Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Recurring Fair Value Inputs (Details)

v3.6.0.2
Fair Value Measurements - Recurring Fair Value Inputs (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Net derivative asset (liability) $ (1,313,000,000) $ (441,000,000) $ (920,000,000) $ (224,000,000)
Fair Value Inputs [Abstract]        
Other assets, measured at fair value 13,802,000,000 14,320,000,000    
Recurring        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 614,410,000,000 633,203,000,000    
Long-term debt (185,699,000,000) (176,424,000,000)    
Fair Value Inputs [Abstract]        
Other assets, measured at fair value 13,802,000,000 14,320,000,000    
Recurring | Level 3        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 14,462,000,000 18,098,000,000    
Long-term debt (7,153,000,000) (7,483,000,000)    
Net derivative asset (liability) (1,313,000,000) (441,000,000)    
Fair Value Inputs [Abstract]        
Other assets, measured at fair value $ 239,000,000 374,000,000    
Recurring | Level 3 | Weighted Average | Discounted cash flow, Market comparables, Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Yield 20.00%      
Price (in dollars per share) $ 73      
Equity correlation 68.00%      
Long-dated equity volatilities 26.00%      
Recurring | Level 3 | Loans Held-for-Sale        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value $ 656,000,000 787,000,000    
Recurring | Level 3 | Loans and leases        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 720,000,000 1,600,000,000    
Recurring | Level 3 | Long-term debt        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Long-term debt $ (1,514,000,000) $ (1,513,000,000)    
Recurring | Level 3 | Long-term debt | Minimum | Discounted cash flow, Market comparables, Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Yield 6.00%      
Price (in dollars per share) $ 12      
Duration 0 years      
Equity correlation 13.00%      
Long-dated equity volatilities 4.00%      
Recurring | Level 3 | Long-term debt | Minimum | Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Equity correlation   25.00%    
Long-dated equity volatilities   4.00%    
Recurring | Level 3 | Long-term debt | Maximum | Discounted cash flow, Market comparables, Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Yield 37.00%      
Price (in dollars per share) $ 87      
Duration 5 years      
Equity correlation 100.00%      
Long-dated equity volatilities 76.00%      
Recurring | Level 3 | Long-term debt | Maximum | Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Equity correlation   100.00%    
Long-dated equity volatilities   101.00%    
Recurring | Level 3 | Long-term debt | Weighted Average | Discounted cash flow, Market comparables, Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Duration 3 years      
Recurring | Level 3 | Long-term debt | Weighted Average | Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Equity correlation   67.00%    
Long-dated equity volatilities   28.00%    
Recurring | Level 3 | Credit derivatives        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Net derivative asset (liability) $ (129,000,000) $ (75,000,000)    
Recurring | Level 3 | Credit derivatives | Discounted cash flow, Stochastic recovery correlation model        
Fair Value Inputs [Abstract]        
Loss severity 35.00%      
Recurring | Level 3 | Credit derivatives | Minimum | Discounted cash flow, Stochastic recovery correlation model        
Fair Value Inputs [Abstract]        
Yield 0.00% 6.00%    
Prepayment speed 10.00% 10.00%    
Default rate 1.00% 1.00%    
Loss severity   35.00%    
Upfront points 0.00% 0.00%    
Spread to index 0.17% 0.00%    
Credit correlation 21.00% 31.00%    
Recurring | Level 3 | Credit derivatives | Maximum | Discounted cash flow, Stochastic recovery correlation model        
Fair Value Inputs [Abstract]        
Yield 24.00% 25.00%    
Prepayment speed 20.00% 20.00%    
Default rate 4.00% 4.00%    
Loss severity   40.00%    
Upfront points 1.00% 1.00%    
Spread to index 8.14% 4.47%    
Credit correlation 80.00% 99.00%    
Recurring | Level 3 | Credit derivatives | Weighted Average | Discounted cash flow, Stochastic recovery correlation model        
Fair Value Inputs [Abstract]        
Yield 13.00% 16.00%    
Prepayment speed 18.00% 19.00%    
Default rate 3.00% 3.00%    
Loss severity   35.00%    
Upfront points 0.72% 0.60%    
Spread to index 2.48% 1.11%    
Credit correlation 44.00% 38.00%    
Recurring | Level 3 | Equity contracts        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Net derivative asset (liability) $ (1,690,000,000) $ (1,037,000,000)    
Recurring | Level 3 | Equity contracts | Minimum | Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Equity correlation 13.00% 25.00%    
Long-dated equity volatilities 4.00% 4.00%    
Recurring | Level 3 | Equity contracts | Maximum | Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Equity correlation 100.00% 100.00%    
Long-dated equity volatilities 76.00% 101.00%    
