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Debt instruments purchase agreement date.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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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