Stock Compensation Plans - Stock-based Compensation Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
Stock options | $ 5 | $ 6 | $ 11 | $ 10 |
Stock-based compensation expense | 37 | 20 | 81 | 45 |
Tax Benefit | (4) | (2) | (9) | (5) |
Stock-based compensation expense (net of tax) | 33 | 18 | 72 | 40 |
Restricted stock units | 30 | 13 | 66 | 32 |
Employee stock purchase plan | $ 2 | $ 1 | $ 4 | $ 3 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax, of expense for award under share-based payment arrangement. No definition available.
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of plan compensation cost recognized during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of noncash expense for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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