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Stockholders' Equity - Additional Information (Details) |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Nov. 01, 2019 USD ($) $ / shares | Dec. 31, 2019 USD ($) Vote / shares Directors $ / shares shares | Dec. 31, 2018 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) $ / shares shares | Jan. 31, 2018 USD ($) | Jan. 25, 2017 USD ($) | Dec. 31, 2016 shares
Schedule Of Capitalization Equity [Line Items] |  |  |  |  |  |  |
Preferred stock, shares authorized |  | 100,000,000 | 100,000,000 |  |  |  |
Preferred stock, par value | $ / shares |  | $ 0.001 | $ 0.001 |  |  |  |
Preferred stock, shares issued |  | 0 | 0 |  |  |  |
Common stock, shares authorized |  | 1,600,000,000 | 1,600,000,000 |  |  |  |
Common stock, par value | $ / shares |  | $ 0.001 | $ 0.001 |  |  |  |
Percentage of directors elected by common stock holders |  | 25.00% |  |  |  |  |
Number of directors | Directors |  | 3 |  |  |  |  |
Conversion of Class B common stock |  | 100.00% |  |  |  |  |
Common stock, shares issued |  | 138,698,307 | 137,158,010 |  |  |  |
Common stock, shares outstanding |  | 124,581,773 | 125,101,322 |  |  |  |
Repurchase of shares of common stock authorized | $ | $ 100,000,000 |  |  |  |  | $ 250,000,000 |
Repurchase of common stock, shares |  | 2,059,846 | 2,582,198 | 6,079,003 |  |  |
Average price of shares repurchased, common stock | $ / shares |  | $ 29.32 | $ 38.73 | $ 41.13 |  |  |
Aggregate cost of shares repurchased, common stock | $ |  | $ 60,000,000 | $ 100,000,000 | $ 250,000,000 |  |  |
Treasury stock, shares |  | 14,116,534 | 12,056,688 | 9,474,490 |  |  |
Aggregate cost of treasury stock | $ |  | $ 607,000,000 | $ 547,000,000 | $ 447,000,000 |  |  |
Remaining authorized share repurchased amount | $ | $ 250,000,000 | $ 190,000,000 | $ 150,000,000 |  |  |  |
Dividend declared | $ / shares | $ 3.50 | $ 3.50 | $ 0 | $ 0 |  |  |
Estimated aggregate cash dividend declared | $ | $ 488,000,000 |  |  |  |  |  |
Dividend payable date | Dec. 04, 2019 |  |  |  |  |  |
Dividend record date | Nov. 20, 2019 |  |  |  |  |  |
Maximum |  |  |  |  |  |  |
Schedule Of Capitalization Equity [Line Items] |  |  |  |  |  |  |
Repurchase of shares of common stock authorized | $ |  |  |  |  | $ 250,000,000 |  |
Class B Common Stock |  |  |  |  |  |  |
Schedule Of Capitalization Equity [Line Items] |  |  |  |  |  |  |
Common stock, shares authorized |  | 400,000,000 | 400,000,000 |  |  |  |
Common stock, par value | $ / shares |  | $ 0.001 | $ 0.001 |  |  |  |
Right to voting |  | 10 votes per share |  |  |  |  |
Vote per common stock share | Vote / shares |  | 10 |  |  |  |  |
Common stock, shares issued |  | 12,799,999 | 12,799,999 |  |  |  |
Common stock, shares outstanding |  | 12,799,999 | 12,799,999 | 12,799,999 |  |  | 12,799,999
Common Stock |  |  |  |  |  |  |
Schedule Of Capitalization Equity [Line Items] |  |  |  |  |  |  |
Common stock, shares authorized |  | 1,600,000,000 |  |  |  |  |
Common stock, par value | $ / shares |  | $ 0.001 |  |  |  |  |
Right to voting |  | one vote per share |  |  |  |  |
Vote per common stock share | Vote / shares |  | 1 |  |  |  |  |
Common stock, shares outstanding |  | 138,698,307 | 137,158,010 | 135,617,263 |  |  | 134,706,467

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