Recurring | Level 3 | Equity contracts | Weighted Average | Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Equity correlation 68.00% 67.00%    
Long-dated equity volatilities 26.00% 28.00%    
Recurring | Level 3 | Commodity contracts        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Net derivative asset (liability) $ 6,000,000 $ 169,000,000    
Recurring | Level 3 | Commodity contracts | Minimum | Discounted cash flow, Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Long-dated equity volatilities 23.00% 18.00%    
Natural gas forward price $ 2 $ 1    
Propane forward price   $ 0    
Correlation 66.00% 66.00%    
Recurring | Level 3 | Commodity contracts | Maximum | Discounted cash flow, Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Long-dated equity volatilities 96.00% 125.00%    
Natural gas forward price $ 6 $ 6    
Propane forward price   $ 1    
Correlation 95.00% 93.00%    
Recurring | Level 3 | Commodity contracts | Weighted Average | Discounted cash flow, Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Long-dated equity volatilities 36.00% 39.00%    
Natural gas forward price $ 4 $ 4    
Propane forward price   $ 1    
Correlation 85.00% 84.00%    
Recurring | Level 3 | Interest rate contracts        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Net derivative asset (liability) $ 500,000,000 $ 502,000,000    
Recurring | Level 3 | Interest rate contracts | Minimum | Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Correlation (IR/IR) 15.00% 17.00%    
Correlation (FX/IR) 0.00% (15.00%)    
Long-dated inflation rates (12.00%) 0.00%    
Long-dated inflation volatilities 0.00% 0.00%    
Recurring | Level 3 | Interest rate contracts | Maximum | Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Correlation (IR/IR) 99.00% 99.00%    
Correlation (FX/IR) 40.00% 40.00%    
Long-dated inflation rates 35.00% 7.00%    
Long-dated inflation volatilities 2.00% 2.00%    
Recurring | Level 3 | Interest rate contracts | Weighted Average | Industry standard derivative pricing        
Fair Value Inputs [Abstract]        
Correlation (IR/IR) 56.00% 48.00%    
Correlation (FX/IR) 2.00% (9.00%)    
Long-dated inflation rates 5.00% 3.00%    
Long-dated inflation volatilities 1.00% 1.00%    
Recurring | Level 3 | Mortgage trading loans, ABS and other MBS        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value $ 1,200,000,000 $ 1,900,000,000    
Recurring | Level 3 | Corporate securities, trading loans and other        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 2,800,000,000 2,800,000,000    
Recurring | Level 3 | Non-U.S. sovereign debt        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 510,000,000 521,000,000    
Recurring | Level 3 | Other taxable securities, substantially all asset-backed securities        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 594,000,000 757,000,000    
Recurring | Level 3 | Tax-exempt securities        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 542,000,000 569,000,000    
Recurring | Level 3 | Instruments backed by residential real estate assets        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value $ 1,066,000,000 $ 2,017,000,000    
Recurring | Level 3 | Instruments backed by residential real estate assets | Minimum | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Yield 0.00% 0.00%    
Prepayment speed 0.00% 0.00%    
Default rate 0.00% 0.00%    
Loss severity 0.00% 0.00%    
Recurring | Level 3 | Instruments backed by residential real estate assets | Maximum | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Yield 50.00% 25.00%    
Prepayment speed 27.00% 27.00%    
Default rate 3.00% 10.00%    
Loss severity 54.00% 90.00%    
Recurring | Level 3 | Instruments backed by residential real estate assets | Weighted Average | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Yield 7.00% 6.00%    
Prepayment speed 14.00% 11.00%    
Default rate 2.00% 4.00%    
Loss severity 18.00% 40.00%    
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 $ 11,000,000 $ 97,000,000    
Recurring | Level 3 | Instruments backed by residential real estate assets | Loans and leases        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 718,000,000 1,520,000,000    
Recurring | Level 3 | Instruments backed by residential real estate assets | Mortgage trading loans, ABS and other MBS | Trading Securities        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 337,000,000 400,000,000    
Recurring | Level 3 | Instruments backed by commercial real estate assets        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value $ 317,000,000 $ 852,000,000    
Recurring | Level 3 | Instruments backed by commercial real estate assets | Minimum | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Yield 0.00% 0.00%    
Price (in dollars per share) $ 0 $ 0    
Recurring | Level 3 | Instruments backed by commercial real estate assets | Maximum | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Yield 39.00% 25.00%    
Price (in dollars per share) $ 100 $ 100    
