Related Party Transactions - Additional Information (Detail) - USD ($) $ in Millions |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Related Party Transaction [Line Items] | ||
| Due from related parties | $ 73 | $ 89 |
| Due to related parties | $ 18 | 12 |
| PNC [Member] | ||
| Related Party Transaction [Line Items] | ||
| Percentage of common stock of parent owned | 21.10% | |
| Percentage of capital stock of parent owned | 22.20% | |
| BlackRock Mutual Funds and iShares [Member] | ||
| Related Party Transaction [Line Items] | ||
| Accounts receivable from related parties | $ 705 | $ 747 |
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- Definition Capital Stock Of Parent Owned Percentage No definition available.
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- Definition Common Stock Of Parent Owned Percentage No definition available.
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- Definition For an unclassified balance sheet, amount of receivables arising from transactions with related parties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying amount as of the balance sheet date of obligations due all related parties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. No definition available.
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