Stock (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Equity [Abstract] | |||||
| Preferred stock, shares authorized (in shares) | 125,000,000 | 125,000,000 | 125,000,000 | ||
| Preferred stock, par value (in usd per share) | $ 0.01 | $ 0.01 | $ 0.01 | ||
| Preferred stock, shares issued (in shares) | 0 | 0 | 0 | ||
| Common stock, shares authorized (in shares) | 2,000,000,000.0 | 2,000,000,000.0 | 2,000,000,000.0 | ||
| Common stock, par value (in usd per share) | $ 0.01 | $ 0.01 | $ 0.01 | ||
| Common stock, shares issued (in shares) | 439,900,000 | 439,900,000 | 439,400,000 | ||
| Treasury stock (in shares) | 59,200,000 | 59,200,000 | 49,600,000 | ||
| Stock repurchase program, authorized amount | $ 2,000 | $ 2,000 | |||
| Stock repurchase program, remaining authorized shares amount | $ 500 | $ 500 | |||
| Stock repurchase during period (in shares) | 5,100,000 | 3,200,000 | 9,600,000 | 5,800,000 | |
| Stock repurchased during period | $ 400 | $ 300 | $ 800 | $ 553 | |
| Excise tax | 1.00% | 1.00% | 1.00% | 1.00% | |
| X | ||||||||||
- Definition Stock Repurchased During Period, Excise Tax, Percent No definition available.
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| X | ||||||||||
- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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