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Net Capital and Net Capital Requirements for Schwab and optionsXpress, Inc (Detail) (USD $)
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Dec. 31, 2012
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|---|---|
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Schwab
|
|
| Compliance with Regulatory Capital Requirements for Broker Dealers [Line Items] | |
| Net Capital | $ 1,365,000,000 |
| % of Aggregate Debit Balances | 9.00% |
| Minimum Net Capital Required | 250,000 |
| 2% of Aggregate Debit Balances | 297,000,000 |
| Net Capital in Excess of Required Net Capital | 1,068,000,000 |
| Net Capital in Excess of 5% of Aggregate Debit Balances | 623,000,000 |
|
OptionsXpress, Inc.
|
|
| Compliance with Regulatory Capital Requirements for Broker Dealers [Line Items] | |
| Net Capital | 87,000,000 |
| % of Aggregate Debit Balances | 40.00% |
| Minimum Net Capital Required | 1,000,000 |
| 2% of Aggregate Debit Balances | 5,000,000 |
| Net Capital in Excess of Required Net Capital | 82,000,000 |
| Net Capital in Excess of 5% of Aggregate Debit Balances | $ 76,000,000 |