| Schedule of Stock-based Compensation Expense and Related Income Tax Benefits |
Stock-based compensation expense and related income tax benefits were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | As of and for the Year Ended December 31, | | (in millions, except shares, per share and contractual life amounts) | | | | | 2025 | | 2024 | | 2023 | | Stock-based compensation expense | | | | | $ | 829 | | | $ | 649 | | | $ | 667 | | | Income tax benefit related to stock-based compensation | | | | | $ | 146 | | | $ | 129 | | | $ | 130 | | | Weighted-average fair value per stock award granted | | | | | $ | 254.93 | | | $ | 162.99 | | | $ | 143.09 | | | Unrecognized compensation expense | | | | | $ | 932 | | | $ | 645 | | | $ | 637 | | | Weighted-average period to be recognized (years) | | | | | 1.9 | | 1.8 | | 1.8 | | Fair value of stock awards vested | | | | | $ | 1,333 | | | $ | 820 | | | $ | 889 | |
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| Schedule of RSU and PRSU Awards Activity |
The following activity occurred under the Incentive Plans during the year ended December 31, 2025:
Time-Based Restricted Stock Units | | | | | | | | | | | | | | | | | | | | | | | | | (in millions, except shares, per share and contractual life amounts) | Number of Units or Awards | | Weighted-Average Grant Date Fair Value | | Weighted-Average Remaining Contractual Term (Years) | | Aggregate Intrinsic Value | | | | | | | | | Nonvested, December 31, 2024 | 6,637,235 | | | $ | 151.55 | | | 0.8 | | $ | 1,465 | | | | | | | | | | | | | | | | | | | Granted | 4,164,914 | | | 259.31 | | | | | | | Assumed through acquisition | 339,324 | | | 233.41 | | | | | | | Vested | (4,535,878) | | | 166.10 | | | | | | | Forfeited | (554,457) | | | 217.70 | | | | | | | | | | | | | | Nonvested, December 31, 2025 | 6,051,138 | | | 215.34 | | | 0.8 | | 1,226 | |
Performance-Based Restricted Stock Units | | | | | | | | | | | | | | | | | | | | | | | | | (in millions, except shares, per share and contractual life amounts) | Number of Units or Awards | | Weighted-Average Grant Date Fair Value | | Weighted-Average Remaining Contractual Term (Years) | | Aggregate Intrinsic Value | | | | | | | | | Nonvested, December 31, 2024 | 559,364 | | | $ | 159.79 | | | 0.9 | | $ | 123 | | | | | | | | | | | Granted | 400,650 | | | 269.28 | | | | | | Performance award achievement adjustments (1) | 241,488 | | | 155.67 | | | | | | | Vested | (614,347) | | | 164.83 | | | | | | | Forfeited | (69,035) | | | 256.21 | | | | | | | | | | | | | | | | | | | | | | Nonvested, December 31, 2025 | 518,120 | | | 223.71 | | | 1.6 | | 105 | |
(1)Represents PRSUs granted prior to 2025 for which the performance achievement period was completed in 2025, resulting in incremental unit awards. These PRSU awards are also included in the amount vested in 2025.
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