Fair Value Measurements - Recurring Fair Value Inputs (Details) - USD ($)
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9 Months Ended |
12 Months Ended |
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Sep. 30, 2016 |
Dec. 31, 2015 |
Jun. 30, 2016 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Dec. 31, 2014 |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
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Long-term debt |
$ (32,619,000,000)
|
$ (30,097,000,000)
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|
Net derivative asset |
(987,000,000)
|
(441,000,000)
|
$ (648,000,000)
|
$ 397,000,000
|
$ (351,000,000)
|
$ (920,000,000)
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Recurring |
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |
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Assets, fair value |
639,016,000,000
|
633,203,000,000
|
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|
Long-term debt |
(32,619,000,000)
|
(30,097,000,000)
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Recurring | Level 3 |
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |
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Assets, fair value |
15,893,000,000
|
18,098,000,000
|
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Long-term debt |
(1,934,000,000)
|
(1,513,000,000)
|
|
|
|
|
Net derivative asset |
$ (987,000,000)
|
$ (441,000,000)
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Recurring | Level 3 | Minimum | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
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Yield |
9.00%
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Duration |
0 years
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Price (in dollars per share) |
$ 0
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Equity correlation |
19.00%
|
25.00%
|
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|
|
|
Long-dated equity volatilities |
4.00%
|
4.00%
|
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|
Recurring | Level 3 | Maximum | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
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Yield |
46.00%
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|
|
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|
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Duration |
5 years
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Price (in dollars per share) |
$ 100
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Equity correlation |
100.00%
|
100.00%
|
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|
|
|
Long-dated equity volatilities |
101.00%
|
101.00%
|
|
|
|
|
Recurring | Level 3 | Weighted Average | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
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Yield |
18.00%
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Duration |
2 years
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Price (in dollars per share) |
$ 79
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Equity correlation |
68.00%
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Long-dated equity volatilities |
26.00%
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Recurring | Level 3 | Loans held-for-sale |
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |
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Assets, fair value |
$ 587,000,000
|
$ 787,000,000
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Recurring | Level 3 | Loans and leases |
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |
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Assets, fair value |
1,400,000,000
|
1,600,000,000
|
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Recurring | Level 3 | Long-term debt |
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |
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Long-term debt |
(1,934,000,000)
|
$ (1,513,000,000)
|
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Recurring | Level 3 | Long-term debt | Weighted Average | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
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Equity correlation |
|
67.00%
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Long-dated equity volatilities |
|
28.00%
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Recurring | Level 3 | Credit derivatives |
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |
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Net derivative asset |
$ (45,000,000)
|
$ (75,000,000)
|
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Recurring | Level 3 | Credit derivatives | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
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Loss severity |
35.00%
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Recurring | Level 3 | Credit derivatives | Minimum | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
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Yield |
1.00%
|
6.00%
|
|
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Prepayment speed |
7.00%
|
10.00%
|
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|
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Default rate |
0.00%
|
1.00%
|
|
|
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|
Loss severity |
|
35.00%
|
|
|
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Upfront points |
0.01%
|
0.00%
|
|
|
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|
Credit spreads |
0.18%
|
0.00%
|
|
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Credit correlation |
11.00%
|
31.00%
|
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Recurring | Level 3 | Credit derivatives | Maximum | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
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Yield |
25.00%
|
25.00%
|
|
|
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|
