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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares authorized (in shares) | 7,700 |  |
Shares reserved for issuance (in shares) | 5,300 |  |
Number of years over which equity awards vest | 1 year |  |
Number of years over which equity awards expire | 10 years |  |
Share-based compensation, net of tax | $ 219 | $ 209 | $ 188
Unrecognized compensation cost | $ 235 |  |
Period over which unrecognized compensation costs are expected to be recognized (years) | 1 year 7 months 6 days |  |
Realized tax benefits from stock-based compensation activities | $ 67 | 78 | 124
Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of years over which equity awards vest | 1 year |  |
Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of years over which equity awards vest | 3 years |  |
Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of years over which equity awards vest | 3 years |  |
Number of stock, granted (in shares) | 613 |  |
Average grant date fair value per unit (in dollars per share) | $ 428.43 |  |
Restricted Stock Units (RSUs) | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of years over which equity awards vest | 1 year |  |
Restricted Stock Units (RSUs) | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of years over which equity awards vest | 3 years |  |
Stock Option |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Cash received from exercise of stock options | $ 0 | 0 | 8
Performance Stock Units (PSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of years over which equity awards vest | 3 years |  |
Number of stock, granted (in shares) | 100 |  |
Performance Stock Units (PSUs) | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Range of shares that can be earned from stock awards, as a percentage of the target award | 0.00% |  |
Performance Stock Units (PSUs) | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Range of shares that can be earned from stock awards, as a percentage of the target award | 200.00% |  |
Performance Stock Units (PSUs) | Remaining Half Of PSUs Granted In Period |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Average grant date fair value per unit (in dollars per share) | $ 426.70 |  |
Performance Stock Units (PSUs) | Remaining PSUs Granted In Period |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Average grant date fair value per unit (in dollars per share) | $ 417.72 |  |
Unallocated items |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Intangible asset amortization expense | $ 277 | $ 265 | $ 238

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