Fair value measurement - Assets and Liabilities on Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	$ 101,007	$ 108,495
Trading assets:
Total derivatives fair value	10,278	12,191
Effect of master netting agreements	(5,875)	(8,346)
Total derivative assets	4,403	3,845
Trading assets	17,854	15,272
Other assets	1,313	1,009
Trading liabilities:
Total derivatives fair value	9,649	12,650
Effect of master netting agreements	(6,529)	(7,845)
Derivative liabilities	3,120	4,805
Long-term debt	400	400
Other liabilities	433	1,110
Interest rate contracts
Trading assets:
Effect of master netting agreements	(1,456)	(1,952)
Trading liabilities:
Effect of master netting agreements	(1,844)	(2,348)
Foreign exchange contracts
Trading assets:
Effect of master netting agreements	(4,251)	(6,392)
Trading liabilities:
Effect of master netting agreements	(4,685)	(5,484)
Equity contracts
Trading assets:
Effect of master netting agreements	(168)	(2)
Trading liabilities:
Effect of master netting agreements	0	(13)
U.S. Treasury
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	25,961	24,894
Agency residential mortgage-backed securities (“RMBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	14,908	22,347
Sovereign debt/sovereign guaranteed
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	13,069	12,391
Agency commercial mortgage-backed securities (“MBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	8,544	9,228
Supranational
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	7,939	7,160
Foreign covered bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	6,946	6,725
Collateralized loan obligations (“CLOs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	5,204	4,703
State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	2,644	2,308
U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	2,643	3,853
Non-agency RMBS
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	2,598	2,326
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	2,377	1,994
Other asset-backed securities (“ABS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	2,312	3,164
Commercial paper/certificates of deposit (“CDs”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale		249
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	10,040	12,172
Trading liabilities:
Total derivatives fair value	9,221	11,543
Not designated as hedging | Interest rate contracts
Trading assets:
Total derivatives fair value	3,424	4,482
Trading liabilities:
Total derivatives fair value	2,989	3,880
Not designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value	6,351	7,688
Trading liabilities:
Total derivatives fair value	6,218	7,622
Not designated as hedging | Equity contracts
Trading assets:
Total derivatives fair value	265	2
Trading liabilities:
Total derivatives fair value	9	37
Designated as hedging
Trading assets:
Total derivatives fair value	238	19
Trading liabilities:
Total derivatives fair value	428	1,107
Designated as hedging | Interest rate contracts
Trading assets:
Total derivatives fair value	0	0
Trading liabilities:
Total derivatives fair value	421	666
Designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value	238	19
Trading liabilities:
Total derivatives fair value	7	441
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	387	487
Measured at fair value on a recurring basis | Operating segments
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	101,007	108,495
Trading assets:
Debt instruments	4,415	5,671
Equity instruments	9,274	5,775
Effect of master netting agreements	(5,875)	(8,346)
Trading assets	17,854	15,272
Other assets	856	789
Total other assets	1,094	808
Total assets	120,174	124,776
Trading liabilities:
Total trading liabilities	5,152	6,031
Effect of master netting agreements	(6,529)	(7,845)
Derivative liabilities	428
Long-term debt	400	400
Other liabilities	5	3
Total other liabilities	433	1,110
Total liabilities	5,985	7,541
Measured at fair value on a recurring basis | Operating segments | Interest rate contracts
Trading assets:
Effect of master netting agreements	(1,455)	(1,952)
Trading liabilities:
Effect of master netting agreements	(1,844)	(2,348)
Measured at fair value on a recurring basis | Operating segments | Foreign exchange contracts
Trading assets:
Effect of master netting agreements	(4,251)	(6,392)
Trading liabilities:
Effect of master netting agreements	(4,685)	(5,484)
Measured at fair value on a recurring basis | Operating segments | Equity contracts
Trading assets:
Effect of master netting agreements	(169)	(2)
Trading liabilities:
Effect of master netting agreements	0	(13)
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	25,961	24,894
Measured at fair value on a recurring basis | Operating segments | Agency residential mortgage-backed securities (“RMBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	14,908	22,347
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	13,069	12,391
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	8,544	9,228
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	7,939	7,160
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	6,946	6,725
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	5,204	4,703
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	3,182	3,017
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	2,679	4,135
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	2,644	2,308
