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Stockholders' Equity - Additional Information (Details) - USD ($) | 1 Months Ended | 2 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 11, 2021 | Dec. 31, 2020 | Feb. 14, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Repurchases of common stock (in shares) |  | 29,000 |  |  |  |  |
Repurchased of common stock |  |  |  | $ 122,000,000 | $ 605,000,000 | $ 54,000,000 |
Common stock purchases |  |  |  | $ 128,000,000 | $ 606,000,000 | $ 47,000,000 |
Forfeiture rate |  |  |  | 11.30% |  |  |
Stock option expiration period |  |  |  | 4 years |  |  |
Granted (in shares) |  |  |  | 0 | 0 | 0 |
Exercised (in shares) |  |  |  | 10,000 | 0 | 0 |
Unvested stock options (in shares) |  |  |  | 0 |  |  |
Subsequent Event |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Repurchases of common stock (in shares) |  |  | 0 |  |  |  |
Employee Stock Purchase Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Employee purchase price as a percentage of stock price |  |  |  | 85.00% |  |  |
Offering period |  |  |  | 6 months |  |  |
Maximum annual contribution per employee |  |  |  | $ 25,000 |  |  |
Risk-free interest rate, minimum |  |  |  | 0.10% |  |  |
Risk-free interest rate, maximum |  |  |  | 2.30% |  |  |
Minimum expected volatility rate inputs for fair value measurement |  |  |  | 35.00% |  |  |
Maximum expected volatility rate inputs for fair value measurement |  |  |  | 54.00% |  |  |
Dividend yield |  |  |  | 0.00% |  |  |
Expected term of awards |  |  |  | 6 months |  |  |
Restricted Stock |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Maximum award vesting period |  |  |  | 4 years |  |  |
Unrecognized compensation expense |  |  |  | $ 55,000,000 |  |  |
Weighted average period for recognition |  |  |  | 2 years 1 month 6 days |  |  |
Granted (in shares) |  |  |  | 289,227 |  |  |
Restricted Stock Units |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Maximum award vesting period |  |  |  | 3 years |  |  |
Unrecognized compensation expense |  |  |  | $ 12,000,000 |  |  |
Weighted average period for recognition |  |  |  | 9 months 18 days |  |  |
Granted (in shares) |  |  |  | 160,670 |  |  |
PSUs |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 127,102 |  |  |
Award performance period |  |  |  | 3 years |  |  |
Outstanding (in shares) |  |  |  | 116,172 |  |  |
PSUs | Minimum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting rights, percentage |  |  |  | 0.00% |  |  |
PSUs | Maximum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting rights, percentage |  |  |  | 200.00% |  |  |
Stock options |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Maximum award vesting period |  |  |  | 4 years |  |  |
Stock option expiration period |  |  |  | 10 years |  |  |
2019 EIP |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares issued under ESPP (in shares) |  | 2,900,000 |  |  | 2,900,000 |  |
Common Stock |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Common stock authorized |  |  |  |  |  |  | $ 500,000,000
Repurchases of common stock (in shares) | 577,000 | 766,000 |  | 1,000,000 | 4,000,000 |  |
Repurchased of common stock | $ 122,000,000 | $ 6,000,000 |  |  |  |  |
Average cost (USD per share) | $ 211.65 | $ 208.37 |  |  |  |  |
Common stock purchases |  | $ 159,000,000 |  |  |  |  |
Share-based compensation (in shares) |  |  |  |  | 1,000,000 |  |
Common Stock | Employee Stock Purchase Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation (in shares) |  |  |  | 429,000 | 244,000 |  |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
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- Definition The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
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- Definition The maximum risk-free interest rate assumption that is used in valuing an option on its own shares. + References No definition available. + Details
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- Definition The minimum risk-free interest rate assumption that is used in valuing an option on its own shares. + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Percentage of vesting of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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