Debt - Convertible Debt (Details) - Convertible Debt	3 Months Ended
Mar. 31, 2021 USD ($) d $ / shares shares
Zero Percent Convertible Senior Notes Due 2026
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.00%
Proceeds from Convertible Debt \| $	$ 2,267,000,000
Amortization of Debt Issuance Costs \| $	$ 0
Debt Instrument, Interest Rate, Effective Percentage	0.30%
Convertible Debt, Fair Value Disclosures \| $	$ 2,300,000,000
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| d	30
Debt Instrument, Convertible, Threshold Trading Days \| d	20
Debt Conversion, Converted Instrument, Amount \| $	$ 1,000
Debt Conversion, Converted Instrument, Shares Issued \| shares	57.1886
Debt Instrument, Convertible, Conversion Price \| $ / shares	$ 17.49
Debt Instrument, Face Amount \| $	$ 2,300,000,000
Debt Instrument, Redemption Price, Percentage	100.00%
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger	130.00%
Zero Percent Convertible Senior Notes Due 2026 \| Debt Conversion Terms, One
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| d	30
Debt Instrument, Convertible, Threshold Trading Days \| d	20
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger	130.00%
Zero Percent Convertible Senior Notes Due 2026 \| Debt Conversion Terms, Two
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| d	5
Debt Instrument, Convertible, Threshold Trading Days \| d	5
Debt Instrument, Convertible, Threshold Percent Of Conversion Price Triggering Convertible Feature	98.00%
Zero Percent Convertible Senior Notes Due 2026 Over Allotment Option
Debt Instrument [Line Items]
Debt Instrument, Face Amount \| $	$ 300,000,000

Debt Instrument, Convertible, Threshold Percentage Of Stock Trading Price

No definition available.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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- Definition

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

+ References

No definition available.

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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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- 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.

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- Definition

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

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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.

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

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- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

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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

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

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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

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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