Fair value measurement - Assets and Liabilities on Recurring Basis (Details) - USD ($) $ in Millions		Jun. 30, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		$ 110,067	$ 88,550
Trading assets:
Total derivatives fair value		9,973	9,061
Effect of master netting agreements		(5,640)	(5,819)
Total derivative assets		4,333	3,242
Trading liabilities:
Total derivatives fair value		9,692	9,206
Effect of master netting agreements		(5,817)	(5,415)
Derivative liabilities		3,875	3,791
Long-term debt		399	387
Investment management funds
Trading assets:
Trading assets		450	229
Other assets		10	16
Total assets		460	245
Trading liabilities:
Total liabilities		4	1
Interest rate contracts
Trading assets:
Effect of master netting agreements		(2,436)	(1,792)
Trading liabilities:
Effect of master netting agreements		(2,680)	(1,986)
Foreign exchange contracts
Trading assets:
Effect of master netting agreements		(3,204)	(4,021)
Trading liabilities:
Effect of master netting agreements		(3,134)	(3,428)
Equity contracts
Trading assets:
Effect of master netting agreements		0	(6)
Trading liabilities:
Effect of master netting agreements		(3)	(1)
Agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		26,437	27,043
U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		25,137	15,431
Sovereign debt/sovereign guaranteed
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		15,887	12,646
Agency commercial mortgage-backed securities (“MBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		9,988	9,417
Foreign covered bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		5,519	4,197
Supranational
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		5,448	3,709
Collateralized loan obligations (“CLOs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		4,432	4,063
U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		2,806	1,949
Other ABS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		2,743	2,143
Commercial paper/certificates of deposit (“CDs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,853
Non-agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,598	1,233
State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		1,179	1,044
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		831	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		9,836	9,040
Trading liabilities:
Total derivatives fair value		8,728	8,599
Not designated as hedging | Interest rate contracts
Trading assets:
Total derivatives fair value		5,501	3,690
Trading liabilities:
Total derivatives fair value		4,668	3,250
Not designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value		4,322	5,331
Trading liabilities:
Total derivatives fair value		4,036	5,340
Not designated as hedging | Equity contracts
Trading assets:
Total derivatives fair value		13	19
Trading liabilities:
Total derivatives fair value		22	5
Designated as hedging
Trading assets:
Total derivatives fair value		137	21
Trading liabilities:
Total derivatives fair value		964	607
Designated as hedging | Interest rate contracts
Trading assets:
Total derivatives fair value		0	0
Trading liabilities:
Total derivatives fair value		915	350
Designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value		137	21
Trading liabilities:
Total derivatives fair value		49	257
Operating segments
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	[1]	110,067	88,550
Trading assets:
Trading assets		14,150	13,571
Other assets		529	419
Trading liabilities:
Long-term debt		399	387
Operating segments | Investment management funds
Trading assets:
Total assets		460	245
Trading liabilities:
Total liabilities		4	1
Assets measured at fair value on a recurring basis
Trading assets:
Effect of master netting agreements		(5,640)	(5,819)
Total assets		125,206	102,785
Trading liabilities:
Effect of master netting agreements		(5,817)	(5,415)
Total liabilities		6,962	5,836
Assets measured at fair value on a recurring basis | Level 1
Trading assets:
Total assets		$ 41,361	$ 29,576
Percentage of total assets prior to netting		32.00%	27.00%
Trading liabilities:
Total liabilities		$ 2,617	$ 1,560
Percentage of total liabilities prior to netting		20.00%	14.00%
Assets measured at fair value on a recurring basis | Level 2
Trading assets:
Total assets		$ 89,298	$ 78,847
Percentage of total assets prior to netting		68.00%	73.00%
Trading liabilities:
Total liabilities		$ 10,162	$ 9,691
Percentage of total liabilities prior to netting		80.00%	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		$ 538	$ 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		$ 110,067	$ 88,550
Trading assets:
Debt instruments		7,557	5,811
Equity instruments		2,397	4,539
Effect of master netting agreements		(5,640)	(5,819)
Trading assets		14,150	13,571
Other assets		205	217
Total assets		124,746	102,540
Trading liabilities:
Total trading liabilities		5,595	4,841
Effect of master netting agreements		(5,817)	(5,415)
Long-term debt		399	387
Total other liabilities – derivative liabilities designated as hedging		964
Total liabilities		6,958	5,835
Assets measured at fair value on a recurring basis | Operating segments | Investment management funds
Trading assets:
Total assets		460	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		(2,436)	(1,792)
Trading liabilities:
Effect of master netting agreements		(2,680)	(1,986)
Assets measured at fair value on a recurring basis | Operating segments | Foreign exchange contracts
Trading assets:
Effect of master netting agreements		(3,204)	(4,021)
Trading liabilities:
Effect of master netting agreements		(3,134)	(3,428)
Assets measured at fair value on a recurring basis | Operating segments | Equity contracts
Trading assets:
Effect of master netting agreements		0	(6)
Trading liabilities:
Effect of master netting agreements		(3)	(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		26,437	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		25,137	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		15,887	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		9,988	9,417
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		5,519	4,197
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		5,448	3,709
