Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Cash Flows [Abstract]
Sale of premises and equipment	$ 1	$ 88	$ 1
Total cash and cash equivalents	33,914	22,028	32,965
Restricted balances included in Cash and cash equivalents	544	525	606
Total cash and cash equivalents, excluding restricted balances	$ 33,370	$ 21,503	$ 32,359