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Employee Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2018

Employee Incentive Plans [Abstract]

Share Grants And Fair Value



				Fair Value at
				Date of Grant
		Units		($ millions)
Prior periods (since inception)		20,888,468		$	397
December 31, 2015		1,211,533			52
December 31, 2016		1,451,136			55
December 31, 2017		946,489	1		57
		24,497,626		$	561

(1) Stock Incentive Plan number of granted restricted stock units related to 2017 was adjusted by 23,082 additional restricted stock units during the six months ended June 30, 2018.



2007 Stock Incentive Plan, ROI Summary



		Stock			ROI Unit
		Incentive Plan			Stock Plan
		Units			Shares
Balance, December 31, 2017		6,473,720	1		3,849
Granted		—			—
Cancelled		(42,289)			—
Distributed		(2,065,342)			(3,849)
Balance, June 30, 2018		4,366,089			—







(1) Stock Incentive Plan number of granted restricted stock units related to 2017 was adjusted by 23,082 additional restricted stock units during the six months ended June 30, 2018.

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Tabular disclosure for share-based compensation plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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-Name Accounting Standards Codification
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Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted during the year.

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