Fair Value Measurements - Recurring Fair Value Inputs (Details) - USD ($)
|
3 Months Ended |
12 Months Ended |
|
|
Mar. 31, 2016 |
Dec. 31, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Long-term debt |
$ (31,261,000,000)
|
$ (30,097,000,000)
|
|
|
| Net derivative asset |
(315,000,000)
|
(441,000,000)
|
$ (1,081,000,000)
|
$ (920,000,000)
|
| Recurring |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
614,393,000,000
|
633,203,000,000
|
|
|
| Long-term debt |
(31,261,000,000)
|
(30,097,000,000)
|
|
|
| Recurring | Level 3 |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
17,859,000,000
|
18,098,000,000
|
|
|
| Long-term debt |
(1,814,000,000)
|
(1,513,000,000)
|
|
|
| Net derivative asset |
(315,000,000)
|
(441,000,000)
|
|
|
| Recurring | Level 3 | Loans held-for-sale |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
660,000,000
|
787,000,000
|
|
|
| Recurring | Level 3 | Loans and leases |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
1,700,000,000
|
1,600,000,000
|
|
|
| Recurring | Level 3 | Credit derivatives |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Net derivative asset |
$ (67,000,000)
|
$ (75,000,000)
|
|
|
| Recurring | Level 3 | Credit derivatives | Minimum | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Yield |
7.00%
|
6.00%
|
|
|
| Prepayment speed |
10.00%
|
10.00%
|
|
|
| Default rate |
1.00%
|
1.00%
|
|
|
| Loss severity |
35.00%
|
35.00%
|
|
|
| Upfront points |
0.01%
|
0.00%
|
|
|
| Credit spreads |
0.13%
|
0.00%
|
|
|
| Credit correlation |
23.00%
|
31.00%
|
|
|
| Recurring | Level 3 | Credit derivatives | Maximum | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Yield |
25.00%
|
25.00%
|
|
|
| Prepayment speed |
20.00%
|
20.00%
|
|
|
| Default rate |
4.00%
|
4.00%
|
|
|
| Loss severity |
40.00%
|
40.00%
|
|
|
| Upfront points |
1.00%
|
1.00%
|
|
|
| Credit spreads |
9.96%
|
4.47%
|
|
|
| Credit correlation |
97.00%
|
99.00%
|
|
|
| Recurring | Level 3 | Credit derivatives | Weighted Average | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Yield |
17.00%
|
16.00%
|
|
|
| Prepayment speed |
19.00%
|
19.00%
|
|
|
| Default rate |
3.00%
|
3.00%
|
|
|
| Loss severity |
35.00%
|
35.00%
|
|
|
| Upfront points |
0.65%
|
0.60%
|
|
|
| Credit spreads |
3.26%
|
1.11%
|
|
|
| Credit correlation |
37.00%
|
38.00%
|
|
|
| Recurring | Level 3 | Equity derivatives |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Net derivative asset |
$ (741,000,000)
|
$ (1,037,000,000)
|
|
|
| Recurring | Level 3 | Equity derivatives | Minimum | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Equity correlation |
12.00%
|
25.00%
|
|
|
| Long-dated equity volatilities |
4.00%
|
4.00%
|
|
|
| Recurring | Level 3 | Equity derivatives | Maximum | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Equity correlation |
98.00%
|
100.00%
|
|
|
| Long-dated equity volatilities |
105.00%
|
101.00%
|
|
|
| Recurring | Level 3 | Equity derivatives | Weighted Average | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Equity correlation |
69.00%
|
67.00%
|
|
|
| Long-dated equity volatilities |
27.00%
|
28.00%
|
|
|
| Recurring | Level 3 | Commodity contracts |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Net derivative asset |
$ 4,000,000
|
$ 169,000,000
|
|
|
| Recurring | Level 3 | Commodity contracts | Minimum | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Long-dated equity volatilities |
19.00%
|
18.00%
|
|
|
| Natural gas forward price (in dollars per MMBtu) |
$ 1
|
$ 1
|
|
|
| Propane forward price (in dollars per share) |
|
$ 0
|
|
|
| Correlation |
66.00%
|
66.00%
|
|
|
| Recurring | Level 3 | Commodity contracts | Maximum | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Long-dated equity volatilities |
125.00%
|
125.00%
|
|
|
| Natural gas forward price (in dollars per MMBtu) |
$ 6
|
$ 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 |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Long-dated equity volatilities |
46.00%
|
39.00%
|
|
|
| Natural gas forward price (in dollars per MMBtu) |
$ 4
|
$ 4
|
|
|
| Propane forward price (in dollars per share) |
|
$ 1
|
|
|
| Correlation |
84.00%
|
84.00%
|
|
|
| Recurring | Level 3 | Interest rate derivatives |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Net derivative asset |
$ 489,000,000
|
$ 502,000,000
|
|
|
| Recurring | Level 3 | Interest rate derivatives | Minimum | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| 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 |
0.00%
|
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 |
7.00%
|
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) |
33.00%
|
(9.00%)
|
|
|
| Long-dated inflation rates |
3.00%
|
3.00%
|
|
|
| Recurring | Level 3 | Mortgage trading loans and ABS |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
$ 1,600,000,000
|
$ 1,900,000,000
|
|
|
