Collateral cash and securities received in exchange of value of securities lent in order to reduce credit risk.

No definition available.

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- Definition

Reduction of fees due to voluntary waiving a portion of management fees on certain money market funds to inure the they maintain a minimum level of daily net investment income.

+ References

No definition available.

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- Definition

Percentage of yield support waivers which were offset by a reduction of the Company's distribution and servicing costs paid to a financial intermediary.

+ References

No definition available.

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- Definition

Significant accounting policies.

+ References

No definition available.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The carrying amount (fair value) as of the balance sheet date of securities held that had been pledged by counterparties under financing and lending arrangements, pursuant to which the entity has the right by agreement or custom to sell or re-pledge such securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5086-111524

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- Definition

Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611

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Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Significant Accounting Policies [Line Items]
Reduction of management fees	$ 0		$ 13	$ 6	$ 25
Percentage of Yield Support waivers offset				0.00%	60.00%
Fair value of loaned securities	23,800			$ 23,800		$ 25,700
Fair value of collateral held for loan securities	$ 26,269			$ 26,269		$ 27,792
Minimum [Member]
Significant Accounting Policies [Line Items]
Collateral cash and securities received in exchange of value of securities lent in order to reduce counterparty risk	102.00%			102.00%
Maximum [Member]
Significant Accounting Policies [Line Items]
Collateral cash and securities received in exchange of value of securities lent in order to reduce counterparty risk	112.00%			112.00%
Adjustments for New Accounting Pronouncement -ASU 2016-09 [Member]
Significant Accounting Policies [Line Items]
Discrete income tax benefit for vested stock awards		$ 81