Fair Value Measurements - Recurring Fair Value Inputs (Details) - USD ($)
|
3 Months Ended |
12 Months Ended |
|
|
Mar. 31, 2018 |
Dec. 31, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Net derivative asset (liability) |
$ (1,138,000,000)
|
$ (1,714,000,000)
|
$ (1,665,000,000)
|
$ (1,313,000,000)
|
Recurring |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
647,855,000,000
|
645,590,000,000
|
|
|
Long-term debt |
(222,191,000,000)
|
(208,238,000,000)
|
|
|
Recurring | Level 3 |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
12,818,000,000
|
12,909,000,000
|
|
|
Long-term debt |
(7,068,000,000)
|
(7,676,000,000)
|
|
|
Net derivative asset (liability) |
$ (1,138,000,000)
|
$ (1,714,000,000)
|
|
|
Recurring | Level 3 | Discounted cash flow, Market comparables, Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
7.50%
|
7.50%
|
|
|
Recurring | Level 3 | Minimum | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Price (in dollars per share) |
$ 10
|
|
|
|
Recurring | Level 3 | Minimum | Discounted cash flow, Market comparables, Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Price (in dollars per share) |
$ 0
|
$ 0
|
|
|
Equity correlation |
7.00%
|
15.00%
|
|
|
Long-dated equity volatilities |
4.00%
|
4.00%
|
|
|
Recurring | Level 3 | Maximum | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Price (in dollars per share) |
$ 100
|
|
|
|
Recurring | Level 3 | Maximum | Discounted cash flow, Market comparables, Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Price (in dollars per share) |
$ 100
|
$ 100
|
|
|
Equity correlation |
100.00%
|
100.00%
|
|
|
Long-dated equity volatilities |
70.00%
|
84.00%
|
|
|
Recurring | Level 3 | Weighted Average | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Price (in dollars per share) |
$ 96
|
|
|
|
Recurring | Level 3 | Weighted Average | Discounted cash flow, Market comparables, Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Price (in dollars per share) |
$ 73
|
$ 66
|
|
|
Equity correlation |
68.00%
|
63.00%
|
|
|
Long-dated equity volatilities |
23.00%
|
22.00%
|
|
|
Recurring | Level 3 | Other assets |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
$ 999,000,000
|
|
|
|
Recurring | Level 3 | Loans and leases |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
526,000,000
|
$ 571,000,000
|
|
|
Recurring | Level 3 | Loans Held-for-Sale |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
685,000,000
|
690,000,000
|
|
|
Recurring | Level 3 | Credit derivatives |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Net derivative asset (liability) |
$ (298,000,000)
|
$ (282,000,000)
|
|
|
Recurring | Level 3 | Credit derivatives | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Loss severity |
35.00%
|
35.00%
|
|
|
Recurring | Level 3 | Credit derivatives | Minimum | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
2.00%
|
1.00%
|
|
|
Prepayment speed |
15.00%
|
15.00%
|
|
|
Default rate |
1.00%
|
1.00%
|
|
|
Price (in dollars per share) |
$ 0
|
$ 0
|
|
|
Upfront points |
0.00%
|
0.00%
|
|
|
Credit correlation |
22.00%
|
35.00%
|
|
|
Recurring | Level 3 | Credit derivatives | Minimum | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Prepayment speed |
|
10.00%
|
|
|
Recurring | Level 3 | Credit derivatives | Maximum | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
4.00%
|
5.00%
|
|
|
Prepayment speed |
20.00%
|
20.00%
|
|
|
Default rate |
4.00%
|
4.00%
|
|
|
Price (in dollars per share) |
$ 83
|
$ 102
|
|
|
Upfront points |
1.00%
|
1.00%
|
|
|
Credit correlation |
80.00%
|
83.00%
|
|
|
Recurring | Level 3 | Credit derivatives | Maximum | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Prepayment speed |
|
20.00%
|
|
|
Recurring | Level 3 | Credit derivatives | Weighted Average | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
3.00%
|
3.00%
|
|
|
Prepayment speed |
15.00%
|
16.00%
|
|
|
Default rate |
2.00%
|
2.00%
|
|
|
Price (in dollars per share) |
$ 73
|
$ 82
|
|
|
Upfront points |
0.71%
|
0.71%
|
|
|
Credit correlation |
38.00%
|
42.00%
|
|
|
Recurring | Level 3 | Equity contracts |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Net derivative asset (liability) |
$ (1,508,000,000)
|
$ (2,059,000,000)
|
|
|
Recurring | Level 3 | Equity contracts | Minimum | Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Equity correlation |
7.00%
|
15.00%
|
|
|
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 |
70.00%
|
84.00%
|
|
|
Recurring | Level 3 | Equity contracts | Weighted Average | Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Equity correlation |
68.00%
|
63.00%
|
|
|
Long-dated equity volatilities |
