Fair value measurement - Assets and Liabilities on Recurring Basis (Details) - USD ($) $ in Millions		Sep. 30, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		$ 109,243	$ 88,550
Trading assets:
Total derivatives fair value		9,443	9,061
Effect of master netting agreements		(5,238)	(5,819)
Total derivative assets		4,205	3,242
Trading liabilities:
Total derivatives fair value		9,776	9,206
Effect of master netting agreements		(6,183)	(5,415)
Derivative liabilities		3,593	3,791
Long-term debt		400	387
Investment management funds
Trading assets:
Trading assets		579	229
Other assets		9	16
Total assets		588	245
Trading liabilities:
Total liabilities		4	1
Interest rate contracts
Trading assets:
Effect of master netting agreements		(2,133)	(1,792)
Trading liabilities:
Effect of master netting agreements		(2,551)	(1,986)
Foreign exchange contracts
Trading assets:
Effect of master netting agreements		(3,102)	(4,021)
Trading liabilities:
Effect of master netting agreements		(3,631)	(3,428)
Equity contracts
Trading assets:
Effect of master netting agreements		(3)	(6)
Trading liabilities:
Effect of master netting agreements		(1)	(1)
Agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		24,733	27,043
U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		24,733	15,431
Sovereign debt/sovereign guaranteed
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		14,093	12,646
Agency commercial mortgage-backed securities (“MBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		9,942	9,417
Supranational
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		7,136	3,709
Foreign covered bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		5,841	4,197
Collateralized loan obligations (“CLOs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		4,657	4,063
U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		3,478	1,949
Other ABS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		2,930	2,143
Commercial paper/certificates of deposit (“CDs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		357
Non-agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,941	1,233
State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,690	1,044
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,030	853
Other debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1	1
Not designated as hedging
Trading assets:
Total derivatives fair value		9,387	9,040
Trading liabilities:
Total derivatives fair value		8,779	8,599
Not designated as hedging | Interest rate contracts
Trading assets:
Total derivatives fair value		4,962	3,690
Trading liabilities:
Total derivatives fair value		4,246	3,250
Not designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value		4,410	5,331
Trading liabilities:
Total derivatives fair value		4,522	5,340
Not designated as hedging | Equity contracts
Trading assets:
Total derivatives fair value		15	19
Trading liabilities:
Total derivatives fair value		8	5
Designated as hedging
Trading assets:
Total derivatives fair value		56	21
Trading liabilities:
Total derivatives fair value		997	607
Designated as hedging | Interest rate contracts
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total derivatives fair value		803	350
Designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value		56	21
Trading liabilities:
Total derivatives fair value		194	257
Operating segments
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	[1]	109,243	88,550
Trading assets:
Trading assets		13,074	13,571
Other assets		527	419
Trading liabilities:
Long-term debt		400	387
Operating segments | Investment management funds
Trading assets:
Total assets		588	245
Trading liabilities:
Total liabilities		4	1
Assets measured at fair value on a recurring basis
Trading assets:
Effect of master netting agreements		(5,238)	(5,819)
Total assets		123,432	102,785
Trading liabilities:
Effect of master netting agreements		(6,183)	(5,415)
Total liabilities		7,485	5,836
Assets measured at fair value on a recurring basis | Level 1
Trading assets:
Total assets		$ 38,268	$ 29,576
Percentage of total assets prior to netting		30.00%	27.00%
Trading liabilities:
Total liabilities		$ 3,425	$ 1,560
Percentage of total liabilities prior to netting		25.00%	14.00%
Assets measured at fair value on a recurring basis | Level 2
Trading assets:
Total assets		$ 90,218	$ 78,847
Percentage of total assets prior to netting		70.00%	73.00%
Trading liabilities:
Total liabilities		$ 10,243	$ 9,691
Percentage of total liabilities prior to netting		75.00%	86.00%
Assets measured at fair value on a recurring basis | Level 2 | Grantor Trust
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		$ 512	$ 640
Assets measured at fair value on a recurring basis | Level 3
Trading assets:
Total assets		$ 0	$ 0
Percentage of total assets prior to netting		0.00%	0.00%
Trading liabilities:
Total liabilities		$ 0	$ 0
Percentage of total liabilities prior to netting		0.00%	0.00%
Assets measured at fair value on a recurring basis | Operating segments
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		$ 109,243	$ 88,550
Trading assets:
Debt instruments		6,231	5,811
Equity instruments		2,694	4,539
Effect of master netting agreements		(5,238)	(5,819)
Trading assets		13,074	13,571
Other assets		287	217
Total assets		122,844	102,540
Trading liabilities:
Total trading liabilities		6,084	4,841
Effect of master netting agreements		(6,183)	(5,415)
Long-term debt		400	387
Total other liabilities – derivative liabilities designated as hedging		997
Total liabilities		7,481	5,835
Assets measured at fair value on a recurring basis | Operating segments | Investment management funds
Trading assets:
Total assets		588	245
Trading liabilities:
Total liabilities		4	1
Assets measured at fair value on a recurring basis | Operating segments | Interest rate contracts
Trading assets:
Effect of master netting agreements		(2,133)	(1,792)
Trading liabilities:
Effect of master netting agreements		(2,551)	(1,986)
Assets measured at fair value on a recurring basis | Operating segments | Foreign exchange contracts
Trading assets:
Effect of master netting agreements		(3,102)	(4,021)
Trading liabilities:
Effect of master netting agreements		(3,631)	(3,428)
Assets measured at fair value on a recurring basis | Operating segments | Equity contracts
Trading assets:
Effect of master netting agreements		(3)	(6)
Trading liabilities:
Effect of master netting agreements		(1)	(1)
Assets measured at fair value on a recurring basis | Operating segments | Agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		24,733	27,043
Assets measured at fair value on a recurring basis | Operating segments | U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		24,733	15,431
Assets measured at fair value on a recurring basis | Operating segments | Sovereign debt/sovereign guaranteed
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		14,093	12,646
Assets measured at fair value on a recurring basis | Operating segments | Agency commercial mortgage-backed securities (“MBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		9,942	9,417
Assets measured at fair value on a recurring basis | Operating segments | Supranational
