Debt - 2022 Notes, Bond Hedges and Warrant Transactions (Additional Information) (Details) - 2.375% Convertible Senior Notes due in 2022 [Member]	1 Months Ended	12 Months Ended
Mar. 31, 2017 USD ($) d $ / shares shares	Dec. 31, 2021 USD ($) shares
Debt Instrument [Line Items]
Aggregate principal amount	$ 978,000,000
Proceeds from convertible senior notes, net of underwriting discounts and issuance costs	966,000,000
Convertible principal amount	$ 1,000	$ 474,000,000
Shares issued upon conversion of each $1000 principal amount \| shares	15.2670	6,500,000
Conversion price per share \| $ / shares	$ 65.50
Debt instrument convertible, percentage of conversion price	130.00%
Debt instrument convertible, if-converted value in excess of principal		$ 439,000,000
Percentage of repurchase price is equal to principal amount of convertible notes	100.00%
Debt conversion, converted instrument, amount	$ 146,000,000
Debt instrument, effective interest rate	6.00%
One Hundred Thirty Percent Applicable Conversion Price [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument convertible trading days \| d	20
One Hundred Thirty Percent Applicable Conversion Price [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument convertible trading days \| d	30

Debt instrument convertible conversion price percentage.

No definition available.

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- Definition

Percentage of principal amount of convertible notes is equal to repurchase price.

+ References

No definition available.

+ Details

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- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

+ References

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Period Type:	duration

- Definition

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

+ Details

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Period Type:	duration

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

+ References

+ Details

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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.

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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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