Recurring | Level 3 | Instruments backed by commercial real estate assets | Weighted Average | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Yield 11.00% 8.00%    
Price (in dollars per share) $ 65 $ 73    
Recurring | Level 3 | Instruments backed by commercial real estate assets | Loans Held-for-Sale        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value $ 86,000,000 $ 690,000,000    
Recurring | Level 3 | Instruments backed by commercial real estate assets | Mortgage trading loans, ABS and other MBS        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 53,000,000 162,000,000    
Recurring | Level 3 | Instruments backed by commercial real estate assets | Corporate securities, trading loans and other        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 178,000,000      
Recurring | Level 3 | Commercial loans, debt securities and other        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value $ 4,486,000,000 $ 4,558,000,000    
Recurring | Level 3 | Commercial loans, debt securities and other | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Enterprise value/EBITDA multiple 34      
Recurring | Level 3 | Commercial loans, debt securities and other | Minimum | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Yield 1.00% 0.00%    
Prepayment speed 5.00% 5.00%    
Default rate 3.00% 2.00%    
Loss severity 0.00% 25.00%    
Price (in dollars per share) $ 0 $ 0    
Duration 0 years 0 years    
Recurring | Level 3 | Commercial loans, debt securities and other | Maximum | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Yield 37.00% 37.00%    
Prepayment speed 20.00% 20.00%    
Default rate 4.00% 5.00%    
Loss severity 50.00% 50.00%    
Price (in dollars per share) $ 292 $ 258    
Duration 5 years 5 years    
Recurring | Level 3 | Commercial loans, debt securities and other | Weighted Average | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Yield 14.00% 13.00%    
Prepayment speed 19.00% 16.00%    
Default rate 4.00% 4.00%    
Loss severity 19.00% 37.00%    
Price (in dollars per share) $ 68 $ 64    
Duration 3 years 3 years    
Recurring | Level 3 | Commercial loans, debt securities and other | Loans Held-for-Sale        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value $ 559,000,000      
Recurring | Level 3 | Commercial loans, debt securities and other | Loans and leases        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 2,000,000 $ 100,000,000    
Recurring | Level 3 | Commercial loans, debt securities and other | Mortgage trading loans, ABS and other MBS | Trading Securities        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 821,000,000 1,306,000,000    
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 2,565,000,000 2,503,000,000    
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 510,000,000 521,000,000    
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 29,000,000 128,000,000    
Recurring | Level 3 | Auction rate securities        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value $ 1,141,000,000 $ 1,533,000,000    
Recurring | Level 3 | Auction rate securities | Minimum | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Price (in dollars per share) $ 10 $ 10    
Recurring | Level 3 | Auction rate securities | Maximum | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Price (in dollars per share) 100 100    
Recurring | Level 3 | Auction rate securities | Weighted Average | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Price (in dollars per share) $ 94 $ 94    
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 $ 34,000,000 $ 335,000,000    
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 565,000,000 629,000,000    
Recurring | Level 3 | Auction rate securities | Tax-exempt securities | Available-for-sale Securities        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value 542,000,000 569,000,000    
Recurring | Level 3 | MSRs        
Fair Value Inputs, Assets, Quantitative Information [Line Items]        
Assets, fair value $ 2,747,000,000 $ 3,087,000,000    
Recurring | Level 3 | MSRs | Minimum | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Weighted-average life, fixed rate 0 years 0 years    
Weighted-average life, variable rate 0 years 0 years    
Option Adjusted Spread, fixed rate 9.00% 3.00%    
Option Adjusted Spread, variable rate 9.00% 3.00%    
Recurring | Level 3 | MSRs | Maximum | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Weighted-average life, fixed rate 15 years 15 years    
Weighted-average life, variable rate 14 years 16 years    
Option Adjusted Spread, fixed rate 14.00% 11.00%    
Option Adjusted Spread, variable rate 15.00% 11.00%    
Recurring | Level 3 | MSRs | Weighted Average | Discounted cash flow, Market comparables        
Fair Value Inputs [Abstract]        
Weighted-average life, fixed rate 6 years 4 years    
Weighted-average life, variable rate 4 years 3 years    
Option Adjusted Spread, fixed rate 10.00% 5.00%    
Option Adjusted Spread, variable rate 12.00% 8.00%