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		7,136	3,709
Assets measured at fair value on a recurring basis | Operating segments | Foreign covered bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		5,841	4,197
Assets measured at fair value on a recurring basis | Operating segments | Collateralized loan obligations (“CLOs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		4,657	4,063
Assets measured at fair value on a recurring basis | Operating segments | Foreign government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		3,970	2,643
Assets measured at fair value on a recurring basis | Operating segments | U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		3,478	1,949
Assets measured at fair value on a recurring basis | Operating segments | Other ABS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		2,930	2,143
Assets measured at fair value on a recurring basis | Operating segments | Non-agency commercial MBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		2,711	2,178
Assets measured at fair value on a recurring basis | Operating segments | Commercial paper/certificates of deposit (“CDs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		357
Assets measured at fair value on a recurring basis | Operating segments | Non-agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,941	1,233
Assets measured at fair value on a recurring basis | Operating segments | State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,690	1,044
Assets measured at fair value on a recurring basis | Operating segments | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,030	853
Assets measured at fair value on a recurring basis | Operating segments | Other debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1	1
Assets measured at fair value on a recurring basis | Operating segments | Not designated as hedging
Trading assets:
Total derivative assets		4,149	3,221
Trading liabilities:
Effect of master netting agreements		(6,183)
Derivative liabilities		2,596	3,184
Assets measured at fair value on a recurring basis | Operating segments | Not designated as hedging | Interest rate contracts
Trading assets:
Total derivative assets		2,829	1,898
Trading liabilities:
Derivative liabilities		1,695	1,264
Assets measured at fair value on a recurring basis | Operating segments | Not designated as hedging | Foreign exchange contracts
Trading assets:
Total derivative assets		1,308	1,310
Trading liabilities:
Derivative liabilities		891	1,912
Assets measured at fair value on a recurring basis | Operating segments | Not designated as hedging | Equity contracts
Trading assets:
Total derivative assets		12	13
Trading liabilities:
Derivative liabilities		10	8
Assets measured at fair value on a recurring basis | Operating segments | Designated as hedging
Trading assets:
Total derivative assets		56	21
Trading liabilities:
Total other liabilities – derivative liabilities designated as hedging			607
Assets measured at fair value on a recurring basis | Operating segments | Designated as hedging | Interest rate contracts
Trading liabilities:
Derivative liabilities		803	350
Assets measured at fair value on a recurring basis | Operating segments | Designated as hedging | Foreign exchange contracts
Trading assets:
Total derivative assets		56	21
Trading liabilities:
Derivative liabilities		194	257
Assets measured at fair value on a recurring basis | Operating segments | Debt instruments
Trading liabilities:
Total trading liabilities		3,462	1,584
Assets measured at fair value on a recurring basis | Operating segments | Equity instruments
Trading liabilities:
Total trading liabilities		26	73
Assets measured at fair value on a recurring basis | Operating segments | Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		31,912	23,215
Trading assets:
Debt instruments		3,181	1,568
Equity instruments		2,694	4,539
Trading assets		5,883	6,111
Other assets		113	38
Total assets		$ 37,908	$ 29,364
Percentage of total assets prior to netting		30.00%	27.00%
Trading liabilities:
Total trading liabilities		$ 3,425	$ 1,559
Long-term debt		0	0
Total other liabilities – derivative liabilities designated as hedging		0
Total liabilities		$ 3,425	$ 1,559
Percentage of total liabilities prior to netting		25.00%	14.00%
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Investment management funds
Trading assets:
Total assets		$ 360	$ 212
Trading liabilities:
Total liabilities		0	1
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		24,733	15,431
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Sovereign debt/sovereign guaranteed
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		7,179	7,784
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Agency commercial mortgage-backed securities (“MBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Supranational
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Foreign covered bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Collateralized loan obligations (“CLOs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Foreign government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Other ABS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Non-agency commercial MBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Commercial paper/certificates of deposit (“CDs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Non-agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Other debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Not designated as hedging
Trading assets:
Total derivatives fair value		8	4
Trading liabilities:
Total derivatives fair value		3	9
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Not designated as hedging | Interest rate contracts
Trading assets:
Total derivatives fair value		4	4
Trading liabilities:
Total derivatives fair value		3	6
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Not designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total derivatives fair value		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Not designated as hedging | Equity contracts
Trading assets:
Total derivatives fair value		4	0
Trading liabilities:
Total derivatives fair value		0	3
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Designated as hedging
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total other liabilities – derivative liabilities designated as hedging			0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Designated as hedging | Interest rate contracts
Trading liabilities:
Total derivatives fair value		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total derivatives fair value		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Debt instruments
Trading liabilities:
Total trading liabilities		3,396	1,477
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Equity instruments
Trading liabilities:
Total trading liabilities		26	73
Assets measured at fair value on a recurring basis | Operating segments | Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		77,331	65,335
Trading assets:
Debt instruments		3,050	4,243
Equity instruments		0	0
Trading assets		12,429	13,279
Other assets		174	179
Total assets		$ 89,990	$ 78,814
