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Share-Based Incentive Compensation (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Share-Based Payment Arrangement [Abstract] |  |  |  |
Stock options vested at end of period, number (in shares) | 5,804,107 |  | 5,804,107 |
Stock options vested at end of period, weighted average exercise price (in dollars per share) | $ 159.98 |  | $ 159.98 |
Stock options vested at end of period, weighted average contractual life remaining (in years) |  |  | 5 years 4 months 24 days |
Stock options vested at end of period, aggregate intrinsic value | $ 692 |  | $ 692 |
Stock options exercisable at end of period, number (in shares) | 4,388,364 |  | 4,388,364 |
Stock options exercisable at end of period, weighted average exercise price (in dollars per share) | $ 142.96 |  | $ 142.96 |
Stock options exercisable at end of period, weighted average contractual life remaining (in years) |  |  | 4 years 6 months |
Stock options exercisable at end of period, aggregate intrinsic value | $ 598 |  | $ 598 |
Total compensation cost recognized in earnings for all share-based incentive compensation awards | 59 | $ 63 | 199 | $ 202
Tax benefit recognized in the consolidated statement of income related to compensation costs | 11 | $ 11 | 33 | $ 33
Total unrecognized compensation cost related to all nonvested share-based incentive compensation awards | $ 310 |  | $ 310 |
Weighted-average period of recognition for unrecognized compensation cost (in years) |  |  | 1 year 10 months 24 days |

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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise prices of fully vested options outstanding. + References No definition available. + Details
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- Definition As of the balance sheet date, the number of shares into which fully vested stock options outstanding can be converted under the option plan. + References No definition available. + Details
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- Definition As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for fully vested options outstanding. + References No definition available. + Details
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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