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NOTES PAYABLE AND LONG-TERM DEBT, Revolving Credit Facilities and Secured Term Debt (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 1 Months Ended | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2011 Secured Debt [Member] | Dec. 31, 2008 A&B Properties, Inc. [Member] Secured Debt [Member] | Dec. 31, 2011 Revolving Credit Loans [Member] | Dec. 31, 2011 Revolving Credit Loans [Member] A&B (Parent Company) [Member] | Dec. 31, 2011 Revolving Credit Loans [Member] Matson [Member] | Dec. 31, 2011 Prudential facility [Member] | Dec. 31, 2011 Prudential facility [Member] A&B (Parent Company) [Member]
Revolving credit and term facilities [Abstract] |  |  |  |  |  |  |  |
Number of revolving senior credit facilities |  |  |  | 2 |  |  |  |
Number of commercial banks |  |  |  | 7 |  |  |  |
Term of facility (in years) |  |  |  |  |  |  | 3Y | 3Y
Maximum borrowing capacity |  |  |  | $ 355 | $ 230 | $ 125 | $ 400 | $ 400
Expiration date of facility | August 2016 |  |  | August 2016 | August 2016 |  | April 19, 2012 | April 19, 2012
Interest rate description | London Interbank Offered Rate “LIBOR” plus a margin based on a ratio of debt to earnings before interest, taxes, depreciation and amortization pricing grid |  |  | London Interbank Offered Rate “LIBOR” plus a margin based on a ratio of debt to earnings before interest, taxes, depreciation and amortization pricing grid | London Interbank Offered Rate “LIBOR” plus a margin based on a ratio of debt to earnings before interest, taxes, depreciation and amortization pricing grid |  | borrowings under the shelf facility bear interest at rates that are determined at the time of the borrowing | borrowings under the shelf facility bear interest at rates that are determined at the time of the borrowing
Covenant terms | maintenance of minimum shareholders' equity levels, minimum unencumbered property investment values, and a maximum ratio of debt to earnings before interest, depreciation, amortization and taxes |  |  | maintenance of minimum shareholders' equity levels, minimum unencumbered property investment values, and a maximum ratio of debt to earnings before interest, depreciation, amortization and taxes | maintenance of minimum shareholders' equity levels, minimum unencumbered property investment values, and a maximum ratio of total debt to earnings before interest, depreciation, amortization, and taxes |  | restrictive covenants that are substantially the same as the covenants contained in the revolving senior credit facilities |
Outstanding letters of credit |  |  |  | 19 | 11 |  |  |
Total remaining capacity available for borrowing | $ 283 |  |  | $ 163 | $ 106 |  | $ 120 | $ 120
Secured term debt [Abstract] |  |  |  |  |  |  |  |
Term of debt instrument (in years) |  | 15Y |  | 3Y |  |  |  |
Number of notes assumed |  |  | 2 |  |  |  |  |

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- Definition Description of the conditions for borrowing under the credit facility including the nature of any restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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