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PARENT COMPANY CONDENSED FINANCIAL INFORMATION, Debt and Dividends (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Long-term debt [Abstract] |  |  |
Total debt | $ 559 | $ 522 |
Long-term debt | 507 | 386 |
Long-term Debt Maturities [Abstract] |  |  |
Due in 2012 | 52 |  |
Due in 2013 | 45 |  |
Due in 2014 | 54 |  |
Due in 2015 | 45 |  |
Due in 2016 | 206 |  |
Due after 2016 | 157 |  |
Revolving credit facilities [Abstract] |  |  |
Expiration date of facility | August 2016 |  |
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 |  |
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 |  |
Total remaining capacity available for borrowing | 283 |  |
Revolving Credit Loans [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 173 | 108 |
Effective interest rate (in hundredths) | 1.29% | 0.64% |
Long-term Debt Maturities [Abstract] |  |  |
Due in 2016 | 161 |  |
Revolving credit facilities [Abstract] |  |  |
Number of commercial banks | 7 |  |
Maximum borrowing capacity | 355 |  |
Expiration date of facility | August 2016 |  |
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 |  |
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 |  |
Outstanding letters of credit | 19 |  |
Total remaining capacity available for borrowing | 163 |  |
Term Loan 6.90% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 100 | 100 |
Stated interest rate (in hundredths) | 6.90% | 6.90% |
Term Loan 5.53% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 42 | 50 |
Stated interest rate (in hundredths) | 5.53% | 5.53% |
Term Loan 5.55% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 50 | 50 |
Stated interest rate (in hundredths) | 5.55% | 5.55% |
Term Loan 5.56% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 25 | 25 |
Stated interest rate (in hundredths) | 5.56% | 5.56% |
Term Loan 4.10% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 4 | 12 |
Stated interest rate (in hundredths) | 4.10% | 4.10% |
Term Loan 6.20% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 10 | 11 |
Stated interest rate (in hundredths) | 6.20% | 6.20% |
Description of collateral | secured by Deere Valley Center | secured by Deere Valley Center |
Term Loan 5.50% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 6 | 6 |
Stated interest rate (in hundredths) | 5.50% | 5.50% |
Description of collateral | secured by Little Cottonwood Center | secured by Little Cottonwood Center |
Prudential facility [Member] |  |  |
Revolving credit facilities [Abstract] |  |  |
Term of facility (in years) | 3Y |  |
Maximum borrowing capacity | 400 |  |
Expiration date of facility | April 19, 2012 |  |
Interest rate description | borrowings under the shelf facility bear interest at rates that are determined at the time of the borrowing |  |
Covenant terms | restrictive covenants that are substantially the same as the covenants contained in the revolving senior credit facilities |  |
Total remaining capacity available for borrowing | 120 |  |
A&B (Parent Company) [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 342 | 338 |
Less current portion | (34) | (108) |
Long-term debt | 308 | 230 |
Long-term Debt Maturities [Abstract] |  |  |
Due in 2012 | 34 |  |
Due in 2013 | 26 |  |
Due in 2014 | 39 |  |
Due in 2015 | 33 |  |
Due in 2016 | 140 |  |
Due after 2016 | 70 |  |
A&B (Parent Company) [Member] | Secured Debt [Member] |  |  |
Secured term debt [Abstract] |  |  |
Ownership percentage of Phoenix office building (in hundredths) | 25.00% |  |
Number of subsidiaries that own the property jointly and severally | 3 |  |
A&B (Parent Company) [Member] | Revolving Credit Loans [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 113 | 93 |
Effective interest rate (in hundredths) | 1.24% | 0.57% |
Revolving credit facilities [Abstract] |  |  |
Maximum borrowing capacity | 230 |  |
Expiration date of facility | August 2016 |  |
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 |  |
Covenant terms | 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 |  |
Outstanding letters of credit | 11 |  |
Total remaining capacity available for borrowing | 106 |  |
A&B (Parent Company) [Member] | Term Loan 6.90% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 100 | 100 |
Stated interest rate (in hundredths) | 6.90% | 6.90% |
Maturity date | 2020 | 2020 |
A&B (Parent Company) [Member] | Term Loan 5.53% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 42 | 50 |
Stated interest rate (in hundredths) | 5.53% | 5.53% |
Maturity date | 2016 | 2016 |
A&B (Parent Company) [Member] | Term Loan 5.55% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 50 | 50 |
Stated interest rate (in hundredths) | 5.55% | 5.55% |
Maturity date | 2017 | 2017 |
A&B (Parent Company) [Member] | Term Loan 5.56% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 25 | 25 |
Stated interest rate (in hundredths) | 5.56% | 5.56% |
Maturity date | 2016 | 2016 |
A&B (Parent Company) [Member] | Term Loan 4.10% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 4 | 12 |
Stated interest rate (in hundredths) | 4.10% | 4.10% |
Maturity date | 2012 | 2012 |
A&B (Parent Company) [Member] | Term Loan 6.20% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 2 | 2 |
Stated interest rate (in hundredths) | 6.20% | 6.20% |
Maturity date | 2013 | 2013 |
Description of collateral | secured by Deere Valley Center | secured by Deere Valley Center |
A&B (Parent Company) [Member] | Term Loan 5.50% [Member] |  |  |
Long-term debt [Abstract] |  |  |
Total debt | 6 | 6 |
Stated interest rate (in hundredths) | 5.50% | 5.50% |
Maturity date | 2014 | 2014 |
Description of collateral | secured by Little Cottonwood Center | secured by Little Cottonwood Center |
A&B (Parent Company) [Member] | Prudential facility [Member] |  |  |
Revolving credit facilities [Abstract] |  |  |
Term of facility (in years) | 3Y |  |
Maximum borrowing capacity | 400 |  |
Expiration date of facility | April 19, 2012 |  |
Interest rate description | borrowings under the shelf facility bear interest at rates that are determined at the time of the borrowing |  |
Total remaining capacity available for borrowing | 120 |  |
Matson (Subsidiary) [Member] |  |  |
Dividends from Subsidiaries [Abstract] |  |  |
Cash dividends received | 60 | 45 | 60
Matson (Subsidiary) [Member] | Revolving Credit Loans [Member] |  |  |
Revolving credit facilities [Abstract] |  |  |
Maximum borrowing capacity | $ 125 |  |

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- Definition Amount of long-term debt maturing in year four following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b -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 FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt maturing in year three following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b -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 FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt maturing in year two following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b -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 FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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