Fair Value Measurements - Recurring Fair Value Inputs (Details) (USD $)
|
9 Months Ended | 12 Months Ended | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2014
|
Dec. 31, 2013
|
|||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Long-term debt | $ (40,048,000,000) | $ (47,035,000,000) | ||||||||||
Net derivative assets | 32,200,000,000 | 31,500,000,000 | ||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Other assets, measured at fair value | 12,726,000,000 | 18,055,000,000 | ||||||||||
Recurring
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 639,652,000,000 | 632,692,000,000 | ||||||||||
Long-term debt | (40,048,000,000) | (47,035,000,000) | ||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Other assets, measured at fair value | 12,726,000,000 | 18,055,000,000 | ||||||||||
Recurring | Level 3
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 23,266,000,000 | 31,778,000,000 | ||||||||||
Long-term debt | (2,349,000,000) | (1,990,000,000) | ||||||||||
Net derivative assets | (533,000,000) | (24,000,000) | ||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Other assets, measured at fair value | 931,000,000 | 1,669,000,000 | ||||||||||
Recurring | Level 3 | Loans Held-for-Sale
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 173,000,000 | 929,000,000 | ||||||||||
Recurring | Level 3 | Loans and leases
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 2,042,000,000 | 3,057,000,000 | ||||||||||
Recurring | Level 3 | Credit derivatives
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Net derivative assets | 126,000,000 | 1,008,000,000 | ||||||||||
Recurring | Level 3 | Credit derivatives | Minimum | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Yield | 0.00% | 3.00% | ||||||||||
Prepayment speed | 0.00% | 3.00% | ||||||||||
Default rate | 4.00% | 1.00% | ||||||||||
Loss severity | 35.00% | 20.00% | ||||||||||
Upfront points | 0.01% | 0.00% | ||||||||||
Spread to index | 0.25% | (14.07%) | ||||||||||
Credit correlation | 23.00% | 14.00% | ||||||||||
Recurring | Level 3 | Credit derivatives | Maximum | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Yield | 25.00% | 25.00% | ||||||||||
Prepayment speed | 20.00% | 40.00% | ||||||||||
Default rate | 4.00% | 5.00% | ||||||||||
Loss severity | 35.00% | 42.00% | ||||||||||
Upfront points | 1.00% | 1.00% | ||||||||||
Spread to index | 4.75% | 17.41% | ||||||||||
Credit correlation | 99.00% | 99.00% | ||||||||||
Recurring | Level 3 | Credit derivatives | Weighted Average | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Yield | 11.00% | 14.00% | ||||||||||
Prepayment speed | 10.00% | 13.00% | ||||||||||
Default rate | 3.00% | |||||||||||
Loss severity | 35.00% | |||||||||||
Upfront points | 0.66% | 0.63% | ||||||||||
Spread to index | 1.59% | 0.91% | ||||||||||
Credit correlation | 52.00% | 47.00% | ||||||||||
Recurring | Level 3 | Equity contracts
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Net derivative assets | (1,377,000,000) | [1] | (1,596,000,000) | [1] | ||||||||
Recurring | Level 3 | Equity contracts | Minimum | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Equity correlation | 17.00% | [1] | 18.00% | [1] | ||||||||
Long-dated equity volatilities | 5.00% | [1] | 4.00% | [1] | ||||||||
Recurring | Level 3 | Equity contracts | Maximum | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Equity correlation | 98.00% | [1] | 98.00% | [1] | ||||||||
Long-dated equity volatilities | 68.00% | [1] | 63.00% | [1] | ||||||||
Recurring | Level 3 | Equity contracts | Weighted Average | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Equity correlation | 64.00% | [1] | 70.00% | [1] | ||||||||
Long-dated equity volatilities | 25.00% | [1] | 27.00% | [1] | ||||||||
Recurring | Level 3 | Commodity contracts
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Net derivative assets | 8,000,000 | [1] | 6,000,000 | [1] | ||||||||
Recurring | Level 3 | Commodity contracts | Minimum | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Long-dated equity volatilities | 11.00% | [1] | 9.00% | [1] | ||||||||
Natural gas forward price | 3 | [1] | 3 | [1] | ||||||||
Correlation | 67.00% | [1] | 47.00% | [1] | ||||||||
Recurring | Level 3 | Commodity contracts | Maximum | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Long-dated equity volatilities | 98.00% | [1] | 109.00% | [1] | ||||||||
Natural gas forward price | 8 | [1] | 11 | [1] | ||||||||
Correlation | 93.00% | [1] | 89.00% | [1] | ||||||||
Recurring | Level 3 | Commodity contracts | Weighted Average | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Long-dated equity volatilities | 37.00% | [1] | 30.00% | [1] | ||||||||
Natural gas forward price | 5 | [1] | 6 | [1] | ||||||||
Correlation | 87.00% | [1] | 81.00% | [1] | ||||||||
Recurring | Level 3 | Interest rate contracts
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Net derivative assets | 710,000,000 | [2] | 558,000,000 | [2] | ||||||||
Recurring | Level 3 | Interest rate contracts | Minimum | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Correlation (IR/IR) | 14.00% | [2] | 24.00% | [2] | ||||||||
Long-dated inflation volatilities | 0.00% | [2] | 0.00% | [2] | ||||||||
Correlation (FX/IR) | (30.00%) | [2] | (30.00%) | [2] | ||||||||
Long-dated inflation rates | 0.00% | [2] | 0.00% | [2] | ||||||||
Recurring | Level 3 | Interest rate contracts | Maximum | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Correlation (IR/IR) | 99.00% | [2] | 99.00% | [2] | ||||||||
Long-dated inflation volatilities | 2.00% | [2] | 2.00% | [2] | ||||||||
Correlation (FX/IR) | 40.00% | [2] | 40.00% | [2] | ||||||||
Long-dated inflation rates | 3.00% | [2] | 3.00% | [2] | ||||||||
Recurring | Level 3 | Interest rate contracts | Weighted Average | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Correlation (IR/IR) | 48.00% | [2] | 60.00% | [2] | ||||||||
Long-dated inflation volatilities | 1.00% | [2] | 1.00% | [2] | ||||||||
Correlation (FX/IR) | (6.00%) | [2] | (4.00%) | [2] | ||||||||
Long-dated inflation rates | 2.00% | [2] | 2.00% | [2] | ||||||||
Recurring | Level 3 | Mortgage trading loans and ABS
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 1,900,000,000 | 4,600,000,000 | ||||||||||
Recurring | Level 3 | Corporate securities, trading loans and other
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 3,000,000,000 | 3,600,000,000 | ||||||||||
Recurring | Level 3 | Non-U.S. sovereign debt
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 594,000,000 | 468,000,000 | ||||||||||
Recurring | Level 3 | Other taxable securities, substantially all asset-backed securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 2,100,000,000 | 3,800,000,000 | ||||||||||
Recurring | Level 3 | Tax-exempt securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 614,000,000 | 806,000,000 | ||||||||||
Recurring | Level 3 | Private equity funds
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Other assets, measured at fair value | 340,000,000 | 767,000,000 | ||||||||||
Recurring | Level 3 | Instruments backed by residential real estate assets
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 2,534,000,000 | [3] | 3,443,000,000 | [4] | ||||||||
Recurring | Level 3 | Instruments backed by residential real estate assets | Minimum | Income and Market Approach Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Yield | 0.00% | [3] | 2.00% | [4] | ||||||||
Prepayment speed | 0.00% | [3] | 0.00% | [4] | ||||||||
Default rate | 1.00% | [3] | 1.00% | [4] | ||||||||
Loss severity | 19.00% | [3] | 21.00% | [4] | ||||||||
Recurring | Level 3 | Instruments backed by residential real estate assets | Maximum | Income and Market Approach Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Yield | 25.00% | [3] | 25.00% | [4] | ||||||||
Prepayment speed | 35.00% | [3] | 35.00% | [4] | ||||||||
Default rate | 15.00% | [3] | 20.00% | [4] | ||||||||
Loss severity | 100.00% | [3] | 80.00% | [4] | ||||||||
Recurring | Level 3 | Instruments backed by residential real estate assets | Weighted Average | Income and Market Approach Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Yield | 6.00% | [3] | 6.00% | [4] | ||||||||
Prepayment speed | 13.00% | [3] | 9.00% | [4] | ||||||||
Default rate | 7.00% | [3] | 6.00% | [4] | ||||||||
Loss severity | 30.00% | [3] | 35.00% | [4] | ||||||||
Recurring | Level 3 | Instruments backed by residential real estate assets | Loans Held-for-Sale
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 173,000,000 | [3] | 929,000,000 | [4] | ||||||||
Recurring | Level 3 | Instruments backed by residential real estate assets | Loans and leases
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 2,013,000,000 | [3] | 2,151,000,000 | [4] | ||||||||
Recurring | Level 3 | Instruments backed by residential real estate assets | Mortgage trading loans and ABS | Trading Securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 348,000,000 | [3] | 363,000,000 | [4] | ||||||||
Recurring | Level 3 | Commercial loans, debt securities and other
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 6,668,000,000 | [3] | 12,135,000,000 | [4] | ||||||||
Recurring | Level 3 | Commercial loans, debt securities and other | Minimum | Income and Market Approach Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Yield | 0.00% | [3] | 0.00% | [4] | ||||||||
Prepayment speed | 5.00% | [3] | 5.00% | [4] | ||||||||
Default rate | 1.00% | [3] | 1.00% | [4] | ||||||||
Loss severity | 25.00% | [3] | 25.00% | [4] | ||||||||
Enterprise value/EBITDA multiple | 1 | [3] | 0 | [4] | ||||||||
Duration | 0 years | [3] | 1 year | [4] | ||||||||
Price | $ 0 | [3] | ||||||||||
Recurring | Level 3 | Commercial loans, debt securities and other | Maximum | Income and Market Approach Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Yield | 79.00% | [3] | 45.00% | [4] | ||||||||
Prepayment speed | 40.00% | [3] | 40.00% | [4] | ||||||||
Default rate | 5.00% | [3] | 5.00% | [4] | ||||||||