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		4,432	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		3,578	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		2,806	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		2,743	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		2,630	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		1,853
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		1,598	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		1,179	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		831	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		4,196	3,221
Trading liabilities:
Effect of master netting agreements		(5,817)
Derivative liabilities		2,911	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		3,065	1,898
Trading liabilities:
Derivative liabilities		1,988	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		1,118	1,310
Trading liabilities:
Derivative liabilities		902	1,912
Assets measured at fair value on a recurring basis | Operating segments | Not designated as hedging | Equity contracts
Trading assets:
Total derivative assets		13	13
Trading liabilities:
Derivative liabilities		21	8
Assets measured at fair value on a recurring basis | Operating segments | Designated as hedging
Trading assets:
Total derivative assets		137	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		915	350
Assets measured at fair value on a recurring basis | Operating segments | Designated as hedging | Foreign exchange contracts
Trading assets:
Total derivative assets		137	21
Trading liabilities:
Derivative liabilities		49	257
Assets measured at fair value on a recurring basis | Operating segments | Debt instruments
Trading liabilities:
Total trading liabilities		2,664	1,584
Assets measured at fair value on a recurring basis | Operating segments | Equity instruments
Trading liabilities:
Total trading liabilities		20	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		33,707	23,215
Trading assets:
Debt instruments		4,782	1,568
Equity instruments		2,397	4,539
Trading assets		7,186	6,111
Other assets		52	38
Total assets		$ 40,945	$ 29,364
Percentage of total assets prior to netting		31.00%	27.00%
Trading liabilities:
Total trading liabilities		$ 2,617	$ 1,559
Long-term debt		0	0
Total other liabilities – derivative liabilities designated as hedging		0
Total liabilities		$ 2,617	$ 1,559
Percentage of total liabilities prior to netting		20.00%	14.00%
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Investment management funds
Trading assets:
Total assets		$ 416	$ 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		25,137	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		8,570	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 | 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 | 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 | 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		7	4
Trading liabilities:
Total derivatives fair value		8	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		5	4
Trading liabilities:
Total derivatives fair value		7	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		2	0
Trading liabilities:
Total derivatives fair value		1	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		2,589	1,477
Assets measured at fair value on a recurring basis | Operating segments | Level 1 | Equity instruments
Trading liabilities:
Total trading liabilities		20	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		76,360	65,335
Trading assets:
Debt instruments		2,775	4,243
Equity instruments		0	0
Trading assets		12,604	13,279
Other assets		153	179
Total assets		$ 89,254	$ 78,814
Percentage of total assets prior to netting		69.00%	73.00%
Trading liabilities:
Total trading liabilities		$ 8,795	$ 8,697
Long-term debt		399	387
Total other liabilities – derivative liabilities designated as hedging		964
Total liabilities		$ 10,158	$ 9,691
Percentage of total liabilities prior to netting		80.00%	86.00%
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Investment management funds
Trading assets:
Total assets		$ 44	$ 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		26,437	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		7,317	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		9,988	9,417
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		5,519	4,197
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		5,448	3,709
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		4,432	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		3,578	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		2,806	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		2,743	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		2,630	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		1,853
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		1,598	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		1,179	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		831	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		9,829	9,036
Trading liabilities:
Total derivatives fair value		8,720	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		5,496	3,686
Trading liabilities:
Total derivatives fair value		4,661	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		4,322	5,331
Trading liabilities:
Total derivatives fair value		4,036	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		23	6
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Designated as hedging
Trading assets:
Total derivatives fair value		137	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		915	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		137	21
Trading liabilities:
Total derivatives fair value		49	257
Assets measured at fair value on a recurring basis | Operating segments | Level 2 | Debt instruments
Trading liabilities:
Total trading liabilities		75	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 | 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 | 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 | 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		$ 187	$ 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.