Prepayment speed |
20.00%
|
20.00%
|
|
|
|
|
Default rate |
4.00%
|
4.00%
|
|
|
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|
Loss severity |
|
40.00%
|
|
|
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Upfront points |
1.00%
|
1.00%
|
|
|
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Credit spreads |
9.24%
|
4.47%
|
|
|
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Credit correlation |
93.00%
|
99.00%
|
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Recurring | Level 3 | Credit derivatives | Weighted Average | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
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Yield |
16.00%
|
16.00%
|
|
|
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Prepayment speed |
18.00%
|
19.00%
|
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|
|
Default rate |
3.00%
|
3.00%
|
|
|
|
|
Loss severity |
|
35.00%
|
|
|
|
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Upfront points |
0.74%
|
0.60%
|
|
|
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|
Credit spreads |
2.87%
|
1.11%
|
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|
Credit correlation |
37.00%
|
38.00%
|
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|
Recurring | Level 3 | Equity derivatives |
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |
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Net derivative asset |
$ (1,298,000,000)
|
$ (1,037,000,000)
|
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|
Recurring | Level 3 | Equity derivatives | Minimum | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
|
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Equity correlation |
19.00%
|
25.00%
|
|
|
|
|
Long-dated equity volatilities |
4.00%
|
4.00%
|
|
|
|
|
Recurring | Level 3 | Equity derivatives | Maximum | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
|
|
|
|
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|
Equity correlation |
100.00%
|
100.00%
|
|
|
|
|
Long-dated equity volatilities |
101.00%
|
101.00%
|
|
|
|
|
Recurring | Level 3 | Equity derivatives | Weighted Average | Income Approach Valuation Technique |
|
|
|
|
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|
Fair Value Inputs [Abstract] |
|
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|
|
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Equity correlation |
68.00%
|
67.00%
|
|
|
|
|
Long-dated equity volatilities |
26.00%
|
28.00%
|
|
|
|
|
Recurring | Level 3 | Commodity contracts |
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |
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|
Net derivative asset |
$ 7,000,000
|
$ 169,000,000
|
|
|
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|
Recurring | Level 3 | Commodity contracts | Minimum | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
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Long-dated equity volatilities |
23.00%
|
18.00%
|
|
|
|
|
Natural gas forward price (in dollars per MMBtu) |
$ 2
|
$ 1
|
|
|
|
|
Propane forward price (in dollars per share) |
|
$ 0
|
|
|
|
|
Correlation |
66.00%
|
66.00%
|
|
|
|
|
Recurring | Level 3 | Commodity contracts | Maximum | Income Approach Valuation Technique |
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Fair Value Inputs [Abstract] |
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|
Long-dated equity volatilities |
71.00%
|
125.00%
|
|
|
|
|
Natural gas forward price (in dollars per MMBtu) |
$ 7
|
$ 6
|
|
|
|
|
Propane forward price (in dollars per share) |
|
$ 1
|
|
|
|
|
Correlation |
93.00%
|
93.00%
|
|
|
|
|
Recurring | Level 3 | Commodity contracts | Weighted Average | Income Approach Valuation Technique |
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|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Long-dated equity volatilities |
36.00%
|
39.00%
|
|
|
|
|
Natural gas forward price (in dollars per MMBtu) |
$ 4
|
$ 4
|
|
|
|
|
Propane forward price (in dollars per share) |
|
$ 1
|
|
|
|
|
Correlation |
86.00%
|
84.00%
|
|
|
|
|
Recurring | Level 3 | Interest rate derivatives |
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|
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|
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Fair Value Inputs, Assets, Quantitative Information [Line Items] |
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|
Net derivative asset |
$ 349,000,000
|
$ 502,000,000
|
|
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|
Recurring | Level 3 | Interest rate derivatives | Minimum | Income Approach Valuation Technique |
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|
Fair Value Inputs [Abstract] |
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|
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|
Long-dated volatilities (IR) |
0.00%
|
0.00%
|
|
|
|
|
Correlation (IR/IR) |
15.00%
|
17.00%
|
|
|
|
|
Correlation (FX/IR) |
(2.00%)
|
(15.00%)
|
|
|
|
|
Long-dated inflation rates |
(12.00%)
|
0.00%
|
|
|
|
|
Recurring | Level 3 | Interest rate derivatives | Maximum | Income Approach Valuation Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Long-dated volatilities (IR) |
2.00%
|
2.00%
|
|
|
|
|
Correlation (IR/IR) |
99.00%
|
99.00%
|
|
|
|
|
Correlation (FX/IR) |
40.00%
|
40.00%
|
|
|
|
|
Long-dated inflation rates |
38.00%
|
7.00%
|
|
|
|
|
Recurring | Level 3 | Interest rate derivatives | Weighted Average | Income Approach Valuation Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Long-dated volatilities (IR) |
1.00%
|
1.00%
|
|
|
|
|
Correlation (IR/IR) |
60.00%
|
48.00%
|
|
|
|
|
Correlation (FX/IR) |
3.00%
|
(9.00%)
|
|
|
|
|
Long-dated inflation rates |
5.00%
|
3.00%
|
|
|
|
|
Recurring | Level 3 | Mortgage trading loans and ABS |
|
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|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
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|
