Class Of Warrant Or Right, Stated Interest Rate

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Terminated, Number

+ References

No definition available.

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- Definition

Unrecognized compensation forfeited rate.

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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

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
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- Definition

Number of warrants or rights outstanding.

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- Definition

The number of warrants 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 cash payments in the period.

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- Definition

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

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt.

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- Definition

Amount of noncash expense for share-based payment arrangement.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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- Definition

Number of share options (or share units) exercised during the current period.

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Stockholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2013	Jun. 30, 2019	May 31, 2019	Mar. 31, 2019	Jun. 30, 2018
Class of Stock [Line Items]
Stated percentage of warrants		1.625%		1.625%
Cash paid for partial termination of 1.125% Warrants			$ 514	$ 419
Share-based compensation	$ 10	$ 7	29	$ 20
Unrecognized compensation expense	$ 55		$ 55
Unrecognized compensation forfeiture rate			16.20%
Stock options granted (in shares)			0
Stock options exercised (in shares)			0
1.125% Convertible Notes
Class of Stock [Line Items]
Percentage of contractual interest rate on notes	1.125%		1.125%
RSAs
Class of Stock [Line Items]
Weighted average period for recognition			2 years 6 months
PSUs
Class of Stock [Line Items]
Weighted average period for recognition			1 year 9 months 18 days
Employee Stock Option
Class of Stock [Line Items]
Unrecognized compensation expense	$ 5		$ 5
Weighted average period for recognition			1 year
Common Stock
Class of Stock [Line Items]
Number of common stock issued (in shares)			184,000
2019 EIP
Class of Stock [Line Items]
Number of shares issued under ESPP	2,900,000		2,900,000
2019 ESPP
Class of Stock [Line Items]
Number of shares issued under ESPP							3,000,000.0
1.125% Warrants
Class of Stock [Line Items]
Stated percentage of warrants	1.125%	1.125%	1.125%	1.125%		1.125%		1.125%	1.125%
Number of warrants issued (in shares)					13,500,000
Warrant, strike price per share (in dollars per share)					$ 53.8475
Warrants outstanding (in shares)	300,000		300,000
Cash paid for partial termination of 1.125% Warrants	$ 90
Number of warrants terminated (in shares)	1,400,000		5,900,000