The Charles Schwab Corporation – Parent Company Only Financial Statements (Condensed Balance Sheets) (Details) - USD ($) $ in Millions		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents	[1]	$ 62,975	$ 40,348	$ 29,345
Other assets		10,318	7,783
Total assets		667,270	549,009	294,000
Liabilities and Stockholders’ Equity
Accrued expenses and other liabilities		17,791	17,094
Short-term borrowings		4,855	0
Long-term debt		18,914	13,632
Total liabilities		611,009	492,949
Stockholders’ equity		56,261	56,060	$ 21,745	$ 20,670
Total liabilities and stockholders’ equity		667,270	549,009
Parent Company [Member]
Assets
Cash and cash equivalents		6,839	4,654
Receivables from subsidiaries		1,288	1,260
Available for sale securities		4,218	4,982
Investment in non-bank subsidiaries		34,377	29,550
Investment in bank subsidiaries		30,720	25,548
Other assets		357	371
Total assets		77,799	66,365
Liabilities and Stockholders’ Equity
Accrued expenses and other liabilities		618	458
Payables to subsidiaries		80	34
Short-term borrowings		3,005	0
Long-term debt		17,835	9,813
Total liabilities		21,538	10,305
Stockholders’ equity		56,261	56,060
Total liabilities and stockholders’ equity		$ 77,799	$ 66,365

[1] For more information on the nature of restrictions on restricted cash and cash equivalents, see Note 23.