Long-Term Borrowings - Unsecured Long-Term Borrowings after Hedging (Detail) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Debt Disclosure [Abstract]
Fixed rate obligations at fair value	$ 145	$ 150
Fixed rate obligations at amortized cost	75,019	74,718
Floating rate obligations at fair value	31,930	29,260
Floating rate obligations at amortized cost	92,276	84,958
Total	$ 199,370	$ 189,086

The amount of of unsecured long-term borrowings with fixed rates, after hedging at amortized cost.

No definition available.

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- Definition

The amount of of unsecured long-term borrowings with fixed rates, after hedging at fair value.

+ References

No definition available.

+ Details

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- Definition

The amount of of unsecured long-term borrowings with floating rates, after hedging at amortized cost.

+ References

No definition available.

+ Details

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- Definition

The amount of of unsecured long-term borrowings with floating rates, after hedging at fair value.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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