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	2,643	3,853
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	2,598	2,326
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	2,377	1,994
Measured at fair value on a recurring basis | Operating segments | Other asset-backed securities (“ABS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	2,312	3,164
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		249
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
Measured at fair value on a recurring basis | Operating segments | Not designated as hedging
Trading assets:
Total derivative assets	4,165	3,826
Trading liabilities:
Derivative liabilities	2,692	3,698
Measured at fair value on a recurring basis | Operating segments | Not designated as hedging | Interest rate contracts
Trading assets:
Total derivative assets	1,969	2,530
Trading liabilities:
Derivative liabilities	1,145	1,532
Measured at fair value on a recurring basis | Operating segments | Not designated as hedging | Foreign exchange contracts
Trading assets:
Total derivative assets	2,100	1,296
Trading liabilities:
Derivative liabilities	1,533	2,138
Measured at fair value on a recurring basis | Operating segments | Not designated as hedging | Equity contracts
Trading assets:
Total derivative assets	96	0
Trading liabilities:
Derivative liabilities	14	28
Measured at fair value on a recurring basis | Operating segments | Designated as hedging
Trading assets:
Total derivative assets	238	19
Trading liabilities:
Derivative liabilities		1,107
Measured at fair value on a recurring basis | Operating segments | Designated as hedging | Interest rate contracts
Trading liabilities:
Derivative liabilities	421	666
Measured at fair value on a recurring basis | Operating segments | Designated as hedging | Foreign exchange contracts
Trading assets:
Total derivative assets	238	19
Trading liabilities:
Derivative liabilities	7	441
Measured at fair value on a recurring basis | Operating segments | Debt instruments
Trading liabilities:
Total trading liabilities	2,399	2,322
Measured at fair value on a recurring basis | Operating segments | Equity instruments
Trading liabilities:
Total trading liabilities	61	11
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	31,548	30,803
Trading assets:
Debt instruments	1,811	1,803
Equity instruments	9,274	5,775
Trading assets	11,095	7,583
Other assets	531	504
Total other assets	531	504
Total assets	$ 43,174	$ 38,890
Percentage of total assets prior to netting	34.00%	29.00%
Trading liabilities:
Total trading liabilities	$ 2,395	$ 2,307
Total derivatives fair value	0
Long-term debt	0	0
Other liabilities	1	1
Total other liabilities	1	1
Total liabilities	$ 2,396	$ 2,308
Percentage of total liabilities prior to netting	19.00%	15.00%
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	$ 25,961	$ 24,894
Measured at fair value on a recurring basis | Operating segments | Level 1 | Agency residential mortgage-backed securities (“RMBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	0	0
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	5,587	5,909
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
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
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
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
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
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
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
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
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
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
Measured at fair value on a recurring basis | Operating segments | Level 1 | Other asset-backed securities (“ABS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	0	0
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
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
Measured at fair value on a recurring basis | Operating segments | Level 1 | Not designated as hedging
Trading assets:
Total derivatives fair value	10	5
Trading liabilities:
Total derivatives fair value	3	9
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	5
Trading liabilities:
Total derivatives fair value	3	2
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
Measured at fair value on a recurring basis | Operating segments | Level 1 | Not designated as hedging | Equity contracts
Trading assets:
Total derivatives fair value	6	0
Trading liabilities:
Total derivatives fair value	0	7
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 derivatives fair value		0
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
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
Measured at fair value on a recurring basis | Operating segments | Level 1 | Debt instruments
Trading liabilities:
Total trading liabilities	2,331	2,287
Measured at fair value on a recurring basis | Operating segments | Level 1 | Equity instruments
Trading liabilities:
Total trading liabilities	61	11
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	69,459	77,692
Trading assets:
Debt instruments	2,604	3,868
Equity instruments	0	0
Trading assets	12,634	16,035
Other assets	325	285
Total other assets	563	304
Total assets	$ 82,656	$ 94,031
Percentage of total assets prior to netting	66.00%	71.00%
Trading liabilities:
Total trading liabilities	$ 9,286	$ 11,569