Loss severity | 40.00% | [3] | 42.00% | [4] | ||||||||
Enterprise value/EBITDA multiple | 20 | [3] | 24 | [4] | ||||||||
Duration | 5 years | [3] | 5 years | [4] | ||||||||
Price | $ 105 | [3] | ||||||||||
Recurring | Level 3 | Commercial loans, debt securities and other | Weighted Average | Income and Market Approach Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Yield | 9.00% | [3] | 5.00% | [4] | ||||||||
Prepayment speed | 17.00% | [3] | 19.00% | [4] | ||||||||
Default rate | 4.00% | [3] | 4.00% | [4] | ||||||||
Loss severity | 37.00% | [3] | 36.00% | [4] | ||||||||
Enterprise value/EBITDA multiple | 7 | [3] | 7 | [4] | ||||||||
Duration | 3 years | [3] | 4 years | [4] | ||||||||
Price | $ 70 | [3] | ||||||||||
Recurring | Level 3 | Commercial loans, debt securities and other | Loans and leases
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 29,000,000 | [3] | 906,000,000 | [4] | ||||||||
Recurring | Level 3 | Commercial loans, debt securities and other | Mortgage trading loans and ABS | Trading Securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 1,542,000,000 | [3] | 4,268,000,000 | [4] | ||||||||
Recurring | Level 3 | Commercial loans, debt securities and other | Corporate securities, trading loans and other | Trading Securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 2,943,000,000 | [3] | 3,462,000,000 | [4] | ||||||||
Recurring | Level 3 | Commercial loans, debt securities and other | Non-U.S. sovereign debt | Trading Securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 594,000,000 | [3] | 468,000,000 | [4] | ||||||||
Recurring | Level 3 | Commercial loans, debt securities and other | Other taxable securities, substantially all asset-backed securities | Available-for-sale Securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 1,560,000,000 | [3] | 3,031,000,000 | [4] | ||||||||
Recurring | Level 3 | Auction rate securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 1,206,000,000 | [3] | 1,719,000,000 | [4] | ||||||||
Recurring | Level 3 | Auction rate securities | Minimum | Income and Market Approach Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Projected tender price to refinancing level | 60.00% | [4] | ||||||||||
Price | $ 60 | [3] | ||||||||||
Recurring | Level 3 | Auction rate securities | Maximum | Income and Market Approach Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Projected tender price to refinancing level | 100.00% | [4] | ||||||||||
Price | $ 100 | [3] | ||||||||||
Recurring | Level 3 | Auction rate securities | Weighted Average | Income and Market Approach Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Projected tender price to refinancing level | 96.00% | [4] | ||||||||||
Price | $ 96 | [3] | ||||||||||
Recurring | Level 3 | Auction rate securities | Corporate securities, trading loans and other | Trading Securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 96,000,000 | [3] | 97,000,000 | [4] | ||||||||
Recurring | Level 3 | Auction rate securities | Other taxable securities, substantially all asset-backed securities | Available-for-sale Securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 496,000,000 | [3] | 816,000,000 | [4] | ||||||||
Recurring | Level 3 | Auction rate securities | Tax-exempt securities | Available-for-sale Securities
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Assets, fair value | 614,000,000 | [3] | 806,000,000 | [4] | ||||||||
Recurring | Level 3 | Structured liabilities | Minimum | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Equity correlation | 17.00% | [1],[2] | 18.00% | [1],[2] | ||||||||
Long-dated equity volatilities | 5.00% | [1],[2] | 4.00% | [1],[2] | ||||||||
Long-dated inflation volatilities | 0.00% | [1],[2] | 0.00% | [1],[2] | ||||||||
Recurring | Level 3 | Structured liabilities | Maximum | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Equity correlation | 98.00% | [1],[2] | 98.00% | [1],[2] | ||||||||
Long-dated equity volatilities | 68.00% | [1],[2] | 63.00% | [1],[2] | ||||||||
Long-dated inflation volatilities | 2.00% | [1],[2] | 2.00% | [1],[2] | ||||||||
Recurring | Level 3 | Structured liabilities | Weighted Average | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Equity correlation | 64.00% | [1],[2] | ||||||||||
Long-dated equity volatilities | 25.00% | [1],[2] | ||||||||||
Long-dated inflation volatilities | 1.00% | [1],[2] | ||||||||||
Recurring | Level 3 | Structured liabilities | Long-term debt
|
||||||||||||
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||||||||||||
Long-term debt | $ (2,349,000,000) | [1],[2] | $ (1,990,000,000) | [1],[2] | ||||||||
Recurring | Level 3 | Structured liabilities | Long-term debt | Weighted Average | Income Approach Valuation Technique
|
||||||||||||
Fair Value Inputs [Abstract] | ||||||||||||
Equity correlation | 70.00% | [1],[2] | ||||||||||
Long-dated equity volatilities | 27.00% | [1],[2] | ||||||||||
Long-dated inflation volatilities | 1.00% | [1],[2] | ||||||||||
|