Segment Reporting (Results of Business) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net interest income	$ 13,014	$ 10,647	$ 9,946
Noninterest income	8,106	8,564	6,955
Total revenue	21,120	19,211	16,901
Provision for (recapture of) credit losses	477	(779)	3,175
Depreciation and amortization	1,139	1,066	983
Other noninterest expense	12,031	11,936	9,314
Income from continuing operations before income taxes and noncontrolling interests	7,473	6,988	3,429
Income tax expense (benefit)	1,360	1,263	426
Net income from continuing operations	6,113	5,725	3,003
Less: Net income attributable to noncontrolling interests	72	51	41
Net income (loss) from continuing operations excluding noncontrolling interests	6,041	5,674	2,962
Average Assets	550,652	523,166	449,295
Other Segments
Segment Reporting Information [Line Items]
Noninterest income	582	998	520
Retail Banking | Operating Segments
Segment Reporting Information [Line Items]
Net interest income	7,540	6,206	5,609
Noninterest income	2,967	2,796	2,519
Total revenue	10,507	9,002	8,128
Provision for (recapture of) credit losses	259	(101)	968
Depreciation and amortization	310	293	251
Other noninterest expense	7,288	6,623	5,768
Income from continuing operations before income taxes and noncontrolling interests	2,650	2,187	1,141
Income tax expense (benefit)	621	508	266
Net income from continuing operations	2,029	1,679	875
Less: Net income attributable to noncontrolling interests	55	31	31
Net income (loss) from continuing operations excluding noncontrolling interests	1,974	1,648	844
Average Assets	113,829	106,331	97,643
Corporate & Institutional Banking | Operating Segments
Segment Reporting Information [Line Items]
Net interest income	5,179	4,526	3,999
Noninterest income	3,621	3,783	3,062
Total revenue	8,800	8,309	7,061
Provision for (recapture of) credit losses	198	(646)	2,088
Depreciation and amortization	213	208	197
Other noninterest expense	3,438	3,271	2,659
Income from continuing operations before income taxes and noncontrolling interests	4,951	5,476	2,117
Income tax expense (benefit)	1,064	1,138	433
Net income from continuing operations	3,887	4,338	1,684
Less: Net income attributable to noncontrolling interests	17	14	10
Net income (loss) from continuing operations excluding noncontrolling interests	3,870	4,324	1,674
Average Assets	219,941	188,470	183,189
Asset Management Group | Operating Segments
Segment Reporting Information [Line Items]
Net interest income	608	476	357
Noninterest income	936	987	854
Total revenue	1,544	1,463	1,211
Provision for (recapture of) credit losses	28	(7)	21
Depreciation and amortization	29	23	45
Other noninterest expense	1,057	918	813
Income from continuing operations before income taxes and noncontrolling interests	430	529	332
Income tax expense (benefit)	100	123	77
Net income from continuing operations	330	406	255
Less: Net income attributable to noncontrolling interests
Net income (loss) from continuing operations excluding noncontrolling interests	330	406	255
Average Assets	14,505	11,677	8,186
Other
Segment Reporting Information [Line Items]
Net interest income	(313)	(561)	(19)
Noninterest income	582	998	520
Total revenue	269	437	501
Provision for (recapture of) credit losses	(8)	(25)	98
Depreciation and amortization	587	542	490
Other noninterest expense	248	1,124	74
Income from continuing operations before income taxes and noncontrolling interests	(558)	(1,204)	(161)
Income tax expense (benefit)	(425)	(506)	(350)
Net income from continuing operations	(133)	(698)	189
Less: Net income attributable to noncontrolling interests		6
Net income (loss) from continuing operations excluding noncontrolling interests	(133)	(704)	189
Average Assets	$ 202,377	$ 216,688	$ 160,277