23.00%
|
22.00%
|
|
|
Recurring | Level 3 | Commodity contracts |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Net derivative asset (liability) |
$ 2,000,000
|
$ (3,000,000)
|
|
|
Recurring | Level 3 | Commodity contracts | Minimum | Discounted cash flow, Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Long-dated equity volatilities |
11.00%
|
26.00%
|
|
|
Natural gas forward price |
$ 1
|
$ 1
|
|
|
Correlation |
65.00%
|
71.00%
|
|
|
Recurring | Level 3 | Commodity contracts | Maximum | Discounted cash flow, Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Long-dated equity volatilities |
196.00%
|
132.00%
|
|
|
Natural gas forward price |
$ 5
|
$ 5
|
|
|
Correlation |
93.00%
|
87.00%
|
|
|
Recurring | Level 3 | Commodity contracts | Weighted Average | Discounted cash flow, Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Long-dated equity volatilities |
60.00%
|
57.00%
|
|
|
Natural gas forward price |
$ 3
|
$ 3
|
|
|
Correlation |
79.00%
|
81.00%
|
|
|
Recurring | Level 3 | Interest rate contracts |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Net derivative asset (liability) |
$ 666,000,000
|
$ 630,000,000
|
|
|
Recurring | Level 3 | Interest rate contracts | Minimum | Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Correlation (IR/IR) |
15.00%
|
15.00%
|
|
|
Correlation (FX/IR) |
0.00%
|
0.00%
|
|
|
Long-dated inflation rates |
(18.00%)
|
(14.00%)
|
|
|
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) |
70.00%
|
92.00%
|
|
|
Correlation (FX/IR) |
46.00%
|
46.00%
|
|
|
Long-dated inflation rates |
34.00%
|
38.00%
|
|
|
Long-dated inflation volatilities |
1.00%
|
1.00%
|
|
|
Recurring | Level 3 | Interest rate contracts | Weighted Average | Industry standard derivative pricing |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Correlation (IR/IR) |
43.00%
|
50.00%
|
|
|
Correlation (FX/IR) |
1.00%
|
1.00%
|
|
|
Long-dated inflation rates |
2.00%
|
4.00%
|
|
|
Long-dated inflation volatilities |
1.00%
|
1.00%
|
|
|
Recurring | Level 3 | Long-term debt |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Long-term debt |
$ (1,351,000,000)
|
$ (1,863,000,000)
|
|
|
Recurring | Level 3 | Mortgage trading loans, ABS and other MBS |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
1,400,000,000
|
1,500,000,000
|
|
|
Recurring | Level 3 | Corporate securities, trading loans and other |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
1,700,000,000
|
1,900,000,000
|
|
|
Recurring | Level 3 | Non-U.S. sovereign debt |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
401,000,000
|
556,000,000
|
|
|
Recurring | Level 3 | Other taxable securities |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
|
509,000,000
|
|
|
Recurring | Level 3 | Tax-exempt securities |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
|
469,000,000
|
|
|
Recurring | Level 3 | Instruments backed by residential real estate assets |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
$ 845,000,000
|
$ 871,000,000
|
|
|
Recurring | Level 3 | Instruments backed by residential real estate assets | Minimum | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
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, Stochastic recovery correlation model |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
25.00%
|
25.00%
|
|
|
Prepayment speed |
20.00%
|
22.00%
|
|
|
Default rate |
2.00%
|
3.00%
|
|
|
Loss severity |
52.00%
|
53.00%
|
|
|
Recurring | Level 3 | Instruments backed by residential real estate assets | Weighted Average | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
6.00%
|
|
|
|
Prepayment speed |
11.00%
|
|
|
|
Default rate |
1.00%
|
|
|
|
Loss severity |
17.00%
|
|
|
|
Recurring | Level 3 | Instruments backed by residential real estate assets | Weighted Average | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
|
6.00%
|
|
|
Prepayment speed |
|
12.00%
|
|
|
Default rate |
|
1.00%
|
|
|
Loss severity |
|
17.00%
|
|
|
Recurring | Level 3 | Instruments backed by residential real estate assets | Loans and leases |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
$ 525,000,000
|
$ 570,000,000
|
|
|
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 |
2,000,000
|
3,000,000
|
|
|
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 |
318,000,000
|
298,000,000
|
|
|
Recurring | Level 3 | Instruments backed by commercial real estate assets |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
$ 299,000,000
|
$ 286,000,000
|
|
|
Recurring | Level 3 | Instruments backed by commercial real estate assets | Minimum | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
