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Stock Compensation Plans (Tables) | 9 Months Ended
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Sep. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Stock-Based Compensation Expense and Related Tax Benefits | Stock-based compensation expense and related tax benefits were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(DOLLARS IN MILLIONS) | 2023 |  | 2022 |  | 2023 |  | 2022
Equity-based awards | $ | 18 |  |  | $ | 12 |  |  | $ | 50 |  |  | $ | 37 |
Liability-based awards | — |  |  | (1) |  |  | — |  |  | — |
Total stock-based compensation expense | 18 |  |  | 11 |  |  | 50 |  |  | 37 |
Less: Tax benefit | (5) |  |  | (2) |  |  | (11) |  |  | (7) |
Total stock-based compensation expense, after tax | $ | 13 |  |  | $ | 9 |  |  | $ | 39 |  |  | $ | 30 |
As of September 30, 2023, there was approximately $90 million of total unrecognized compensation cost related to non-vested awards granted under the equity incentive plans.

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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