Noncash Investing and Financing Activities (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Cash Payments:
Interest	$ 133	$ 122
Income Taxes Paid	21	34
Transfers:
Portfolio loans to loans held for sale	73	590
Loans held for sale to portfolio loans	12	12
Portfolio loans to OREO	37	64
Loans held for sale to OREO	$ 2	$ 3

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Value of real estate transferred in noncash transactions from loans held for sale to other real estate owned during the reporting period.

+ References

No definition available.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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The amount of cash paid for interest during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Value transferred out of real estate owned (REO) in noncash transactions.

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Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.

+ References

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