Percentage of total assets prior to netting		70.00%	73.00%
Trading liabilities:
Total trading liabilities		$ 8,842	$ 8,697
Long-term debt		400	387
Total other liabilities – derivative liabilities designated as hedging		997
Total liabilities		$ 10,239	$ 9,691
Percentage of total liabilities prior to netting		75.00%	86.00%
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Investment management funds
Trading assets:
Total assets		$ 228	$ 33
Trading liabilities:
Total liabilities		4	0
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		24,733	27,043
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Sovereign debt/sovereign guaranteed
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		6,914	4,862
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Agency commercial mortgage-backed securities (“MBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		9,942	9,417
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Supranational
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		7,136	3,709
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Foreign covered bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		5,841	4,197
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Collateralized loan obligations (“CLOs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		4,657	4,063
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Foreign government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		3,970	2,643
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		3,478	1,949
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Other ABS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		2,930	2,143
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Non-agency commercial MBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		2,711	2,178
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Commercial paper/certificates of deposit (“CDs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		357
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Non-agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,941	1,233
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,690	1,044
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,030	853
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Other debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1	1
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Not designated as hedging
Trading assets:
Total derivatives fair value		9,379	9,036
Trading liabilities:
Total derivatives fair value		8,776	8,590
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Not designated as hedging | Interest rate contracts
Trading assets:
Total derivatives fair value		4,958	3,686
Trading liabilities:
Total derivatives fair value		4,243	3,244
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Not designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value		4,410	5,331
Trading liabilities:
Total derivatives fair value		4,522	5,340
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Not designated as hedging | Equity contracts
Trading assets:
Total derivatives fair value		11	19
Trading liabilities:
Total derivatives fair value		11	6
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Designated as hedging
Trading assets:
Total derivatives fair value		56	21
Trading liabilities:
Total other liabilities – derivative liabilities designated as hedging			607
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Designated as hedging | Interest rate contracts
Trading liabilities:
Total derivatives fair value		803	350
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value		56	21
Trading liabilities:
Total derivatives fair value		194	257
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Debt instruments
Trading liabilities:
Total trading liabilities		66	107
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Equity instruments
Trading liabilities:
Total trading liabilities		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Trading assets:
Debt instruments		0	0
Equity instruments		0	0
Trading assets		0	0
Other assets		0	0
Total assets		$ 0	$ 0
Percentage of total assets prior to netting		0.00%	0.00%
Trading liabilities:
Total trading liabilities		$ 0	$ 0
Long-term debt		0	0
Total other liabilities – derivative liabilities designated as hedging		0
Total liabilities		$ 0	$ 0
Percentage of total liabilities prior to netting		0.00%	0.00%
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Investment management funds
Trading assets:
Total assets		$ 0	$ 0
Trading liabilities:
Total liabilities		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Sovereign debt/sovereign guaranteed
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Agency commercial mortgage-backed securities (“MBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Supranational
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Foreign covered bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Collateralized loan obligations (“CLOs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Foreign government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Other ABS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Non-agency commercial MBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Commercial paper/certificates of deposit (“CDs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Non-agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Other debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Not designated as hedging
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total derivatives fair value		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Not designated as hedging | Interest rate contracts
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total derivatives fair value		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Not designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total derivatives fair value		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Not designated as hedging | Equity contracts
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total derivatives fair value		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Designated as hedging
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total other liabilities – derivative liabilities designated as hedging			0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Designated as hedging | Interest rate contracts
Trading liabilities:
Total derivatives fair value		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total derivatives fair value		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Debt instruments
Trading liabilities:
Total trading liabilities		0	0
Assets measured at fair value on a recurring basis | Operating segments | Level 3 | Equity instruments
Trading liabilities:
Total trading liabilities		0	0
Assets measured at fair value on a recurring basis | Operating segments | NAV
Trading assets:
Assets measured at NAV		$ 184	$ 181

[1] In the first quarter of 2020, we adopted new accounting guidance included in ASU 2016-13, Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments, on a prospective basis. See Note 2 of the Notes to Consolidated Financial Statements for additional information.