v3.3.0.814

Summary of Significant Accounting Policies - Additional Information (Detail) - Adoption of new accounting guidance $ in Millions | Jan. 01, 2015 USD ($)
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Summary Of Significant Accounting Policies [Line Items] |
Reduction in consolidated assets | $ 8,000.0
Reduction in consolidated liabilities | 4,700.0
Redeemable NonControlling Interests in Consolidated Entities |
Summary Of Significant Accounting Policies [Line Items] |
Changes in assets and liabilities | 2,300.0
Appropriated Partners' Capital |
Summary Of Significant Accounting Policies [Line Items] |
Changes in assets and liabilities | 90.9
Non-Controlling Interests in Consolidated Entities |
Summary Of Significant Accounting Policies [Line Items] |
Changes in assets and liabilities | $ 1,000.0

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