The Charles Schwab Corporation – Parent Company Only Financial Statements (Condensed Balance Sheets) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 11,978	$ 11,363	$ 7,728	$ 12,663
Securities held to maturity	50,007	34,389
Other securities owned — at fair value	533	516
Other assets	1,174	780
Total assets	183,718	154,642
Liabilities and Stockholders' Equity
Accrued expenses and other liabilities	2,151	1,816
Long-term debt	2,890	1,899
Total liabilities	170,316	142,839
Stockholders' equity	13,402	11,803	10,381	9,589
Total liabilities and stockholders' equity	183,718	154,642
Parent Company [Member]
Assets
Cash and cash equivalents	1,007	1,043	$ 700	$ 1,339
Receivables from subsidiaries	419	360
Securities available for sale	569
Securities held to maturity	223
Other securities owned — at fair value	65	74
Loans to non-bank subsidiaries	468	327
Investment in non-bank subsidiaries	4,374	4,083
Investment in bank subsidiary	9,191	7,883
Other assets	101	68
Total assets	16,417	13,838
Liabilities and Stockholders' Equity
Accrued expenses and other liabilities	189	185
Payables to subsidiaries	11	34
Long-term debt	2,815	1,816
Total liabilities	3,015	2,035
Stockholders' equity	13,402	11,803
Total liabilities and stockholders' equity	$ 16,417	$ 13,838