted average number of deferred compensation shares to be included in earnings per share calculations is calculated using an arithmetical mean of our deferred compensation shares outstanding during the period. No definition available.
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- Definition Earnings Per Share, Basic And Diluted EPS No definition available.
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- Definition Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of stock options or restrictive stock units (RSUs). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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