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, Stochastic recovery correlation model |
|
|
|
|
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 | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
9.00%
|
|
|
|
Price (in dollars per share) |
$ 67
|
|
|
|
Recurring | Level 3 | Instruments backed by commercial real estate assets | Weighted Average | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
|
9.00%
|
|
|
Price (in dollars per share) |
|
$ 67
|
|
|
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 |
$ 34,000,000
|
$ 42,000,000
|
|
|
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 |
265,000,000
|
244,000,000
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
$ 3,592,000,000
|
$ 4,023,000,000
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other | Minimum | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
0.00%
|
0.00%
|
|
|
Prepayment speed |
10.00%
|
|
|
|
Default rate |
3.00%
|
3.00%
|
|
|
Loss severity |
35.00%
|
35.00%
|
|
|
Price (in dollars per share) |
$ 0
|
$ 0
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other | Maximum | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
12.00%
|
12.00%
|
|
|
Prepayment speed |
20.00%
|
|
|
|
Default rate |
4.00%
|
4.00%
|
|
|
Loss severity |
40.00%
|
40.00%
|
|
|
Price (in dollars per share) |
$ 141
|
$ 145
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other | Weighted Average | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Yield |
5.00%
|
5.00%
|
|
|
Prepayment speed |
15.00%
|
16.00%
|
|
|
Default rate |
4.00%
|
4.00%
|
|
|
Loss severity |
38.00%
|
37.00%
|
|
|
Price (in dollars per share) |
$ 66
|
$ 63
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other | Loans and leases |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
$ 1,000,000
|
$ 1,000,000
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other | Loans Held-for-Sale |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
683,000,000
|
687,000,000
|
|
|
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 |
1,020,000,000
|
1,158,000,000
|
|
|
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 |
1,444,000,000
|
1,613,000,000
|
|
|
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 |
401,000,000
|
556,000,000
|
|
|
Recurring | Level 3 | Commercial loans, debt securities and other | Other taxable securities | Available-for-sale Securities |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
43,000,000
|
8,000,000
|
|
|
Recurring | Level 3 | Auction rate securities |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
|
$ 977,000,000
|
|
|
Recurring | Level 3 | Auction rate securities | Minimum | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Price (in dollars per share) |
|
$ 10
|
|
|
Recurring | Level 3 | Auction rate securities | Maximum | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Price (in dollars per share) |
|
100
|
|
|
Recurring | Level 3 | Auction rate securities | Weighted Average | Discounted cash flow, Market comparables |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Price (in dollars per share) |
|
$ 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 |
|
$ 7,000,000
|
|
|
Recurring | Level 3 | Auction rate securities | Other taxable securities | Available-for-sale Securities |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
|
501,000,000
|
|
|
Recurring | Level 3 | Auction rate securities | Tax-exempt securities | Available-for-sale Securities |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
|
469,000,000
|
|
|
Recurring | Level 3 | MSRs |
|
|
|
|
Fair Value Inputs, Assets, Quantitative Information [Line Items] |
|
|
|
|
Assets, fair value |
$ 2,296,000,000
|
$ 2,302,000,000
|
|
|
Recurring | Level 3 | MSRs | Minimum | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
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%
|
9.00%
|
|
|
Option Adjusted Spread, variable rate |
9.00%
|
9.00%
|
|
|
Recurring | Level 3 | MSRs | Maximum | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Weighted-average life, fixed rate |
14 years
|
14 years
|
|
|
Weighted-average life, variable rate |
10 years
|
10 years
|
|
|
Option Adjusted Spread, fixed rate |
14.00%
|
14.00%
|
|
|
Option Adjusted Spread, variable rate |
15.00%
|
15.00%
|
|
|
Recurring | Level 3 | MSRs | Weighted Average | Discounted cash flow, Stochastic recovery correlation model |
|
|
|
|
Fair Value Inputs [Abstract] |
|
|
|
|
Weighted-average life, fixed rate |
6 years
|
5 years
|
|
|
Weighted-average life, variable rate |
3 years
|
3 years
|
|
|
Option Adjusted Spread, fixed rate |
10.00%
|
10.00%
|
|
|
Option Adjusted Spread, variable rate |
12.00%
|
12.00%
|
|
|