| Recurring | Level 3 | Corporate securities, trading loans and other |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
3,000,000,000
|
2,800,000,000
|
|
|
| Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
572,000,000
|
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 |
739,000,000
|
757,000,000
|
|
|
| Recurring | Level 3 | Tax-exempt securities |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
562,000,000
|
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 |
$ 2,080,000,000
|
$ 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 |
44.00%
|
27.00%
|
|
|
| Default rate |
10.00%
|
10.00%
|
|
|
| Loss severity |
90.00%
|
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 |
15.00%
|
11.00%
|
|
|
| Default rate |
4.00%
|
4.00%
|
|
|
| Loss severity |
42.00%
|
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 |
$ 81,000,000
|
$ 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 |
1,588,000,000
|
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 |
411,000,000
|
400,000,000
|
|
|
| Recurring | Level 3 | Instruments Backed by Commercial Real Estate Assets |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
$ 502,000,000
|
$ 852,000,000
|
|
|
| Recurring | Level 3 | Instruments Backed by Commercial Real Estate Assets | Income and Market Approach Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Yield |
10.00%
|
|
|
|
| Price (in dollars per share) |
$ 81
|
|
|
|
| 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) |
$ 106
|
$ 100
|
|
|
| Recurring | Level 3 | Instruments Backed by Commercial Real Estate Assets | Weighted Average | Income and Market Approach Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Yield |
|
8.00%
|
|
|
| Price (in dollars per share) |
|
$ 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 |
$ 357,000,000
|
$ 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 |
145,000,000
|
162,000,000
|
|
|
| Recurring | Level 3 | Commercial loans, debt securities and other |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
$ 4,730,000,000
|
$ 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 |
2.00%
|
2.00%
|
|
|
| Loss severity |
25.00%
|
25.00%
|
|
|
| Duration |
1 year
|
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 |
37.00%
|
37.00%
|
|
|
| Prepayment speed |
20.00%
|
20.00%
|
|
|
| Default rate |
5.00%
|
5.00%
|
|
|
| Loss severity |
50.00%
|
50.00%
|
|
|
| Duration |
5 years
|
5 years
|
|
|
| Price (in dollars per share) |
$ 305
|
$ 258
|
|
|
| Recurring | Level 3 | Commercial loans, debt securities and other | Weighted Average | Income and Market Approach Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Yield |
15.00%
|
13.00%
|
|
|
| Prepayment speed |
15.00%
|
16.00%
|
|
|
| Default rate |
4.00%
|
4.00%
|
|
|
| Loss severity |
38.00%
|
37.00%
|
|
|
| Duration |
3 years
|
3 years
|
|
|
| Price (in dollars per share) |
$ 66
|
$ 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 |
$ 222,000,000
|
|
|
|
| Recurring | Level 3 | Commercial loans, debt securities and other | Loans and leases |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
109,000,000
|
$ 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 |
1,058,000,000
|
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 |
2,641,000,000
|
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 |
572,000,000
|
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 |
128,000,000
|
128,000,000
|
|
|
| Recurring | Level 3 | Auction rate securities |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Assets, fair value |
$ 1,486,000,000
|
$ 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) |
$ 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 |
$ 313,000,000
|
$ 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 |
611,000,000
|
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 |
$ 562,000,000
|
$ 569,000,000
|
|
|
| Recurring | Level 3 | Structured liabilities | Minimum | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Equity correlation |
12.00%
|
25.00%
|
|
|
| Long-dated equity volatilities |
4.00%
|
4.00%
|
|
|
| Recurring | Level 3 | Structured liabilities | Maximum | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Equity correlation |
98.00%
|
100.00%
|
|
|
| Long-dated equity volatilities |
105.00%
|
101.00%
|
|
|
| Recurring | Level 3 | Structured liabilities | Weighted Average | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Equity correlation |
69.00%
|
|
|
|
| Long-dated equity volatilities |
27.00%
|
|
|
|
| Recurring | Level 3 | Structured liabilities | Long-term debt |
|
|
|
|
| Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
| Long-term debt |
$ (1,814,000,000)
|
$ (1,513,000,000)
|
|
|
| Recurring | Level 3 | Structured liabilities | Long-term debt | Weighted Average | Income Approach Valuation Technique |
|
|
|
|
| Fair Value Inputs [Abstract] |
|
|
|
|
| Equity correlation |
|
67.00%
|
|
|
| Long-dated equity volatilities |
|
28.00%
|
|
|