[Line Items] for Fair Value Inputs, Assets and Liabilities Quantitative Information

No definition available.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Definition

Loss, including interest and principal, incurred on a defaulted security, expressed as a percentage of the original principal balance, used as an input to measure fair value.

+ References

+ Details

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- Definition

Percentage of likelihood a loan will not be repaid and instead default, used as an input to measure fair value.

+ References

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- Definition

The aggregate carrying amount, as of the balance sheet date, of liabilities not separately disclosed in the balance sheet.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Fair Value Measurement and Fair Value of Financial Instruments (Details 3) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Unobservable Input(s) Level 3
Securities available for sale	$ 13,011	$ 14,344
Other liabilities	$ 2,203	2,017	$ 1,891
Fdic \| Minimum \| Discounted cash flow
Unobservable Input(s) Level 3
Probability of default (as a percent)	0.10%
Loss severity (as a percent)	0.00%
Fdic \| Maximum \| Discounted cash flow
Unobservable Input(s) Level 3
Probability of default (as a percent)	100.00%
Loss severity (as a percent)	100.00%
Fdic \| Weighted Average \| Discounted cash flow
Unobservable Input(s) Level 3
Probability of default (as a percent)	56.60%
Loss severity (as a percent)	30.80%
Level 3 \| Fdic
Unobservable Input(s) Level 3
Other liabilities	$ 115
Other debt securities, Direct bank purchase bonds
Unobservable Input(s) Level 3
Securities available for sale	$ 1,581	$ 1,572
Other debt securities, Direct bank purchase bonds \| Minimum \| Return on equity
Unobservable Input(s) Level 3
Market-required return on capital (as a percent)	8.00%
Probability of default (as a percent)	0.00%
Loss severity (as a percent)	10.00%
Other debt securities, Direct bank purchase bonds \| Maximum \| Return on equity
Unobservable Input(s) Level 3
Market-required return on capital (as a percent)	10.00%
Probability of default (as a percent)	25.00%
Loss severity (as a percent)	60.00%
Other debt securities, Direct bank purchase bonds \| Weighted Average \| Return on equity
Unobservable Input(s) Level 3
Market-required return on capital (as a percent)	9.80%
Probability of default (as a percent)	0.40%
Loss severity (as a percent)	29.20%
Other debt securities, Direct bank purchase bonds \| Level 3
Unobservable Input(s) Level 3
Securities available for sale	$ 1,581