|
|
|
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 |
2,600,000,000
|
2,800,000,000
|
|
|
|
|
Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
639,000,000
|
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 |
687,000,000
|
757,000,000
|
|
|
|
|
Recurring | Level 3 | Tax-exempt securities |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
571,000,000
|
569,000,000
|
|
|
|
|
Recurring | Level 3 | Loans and leases backed by residential real estate assets |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
$ 1,688,000,000
|
$ 2,017,000,000
|
|
|
|
|
Recurring | Level 3 | Loans and leases backed by residential real estate assets | Minimum | Income and Market Approach Technique |
|
|
|
|
|
|
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 | Loans and leases backed by residential real estate assets | Maximum | Income and Market Approach Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Yield |
25.00%
|
25.00%
|
|
|
|
|
Prepayment speed |
37.00%
|
27.00%
|
|
|
|
|
Default rate |
10.00%
|
10.00%
|
|
|
|
|
Loss severity |
100.00%
|
90.00%
|
|
|
|
|
Recurring | Level 3 | Loans and leases backed by residential real estate assets | Weighted Average | Income and Market Approach Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Yield |
6.00%
|
6.00%
|
|
|
|
|
Prepayment speed |
14.00%
|
11.00%
|
|
|
|
|
Default rate |
3.00%
|
4.00%
|
|
|
|
|
Loss severity |
45.00%
|
40.00%
|
|
|
|
|
Recurring | Level 3 | Loans and leases 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 | Loans and leases backed by residential real estate assets | Loans and leases |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
1,353,000,000
|
1,520,000,000
|
|
|
|
|
Recurring | Level 3 | Loans and leases backed by residential real estate assets | Mortgage trading loans and ABS | Trading Securities |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
324,000,000
|
400,000,000
|
|
|
|
|
Recurring | Level 3 | Instruments Backed by Commercial Real Estate Assets |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
$ 295,000,000
|
$ 852,000,000
|
|
|
|
|
Recurring | Level 3 | Instruments Backed by Commercial Real Estate Assets | Minimum | Income and Market Approach Technique |
|
|
|
|
|
|
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 | Income and Market Approach Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Yield |
25.00%
|
25.00%
|
|
|
|
|
Price (in dollars per share) |
$ 100
|
$ 100
|
|
|
|
|
Recurring | Level 3 | Instruments Backed by Commercial Real Estate Assets | Weighted Average | Income and Market Approach Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Yield |
12.00%
|
8.00%
|
|
|
|
|
Price (in dollars per share) |
$ 69
|
$ 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 |
$ 14,000,000
|
$ 690,000,000
|
|
|
|
|
Recurring | Level 3 | Instruments Backed by Commercial Real Estate Assets | Mortgage trading loans and ABS |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
62,000,000
|
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 |
219,000,000
|
|
|
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
$ 4,397,000,000
|
$ 4,558,000,000
|
|
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other | Minimum | Income and Market Approach Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Yield |
0.00%
|
0.00%
|
|
|
|
|
Prepayment speed |
5.00%
|
5.00%
|
|
|
|
|
Default rate |
3.00%
|
2.00%
|
|
|
|
|
Loss severity |
35.00%
|
25.00%
|
|
|
|
|
Duration |
0 years
|
0 years
|
|
|
|
|
Price (in dollars per share) |
$ 0
|
$ 0
|
|
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other | Maximum | Income and Market Approach Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Yield |
46.00%
|
37.00%
|
|
|
|
|
Prepayment speed |
20.00%
|
20.00%
|
|
|
|
|
Default rate |
4.00%
|
5.00%
|
|
|
|
|
Loss severity |
50.00%
|
50.00%
|
|
|
|
|
Duration |
5 years
|
5 years
|
|
|
|
|
Price (in dollars per share) |
$ 205
|
$ 258
|
|
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other | Weighted Average | Income and Market Approach Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Yield |
18.00%
|
13.00%
|
|
|
|
|
Prepayment speed |
14.00%
|
16.00%
|
|
|
|
|
Default rate |
4.00%
|
4.00%
|
|
|
|
|
Loss severity |
38.00%
|
37.00%
|
|
|
|
|
Duration |
3 years
|
3 years
|
|
|
|
|
Price (in dollars per share) |
$ 70
|
$ 64
|
|
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other | Loans held-for-sale |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
$ 562,000,000
|
|
|
|
|
|
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 and ABS | Trading Securities |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
780,000,000
|
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 |
2,304,000,000
|
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 |
639,000,000
|
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 |
110,000,000
|
128,000,000
|
|
|
|
|
Recurring | Level 3 | Auction rate securities |
|
|
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
|
|
Assets, fair value |
$ 1,187,000,000
|
$ 1,533,000,000
|
|
|
|
|
Recurring | Level 3 | Auction rate securities | Minimum | Income and Market Approach Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Price (in dollars per share) |
$ 10
|
$ 10
|
|
|
|
|
Recurring | Level 3 | Auction rate securities | Maximum | Income and Market Approach Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Price (in dollars per share) |
100
|
100
|
|
|
|
|
Recurring | Level 3 | Auction rate securities | Weighted Average | Income and Market Approach Technique |
|
|
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
|
|
Price (in dollars per share) |
$ 93
|
$ 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 |
$ 39,000,000
|
$ 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 |
577,000,000
|
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 |
$ 571,000,000
|
$ 569,000,000
|
|
|
|
|