Total derivatives fair value	428
Long-term debt	400	400
Other liabilities	4	2
Total other liabilities	432	1,109
Total liabilities	$ 10,118	$ 13,078
Percentage of total liabilities prior to netting	81.00%	85.00%
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
Measured at fair value on a recurring basis | Operating segments | Level 2 | Agency residential mortgage-backed securities (“RMBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	14,908	22,347
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	7,482	6,482
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	8,544	9,228
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	7,939	7,160
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	6,946	6,725
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	5,204	4,703
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	3,182	3,017
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	2,679	4,135
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	2,644	2,308
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	2,643	3,853
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	2,598	2,326
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	2,377	1,994
Measured at fair value on a recurring basis | Operating segments | Level 2 | Other asset-backed securities (“ABS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	2,312	3,164
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		249
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
Measured at fair value on a recurring basis | Operating segments | Level 2 | Not designated as hedging
Trading assets:
Total derivatives fair value	10,030	12,167
Trading liabilities:
Total derivatives fair value	9,218	11,534
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	3,420	4,477
Trading liabilities:
Total derivatives fair value	2,986	3,878
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	6,351	7,688
Trading liabilities:
Total derivatives fair value	6,218	7,622
Measured at fair value on a recurring basis | Operating segments | Level 2 | Not designated as hedging | Equity contracts
Trading assets:
Total derivatives fair value	259	2
Trading liabilities:
Total derivatives fair value	14	34
Measured at fair value on a recurring basis | Operating segments | Level 2 | Designated as hedging
Trading assets:
Total derivatives fair value	238	19
Trading liabilities:
Total derivatives fair value		1,107
Measured at fair value on a recurring basis | Operating segments | Level 2 | Designated as hedging | Interest rate contracts
Trading liabilities:
Total derivatives fair value	421	666
Measured at fair value on a recurring basis | Operating segments | Level 2 | Designated as hedging | Foreign exchange contracts
Trading assets:
Total derivatives fair value	238	19
Trading liabilities:
Total derivatives fair value	7	441
Measured at fair value on a recurring basis | Operating segments | Level 2 | Debt instruments
Trading liabilities:
Total trading liabilities	68	35
Measured at fair value on a recurring basis | Operating segments | Level 2 | Equity instruments
Trading liabilities:
Total trading liabilities	0	0
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 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
Total derivatives fair value	0
Long-term debt	0	0
Other liabilities	0	0
Total other liabilities	0	0
Total liabilities	$ 0	$ 0
Percentage of total liabilities prior to netting	0.00%	0.00%
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
Measured at fair value on a recurring basis | Operating segments | Level 3 | Agency residential mortgage-backed securities (“RMBS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	0	0
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
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
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
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
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
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
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
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
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
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
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
Measured at fair value on a recurring basis | Operating segments | Level 3 | Other asset-backed securities (“ABS”)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Available-for-sale	0	0
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
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
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
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
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
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
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 derivatives fair value		0
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
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
Measured at fair value on a recurring basis | Operating segments | Level 3 | Debt instruments
Trading liabilities:
Total trading liabilities	0	0
Measured at fair value on a recurring basis | Operating segments | Level 3 | Equity instruments
Trading liabilities:
Total trading liabilities	0	0
Measured at fair value on a recurring basis | Operating segments | NAV
Trading assets:
Assets measured at NAV	$ 219	$ 201