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Equity Stock-Based Compensation (Details) shares in Millions	6 Months Ended
	Jun. 30, 2019 $ / shares shares
Employee Stock Option
Options Granted in Period | shares	0.9
Options Granted in Period, Weighted Average Exercise Price | $ / shares	$ 13.45
Restricted Stock Units (RSUs)
Non Options Granted in Period | shares	2.5
Non Options Granted in Period, Weighted Average Grant Date Fair Value | $ / shares	$ 13.53
Performance Shares [Member]
Non Options Granted in Period | shares	1.2
Non Options Granted in Period, Weighted Average Grant Date Fair Value | $ / shares	$ 11.08

X

- Definition

The weighted average fair value at grant date for equity-based awards issued during the period on other than stock (or unit) option plans.

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Definition

Net number of non-option equity instruments granted to participants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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X

- Definition

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

+ References

No definition available.

+ Details

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X

- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

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