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Debt - Two Thousand Twenty Six Senior Notes - Additional Information (Details) |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 25, 2021 USD ($) | Mar. 22, 2021 $ / shares | Sep. 30, 2022 USD ($) $ / shares | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) TradingDay $ / shares | Sep. 30, 2021 USD ($) | Mar. 31, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Capped call transactions cost |  |  |  |  | $ 0 | $ 35,000,000 |
Interest expense |  |  | $ 11,000,000 | $ 12,000,000 | $ 33,000,000 | $ 34,000,000 |
Debt Instrument, Conversion, Period Two |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, convertible, consecutive business days immediately following threshold consecutive trading days | TradingDay |  |  |  |  | 5 |  |
0.250% Senior Notes due April 1, 2026 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, aggregate principal amount | $ 300,000,000 |  |  |  |  |  |
Debt instrument, interest rate | 0.25% |  |  |  |  |  |
Debt Instrument, date of first required payment of interest | Oct. 01, 2021 |  |  |  |  |  |
Debt Instrument, maturity date | Apr. 01, 2026 |  |  |  |  |  |
Debt instruments purchase agreement date | Mar. 25, 2021 |  |  |  |  |  |
Debt instrument, frequency of interest payment | semiannually |  |  |  |  |  |
Debt instrument, redemption, description |  |  |  |  | The 2026 Senior Notes will be redeemable, in whole or in part, at our option at any time, and from time to time, on or after April 1, 2024 and on or before the 30th scheduled trading day immediately before the maturity date, at a cash redemption price equal to the principal amount of the 2026 Senior Notes to be redeemed, plus accrued and unpaid interest, if any, but only if the last reported sale price per share of our common stock exceeds 130% of the conversion price on (1) each of at least 20 trading days, whether or not consecutive, during the 30 consecutive trading days ending on, and including, the trading day immediately before the date we send the related redemption notice; and (2) the trading day immediately before the date we send such notice. |  |
Debt instrument, convertible, threshold percentage of stock price trigger |  |  |  |  | 130.00% |  |
Debt Instrument, convertible, threshold trading days | TradingDay |  |  |  |  | 20 |  |
Debt Instrument, convertible, threshold consecutive trading days | TradingDay |  |  |  |  | 30 |  |
Debt instrument, convertible, principal amount |  |  |  |  | $ 1,000 |  |
Debt instrument, initial conversion rate |  |  |  |  | 13.5483 |  |
Debt instrument, initial conversion price | $ / shares |  |  | $ 73.81 |  | $ 73.81 |  |
Proceeds from debt, net of issuance costs |  |  |  |  | $ 340,000,000 |  |
Debt issuance costs |  |  |  |  | $ 5,000,000 |  |
Debt issuance costs, Percentage |  |  | 0.50% | 0.55% | 0.50% | 0.55% |
Capped call transactions cost |  |  |  |  | $ 35,000,000 |  |
Derivative Cap Price | $ / shares |  |  | $ 107.36 |  | $ 107.36 |  |
Debt instrument, convertible, capped call transactions, percentage of common stock sale price |  | 100.00% |  |  |  |  |
Share Price | $ / shares |  | $ 53.68 |  |  |  |  |
Deferred tax asset |  |  |  |  |  |  | $ 9,000,000
Interest expense |  |  |  |  | $ 1,000,000 |  |
0.250% Senior Notes due April 1, 2026 | Over-allotment Option |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, aggregate principal amount | $ 45,000,000 |  |  |  |  |  |
0.250% Senior Notes due April 1, 2026 | Debt Instrument, Conversion, Period One |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, convertible, threshold percentage of stock price trigger |  |  |  |  | 130.00% |  |
Debt Instrument, convertible, threshold trading days | TradingDay |  |  |  |  | 20 |  |
Debt Instrument, convertible, threshold consecutive trading days | TradingDay |  |  |  |  | 30 |  |
Debt instrument, conversion, description |  |  |  |  | during any calendar quarter commencing after the calendar quarter ending on June 30, 2021 (and only during such calendar quarter), if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during the period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; |  |
0.250% Senior Notes due April 1, 2026 | Debt Instrument, Conversion, Period Two |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, convertible, threshold percentage of stock price trigger |  |  |  |  | 98.00% |  |
Debt Instrument, convertible, threshold consecutive trading days | TradingDay |  |  |  |  | 5 |  |
Debt instrument, convertible, principal amount |  |  |  |  | $ 1,000 |  |
0.250% Senior Notes due April 1, 2026 | Common Stock |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Common stock shares covered under capped call transactions |  |  |  |  | $ 4,700,000 |  |

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