Fair Value Measurements - Recurring Fair Value Inputs (Details) (USD $)
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3 Months Ended | 3 Months Ended | 3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2012
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Dec. 31, 2011
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Mar. 31, 2012
Fair Value, Measurements, Recurring [Member]
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Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
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Dec. 31, 2011
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2011
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2012
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Fair Value, Inputs, Level 3 [Member]
Private Equity Investments and Funds [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Credit Default Swaps Referencing CLOs and Corporate Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Credit Default Swaps Referencing Other Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Structured Credit Derivatives [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Equity Contracts [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Commodity Contract [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Interest Rate Contracts [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Credit Default Swaps Referencing CLOs and Corporate Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Credit Default Swaps Referencing Other Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Structured Credit Derivatives [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Equity Contracts [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Commodity Contract [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Interest Rate Contracts [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Credit Default Swaps Referencing CLOs and Corporate Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Credit Default Swaps Referencing Other Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Structured Credit Derivatives [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Equity Contracts [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Commodity Contract [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Assets [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Interest Rate Contracts [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Other Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Corporate Loans and Debt Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Corporate CLOs and CDOs [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Auction Rate Securities [Member]
Fair Value, Measurements, Recurring [Member]
Years
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Mar. 31, 2012
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Other Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Corporate Loans and Debt Securities [Member]
Fair Value, Measurements, Recurring [Member]
multiple
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Mar. 31, 2012
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Corporate CLOs and CDOs [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Auction Rate Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Other Assets [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Corporate Loans and Debt Securities [Member]
Fair Value, Measurements, Recurring [Member]
multiple
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Mar. 31, 2012
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Corporate CLOs and CDOs [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Auction Rate Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Option One [Member]
Fair Value, Inputs, Level 3 [Member]
Auction Rate Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loans and Securities [Member]
Option Two [Member]
Fair Value, Inputs, Level 3 [Member]
Auction Rate Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Liabilities [Member]
Fair Value, Inputs, Level 3 [Member]
Structured Finance [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Liabilities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Structured Finance [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Derivative Financial Instruments, Liabilities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Structured Finance [Member]
Fair Value, Measurements, Recurring [Member]
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Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans and Securities Fair Value Disclosure | $ 5,542,000,000 | [1] | $ 6,537,000,000 | $ 2,449,000,000 | [1] | $ 133,000,000 | $ 3,089,000,000 | [1] | $ 2,773,000,000 | [1] | $ 4,520,000,000 | [1] | $ 5,163,000,000 | [1] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Trading Account Assets - Mortgage Trading Loans and ABS, Fair Value Disclosure | 4,000,000,000 | 689,000,000 | [1] | 299,000,000 | [1] | 184,000,000 | [1] | 2,840,000,000 | [1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans And Leases Fair Value Disclosure | 9,192,000,000 | 8,804,000,000 | 2,782,000,000 | 2,744,000,000 | 5,813,000,000 | [2] | 7,598,000,000 | [2] | 2,332,000,000 | [1] | 5,813,000,000 | 450,000,000 | [1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans Held-for-sale, Fair Value Disclosure | 7,558,000,000 | 7,630,000,000 | 7,558,000,000 | 7,630,000,000 | 2,862,000,000 | [3],[4] | 3,387,000,000 | 857,000,000 | 5,043,000,000 | 2,521,000,000 | [1] | 724,000,000 | 341,000,000 | [1] | 133,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Other Assets, Fair Value Disclosure | 35,671,000,000 | 37,084,000,000 | 35,671,000,000 | 37,084,000,000 | 3,487,000,000 | 4,235,000,000 | 14,000,000 | 91,000,000 | 1,809,000,000 | 1,700,000,000 | 1,809,000,000 | [1] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Available For Sale Securities - Other Taxable Securities, Fair Value Disclosure | 4,200,000,000 | 2,455,000,000 | [1] | 461,000,000 | [1] | 1,259,000,000 | [1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Trading Account Assets - Corporate Securities, Trading Loans and Other, Fair Value Disclosure | 6,000,000,000 | 2,773,000,000 | [1] | 1,219,000,000 | [1] | 2,009,000,000 | [1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Available For Sale Debt Securities - Tax Exempt Securities, Fair Value Disclosure | 1,900,000,000 | 1,895,000,000 | [1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt Instrument, Fair Value Disclosure | (2,500,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Derivative Asset, Fair Value, Net | 4,187,000,000 | 849,000,000 | 1,072,000,000 | 2,114,000,000 | (657,000,000) | (14,000,000) | 823,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Yield | 2.00% | 6.00% | 20.00% | 25.00% | 1.00% | 4.00% | 1.00% | 4.00% | 1.00% | 2.00% | 2.00% | 25.00% | 7.00% | 15.00% | 15.00% | 5.00% | 20.00% | 20.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Prepayment Rate | 5.00% | 0.00% | 25.00% | 25.00% | 0.00% | 3.00% | 5.00% | 25.00% | 24.00% | 25.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Probability of Default | 1.00% | 0.00% | 5.00% | 4.00% | 0.00% | 0.00% | 1.00% | 54.00% | 59.00% | 5.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Loss Severity | 25.00% | 0.00% | 40.00% | 65.00% | 0.00% | 0.00% | 0.00% | 0.00% | 25.00% | 80.00% | 60.00% | 91.00% | 91.00% | 40.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple | 3 | 7 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Weighted Average Life | 5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Financial Instrument, Description of Discount Rate, Variable Basis | LIBOR | JJK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Financial Instrument, Basis Spread on Variable Discount Rate | 2.00% | 1.50% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Projected Tender Price to Refinancing Level | 50.00% | 99.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Correlation Index to Index | 0.50 | 0.97 | 0.50 | 0.97 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Correlation Stock to Stock | 0.30 | 0.80 | 0.30 | 0.80 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Assumptions, Expected Volatility Rate | 20.00% | 70.00% | 20.00% | 70.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Credit Spreads | 0.01 | 0.05 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Recovery | 30.00% | 50.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Upfront Points | 53 | 99 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Correlation | 45.00% | 70.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Spread to Index | (0.10) | 0.40 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Default Correlation | 30.00% | 80.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Wrong-Way Correlation | 20.00% | 50.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Ratings-Based Spreads | 0.03 | 0.05 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Long-Term Natural Gas Basis Curve | $ (0.53) | $ 0.22 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Correlation Interest Rate to Interest Rate | 46.00% | 98.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Correlation of Foreign Exchange Rates to Interest Rates | (65.00%) | 50.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Long-Dated Inflation Rates | 2.00% | 3.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Long-Dated Inflation Volatilities | 1.00% | 2.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Long-Dated Volatilities - Interest Rates, Foreign Exchange Rates | 4.00% | 45.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Long-Dated Swap Rates | 11.00% | 12.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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