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v2.3.0.11

Commitments and Contingencies (Claims Received by Loan Origination Year) (Details) (USD $) In Millions | 3 Months Ended | 36 Months Ended
--- | --- | ---
Apr. 30, 2011 | Jan. 31, 2011 | Oct. 31, 2010 | Jul. 31, 2010 | Apr. 30, 2010 | Jan. 31, 2010 | Oct. 31, 2009 | Jul. 31, 2009 | Apr. 30, 2009 | Jan. 31, 2009 | Oct. 31, 2008 | Jul. 31, 2008 | Apr. 30, 2011
Claims received for loans | $ 55 | $ 33 | $ 21 | $ 109 | $ 45 | $ 11 | $ 83 | $ 6 | $ 22 | $ 197 | $ 41 | $ 172 | $ 795
2005 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Claims received for loans | 1 |  | 1 | 6 |  |  | 15 |  |  | 1 | 21 | 40 | 85
2006 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Claims received for loans | 50 | 29 | 15 | 100 | 45 | 4 | 57 | 2 | 7 | 111 | 10 | 89 | 519
2007 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Claims received for loans | $ 4 | $ 4 | $ 5 | $ 3 |  | $ 7 | $ 11 | $ 4 | $ 15 | $ 85 | $ 10 | $ 43 | $ 191

X
- Definition Claims received for loans + Details
Name: | hrb_ClaimsReceivedForLoans
Namespace Prefix: | hrb
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration